Contents. Features. Functions. Parameters. Accessories. Selection

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2 NOARK Electric (Shanghai) Co., Ltd, as a subsidiary of CHINT Group (located in Shanghai with an area of approximately 391 acres), is committed to bring a high-end brand to low voltage electrical market. With over 45 million US dollar investment, NOARK Electric is equipped with the most up-to-date technologies and production facilities. A professional R&D team, comprised of more than 100 professors and doctors possessing some exclusive technologies patents such as modern simulation, has been working hard to achieve the intelligent low voltage distribution and control products line with high quality, performance and stability. The first generation Ex9 series of intelligent low voltage electrical products, incorporating the latest design, electronic and simulation technologies, reach the top industry expectations. This product series not only set multiple functions into ever smaller size, but also includes data acquisition, communications, and intelligent remote control modules, which reward Noark with up to 54 exclusive patents including invention, practical application and design. We firmly adhere to the concept of "best products derive from best raw materials ", which is also the principle of production. It is realized by cooperating with qualified suppliers with a very high selection standard. NOARK Electric is the first Chinese company in low voltage electrical industry implementing ISO/TS quality system. Besides complying with all compulsory domestic standards, full range of products is accredited by CB organization based on up-to-date IEC standards. Through a global marketing network, Noark has successfully contributed its efforts to provide complete solution and highlyefficient, highly-reliable,highly-intelligent and energy-saving low voltage products to some sophisticated industry areas, such as power, smart grid, renewable energy,petrochemical, machinery manufacturing, real estate and construction. We Believe, Remarkable technical innovations bring reliable products! Advanced technical ideas create intelligent electrical apparatus for the future! Contents Features Product Overview Product Advantages Standards and Certifications Operating Conditions Functions Parameters Ex9M Series Circuit Breaker for Power Distribution Protection Ex9M Series Circuit Breaker for Motor Protection Ex9M Switch Disconnector EX9MD Series DC Circuit Breaker Accessories Ex9ML Residual Current Protection Module Internal Accessories External Accessories Selection Ex9M Moulded Case Circuit Breaker Ex9M Moulded Case Circuit Breaker(Electronic type) Ex9MSD Switch Disconnector Ex9ML Residual Current Protection Module Accessories

3 Features Product Overview Thermal-magnetic type AC distribution protection DC distribution protection Electronic type AC distribution protection Motor protection. Motor protection Switch disconnector DC switch disconnector AC switch disconnector Residual current protection AC Residual current protection Several breaking capacities exist for each model of circuit breaker, meeting the demands for varying types of protection: Standard type - S and N Used in residential building, public buildings and industrial plants 150kA High-breaking capacity type - Q, R and H Used in industrial production line and key electric power equipment Current limiting type - V and P Used in heavy industry and special industry 36kA 50kA 120kA 100kA 85kA 70kA Ex9M5 Ex9M4 Ex9M3 Ex9M2 Ex9M1 S N Q R H V P For each Ex9M circuit breaker, several rated current levels are available. Model Ex9M1 Ex9M2 Ex9M3 Ex9M4 Ex9M5 Rated current (A) Ex9M1 is adjustable for thermal protection, range: I R =(0.8~1.0)I n Ex9M2 is adjustable for thermal and magnetic protection, range: I R =(0.8~1.0)I n,i i =(5~10)I n Ex9M3 Ex9M4 and Ex9M5 is the same as Ex9M2 01

4 Features Switch Disconnector A product equal to the size of the circuit breaker, commonly used in the connection and isolation between the power loads consumers and different busbars. 1000A [Primary distribution panel] 15-40kA 1600A 20-80kA Cannot cut off the short-circuit current, has no protective functions, and may be used in conjunction with the fuse. 160A [Secondary distribution panel] 15-25kA 400A [Secondary distribution panel] 160A:15-25kA 400A:20-80kA [Control cabinet] [Terminal [Control distribution panel] cabinet] [Control cabinet] 63A 10kA 63A 10kA 630A 25kA 40A 6kA Product Advantages Bearing type axis Patented technology M Building utilities Terminal power distribution for buildings M M M Continuous process control M Production facilities and individual equipment The innovative rotating shaft with bearing allows the circuit breaker to: * Smaller main tension spring force and mechanism friction force * Lower mechanism abrasion * A more quick and flexible mechanism action The innovative rotating shaft with bearing brings the user: * A type of high-performance circuit breaker with the smallest operational force Model Ex9M1 Ex9M2 Ex9M3 Ex9M4 Ex9M5 Operational force 3P 4P 3P 4P 3P 4P 3P 4P 3P 4P Closing force 44N 46N 55N 82N 80N 98N 110N 121N 110N 121N Opening force 24N 24N 39N 55N 77N 89N 98N 115N 98N 115N Re-tripping force 36N 38N 36N 54N 102N 115N 133N 148N 133N 148N A kind of durable, high-performance circuit breaker: * The user will be able to reduce the frequency and cost of changing the circuit breaker due to its longer endurance. Mechanical life (cycles) Electrical life (cycles) Ex9M1 standard* 4000 Ex9M standard* Ex9M2 standard* 2500 Ex9M3 standard* Ex9M4 standard* Ex9M5 standard* Ex9M standard* Ex9M standard* 1000 Ex9M4 standard* 500 Ex9M5 standard* 02

5 Features Snap action Patented technology The breaking speed of the circuit breaker is accelerated (breaking time within 2ms), and its breaking capacity and current capacity are improved by utilizing gas-flushing principle. There are several different breaking capacities for each model of the Ex9M circuit breaker. Therefore, users may choose the most optimal breaker as per their actual demands. The maximum breaking capacity of each model of Ex9M circuit breaker is up to 150 ka. Prospective peak value Actual peak value Limited let-through current U-Type repulsive electrical circuit, intensifies the repulsion forces and creates a fast-contact opening. Force F2 Energy after current-limiting Prospective short circuit current Upper fixed contact Force F1 Lower fixed contact Gas-Flushing Principle When the circuit breaker breaks the short circuit current, large quantities of high-temperature and high-pressure gas will be generated. A special gas flow path is designed for the Ex9M breaker, which will lead gas being generated to the fast-actuating mechanism. The auxiliary mechanism is activated by the gas pressure, and the entire breaking time may be controlled within 2 ms. Consequently, the damages caused by the short circuit current to the electric components and the busbar are greatly decreased. Current-limiting capacity Current limiting means the limiting increase of the short circuit current in a circuit. In a circuit protected by the Ex9M product series, both the peak value and energy I 2 t of the short circuit current generated are far less than expected. U-Type fixed contact design The pre-breaking technique may be realised by means of a unique U-Type fixed contact. The pre-breaking technique refers to that of the electrodynamic force generated through the U-Type fixed contact and that which occurs on moving contact are mutually repulsed when the short circuit current flows through acontact system. The higher the short circuit current, the bigger the repulsive electrodynamic forces they generate simultaneously. Prior to releasing, the electrodynamic repulsive forces may separate the moving contact from the fixed contact, and the equivalent resistance between these two contacts is increased by stretching the electrical arc. AX AL Double break design The current-limiting function of the pre-breaking technique is enhanced because of an increase in instantaneous arc resistance and arc voltage and a fast drop in the current increase rate. Reduces the damage and loss of equipment and the power lines caused by a short circuit current, improves the safety, and cuts down on the cost of a secondary protection device. AX Modularized design Circuit breakers: For circuit breakers within the same frame, without reference to the size of the breaking capacity and rated current, the dimension is the same. Accessories: Users may select accessories as per their demands and expand the functions of the circuit breakers. 03

6 Features NO Designation 1 Auxiliary alarm contact AX(AL) 2 Under-voltage release UVT 3 Shunt release SHT 4 Interface barrier PHS 5 Residual current protection module Ex9ML 6 Electronic release SU20 7 Thermo-(magnetic) release TM(M) 8 Terminal shield TCV 9 Manual operating mechanism ERH/RHD 10 Motor mechanism MOD 11 Plug-in base PIA 12 Drawout base DOB Advanced magnetic field analysisz For a circuit breaker, the distribution of the magnetic field in its contact system has a direct impact on its performance, but the magnetic field is not visible. Distribution of magnetic field between contacts The Ex9M is designed by combining the overall simulation technique with several tests which enables a rational distribution of the magnetic field and endows a circuit breaker with excellent performance capabilities: L N e e e e i i Arc is pushed into the arc-quenching chamber due to the magnet effect. Moving contact Fixed contact Magnetic-blow quenching principle Ensuring that a strong electrodynamic repulsion force will be generated as soon as a short-circuit occurs. Ensuring that the electrical arc can be blown into the arcing chamber instantly. Ensuring that there will be sufficient pressure between the moving contact and the fixed one when the circuit breaker functions normally and the contact resistance between the two contacts is sufficiently low. 04

7 Features Optimized dimensions Zero flashover For easier installation and more space-saving capabilities, the volume of the Ex9M circuit breaker is designed and manufactured in a compact size and light weight, while its excellent performance is maintained. Zero flashover Zero flashover Zero flashover A kind of delicate & compact moulded case circuit breaker - Ex9M1 (125 A) Size: 140 mm 90 mm 79 mm (L W H) Even for higher current levels, Ex9M maintains its advantage of small size. Additionally, the required mounting space is further reduced effectively due to its innovative zero flashover design. Several ways for mounting and the introduction of incoming lines allow for better mounting by adapting to different installation practices. ON LINE LOAD ON OFF OFF OFF ON LINE ON LINE ON OFF OFF LOAD OFF LOAD ON LOAD LINE Mounting direction Power supply from the top or bottom Environmentally-friendly Design/Manufacturing The Ex9M does not contain any noxious or hazardous substances, and its manufacturing and processing processes are performed in accordance with the requirements of the ISO Operation Low temperature rise, low power consumption, and minor influences to the surrounding environment during operation. Distribution Environmentally-protective materials are used in the course of distribution. Recycling Over 80% of its component materials can be recycled and reused at the end of its service life. 05

8 Features Standards and Certifications s International standards Product standards IEC (General provisions) IEC (Circuit breakers) IEC (Switches, isolation) IEC (Motor starters) Extreme environmental test standards IEC (Low temperature) IEC (Dry heat) IEC (Salty mist test) IEC (Moist heat) Operating Conditions Temperature May be used in temperatures from -25 o c ~ +70 o c. If the necessary working temperature is below -5 o c or above+40 o c, use it according to those specified in the table of temperature compensation coefficient or please contact us for additional information Altitude Normally, the altitude above sea level at its installation site should not exceed 2,000 m. If having to install at an altitude above 2,000 m, use it according to those specified in the table of altitude-derating factors or please contact us if you have any questions and / or concerns. Humidity The following conditions must be met during normal operation: If the ambient air temperature is +40 o c, the atmospheric relative humiditycan not exceed 50%. If the temperature is lower, use it under the conditions for a higher degree of humidity. The monthly mean relative humidity needs to be below 90% in the dampest month. The effects of condensation on the product surface impacts its performance and needs to be taken into consideration. Every product has been tested by strictly following the requirements given by IEC Pollution Level Level 3 06

9 Functions For protection of general power distribution thermal-magnetic Electronic I R xin I i xin TM A/40 Main Functions Code Models Main Functions SU20S SU20SM SU20C SU20CM Basic electronic distribution protection Basic electronic motor protection Advanced electronic distribution protection Advanced electronic motor protection I R I i long-time overload protection, short time short circuit protection, instantaneous short time protection, neutrol pole protection for 4P MCCBs only, failure recording, self-monitoring, current measurement, bilingual display protection, short time thort circuit protection, instantaneous short time protection, neutrol pole protection for 4P MCCBs only, failure recording, selfmonitoring, current measurement,bilingual bilingual display zone interlocking,thermal memory,frequency measurement, harmonic measurement Overload protection Set current value I R =( ) In±15% Short-circuit protection (Ex9M1 not adjustable) Set current value Ii=( ) In±15% Instantaneous ti 50ms N-pole protection Ex9M1 M2 M3 M4 M5 No protection I R/2protection I Rprotection Protective operating characteristics No. Test current I/In Release time Initial state Conventional >1h(In 63A) 1 non-releasing 1.05 Cold state current >2h(In>63A) 2 Conventional releasing current 1.3 1h(In 63A) 2h(In>63A) The LED indicator instructions After test 1 Ready, Its stable blink indicates normal working status.it turns off in case of failure Alarm, It turns on when the actual current >= 90% I R It turns off when the actual current <105% I R Overload It turns on when the actual current >=105% I R It turns off when the actual current <105% I R Protection For motor protection For protection of general power distribution Magnetic Selective protection Cascade protection Communication port I i xin M A Short-circuit protection Set current value Instantaneous LED Indicator Noark LCD Ii=( ) In±15% ti 50ms navigation key Motor protection Thermal relay + contactor overload protection + switching Circuit breaker short circuit protection Circuit breaker with magnetic protection Isolation Short-circuit protection Contactor Power on/power off Overload protection executed Stand-alone thermal relay Overload protection Selective protection refers to the circuit breaker (D2) closest to the fault breaks off and the circuit breaker (D1) upstream doesn t actuate, ensuring that the circuit breaker (D3) on a normal branch of the circuit makes and supplies power. Selective protection enables the effective limit on the influence range of a fault. A cascade connection is the direction application of the current-limiting capacity of a circuit breaker. The downstream circuit breaker, under protection by the upstream circuit breaker,may break off the shortcircuit current which is out of its breaking capacity. Users can select low-cost downstream circuit breakers. M I e For short-circuit protection of the motor, the set value should be higher than the starting current to avoid false releasing at the start of the motor. Motor rated working current I 1 Relay releasing current, function L I a Motor return current curve I p Short-time starting peak current T a Motor starting duration T p Typical motor starting curve M Typical motor starting curve 07

10 Parameter Ex9M Series Circuit Breaker for Power Distribution Protection Ex9M1 Ex9M2 For protection of general power distribution Number of poles 2P/3P/4P 2P/3P/4P Rated frame current (A) Electric performance Working frequency(hz) 50/60 50/60 Rated operational voltage(v) U e 380/400/415/660/ /400/415/660/690 Rated current (A) I n +40 o c Rated insulation voltage (V) U i Rated impulse withstand voltage (kv) U imp 8 8 Type of breaking S N Q R H V P S N Q R H V P Ultimate breaking I cu 380/400/415V capacity (ka) 660/690/720V Service breaking I cs 415V 100% 100% capacity (% I cu ) 690V 100% 100% Isolation function Utilization category A A Service life (C-O cycle) Protection Magnetic Mechanical Electrical 415V Actual mean value Test value Actual mean value Test value Long-time delay Short-time delay Instantaneous 12 I n ( ) I n Thermomagnetic Long-time delay ( ) I n ( ) I n Instantaneous 10 I n ( ) I n Electronic SU20S Basic type SU20C Advanced type Residual current protection Control and indication Control mode Manual Long-time delay (0.4~1.0) I n Short-time delay (1.5~10) I r Instantaneous (1.5~12) I n RCD1(0.03A-0.1A-0.3A-1A Adjustable;RCD2(0.05A-0.2A-0.5A-2A Adjustable) Direct (RHD) Extended(ERH) Motor mechanism(mod) Shunt release (SHT) Under-voltage release (UVT) Auxiliary contact (AX) Alarm contact (AL) Connection and installation Degree of protection All sides IP40 IP40 Wiring terminal IP20 IP20 Wiring assembly Front/Rear Front/Rear Wiring Plug-in base(pia) Draw-out base(dob) Terminal shield (TCV) Front Rear Key lock (KLK) ON/OFF position ON/OFF position Phase board (PHS) Mechanical interlock(mit) External dimensions (mm) W H D a(2*/3/4) 62/90/120 70/105/140 b c P Weight (kg) 3P P Standard Optional No * only Ex9M1,Ex9M2 have 2P. Note1:Rated current of electronic MCCB, rated current of electronic Ex9M2 is 250A, 160A, 100A, 63A and 32A. 08

11 Ex9M3 Ex9M4 Ex9M5 3P/4P 3P/4P 3P/4P /60 50/60 50/60 380/400/415/660/ /400/415/660/ /400/415/660/ S N Q R H V P S N Q R H V P S N Q R H V P % 100% 100% 100% 100% 100% A A A ( ) I n ( ) I n ( ) I n ( ) I n ( ) I n ( ) I n ( ) I n ( ) I n ( ) I n (0.4~1.0) I n (0.4~1.0) I n (0.4~1.0) I n (1.5~10) I r (1.5~10) I r (1.5~10) I r (1.5~12) I n (1.5~12) I n (1.5~12) I n RCD3(0.05A-0.2A-0.5A-1A Adjustable;RCD4(0.1A-0.3A-1A-2A Adjustable) IP40 IP40 IP40 IP20 IP20 IP20 Front/Rear Front/Rear Front/Rear ON/OFF position ON/OFF position ON/OFF position 140/ / /

12 Parameter Ex9M Series Circuit Breaker for motor protection Ex9M1M Ex9M2M For motor protection Number of poles 2P/3P/4P 2P/3P/4P Rated frame current (A) Electric performance Working frequency(hz) 50/60 50/60 Rated operational voltage (V) U e 380/400/415/660/ /400/415/660/690 Rated current (A) I n Rated insulation voltage (V) U i Rated impulse withstand voltage (kv) U imp 8 8 Type of breaking S N Q R H V P S N Q R H V P 380/400/415V Ultimate breaking capacity (ka) I cu 660/690/720V Service breaking 415V 100% 100% capacity (% Icu) I cs 690V 100% 100% Isolation function Utilization category A A Service life (C-O cycle) Protection Magnetic Mechanical Actual mean value Test value Electrical Actual mean value Test value SU20S Basic type Electronic SU20C advanced type Residual current protection Control and indication Control mode Manual Long-time delay Short-time delay Instantaneous 12 I n ( ) I n Long-time delay Instantaneous (1.5~14) I n RCD1(0.03A-0.1A-0.3A-1A Adjustable;RCD2(0.05A-0.2A-0.5A-2A Adjustable) Direct(RHD) Extended(ERH) Motor mechanism(mod) Shunt release(sht) Under-voltage release(uvt) Auxiliary contact(ax) Alarm contact(al) Connection and installation Degree of protection All sides IP40 IP40 Wiring terminal IP20 IP20 Wiring assembly Front/Rear Front/Rear Wiring Plug-in base(pia) Draw-out base(dob) Terminal shield(tcv) Front Rear Handle lock(klk) ON/OFF position ON/OFF position Phase board(phs) Mechanical interlock(mit) External dimensions (mm) W H D Weight (kg) Fixed before connection a(2*/3/4) 62/90/120 70/105/140 b c P P P * Yes Optional NO only Ex9M1,Ex9M2 have 2P. Note1:Rated current of electronic MCCB, rated current of electronic Ex9M2 is 250A, 160A, 100A, 63A and 32A. 10

13 Ex9M3M Ex9M4M Ex9M5M 3P/4P 3P/4P 3P/4P /60 50/60 50/60 380/400/415/660/ /400/415/660/ /400/415/660/ S N Q R H V P S N Q R H V P S N Q R H V P % 100% 100% 50% 100% 100% A A A ( ) I n ( ) I n ( ) I n (1.5~14) I n (1.5~14) I n (1.5~14) I n RCD3(0.05A-0.2A-0.5A-1A Adjustable;RCD4(0.1A-0.3A-1A-2A Adjustable) IP40 IP40 IP40 IP20 IP20 IP20 Front/Rear Front/Rear Front/Rear ON/OFF position ON/OFF position ON/OFF position 140/ / /

14 Parameter Ex9M Series Switch Disconnector Ex9M1SD Ex9M2SD Switch disconnector Number of poles 2P/3P/4P 2P/3P/4P Rated frame current (A) Electric performance Working frequency(hz) f 50/60 50/60 AC 380/400/415/660/ /400/415/660/690 Rated operational voltage (V)Ue DC 500/750/ /750/1000 Rated working current(a) In AC DC Rated insulation voltage(v) Ui Rated impulse withstand voltage U imp 8 8 Rated shorttime withstand current (A) (A) 1s s s Isolation function AC AC22A/AC23A AC22A/AC23A Load type DC DC22A/DC23A DC22A/DC23A Service life (C-O) Mechanical Electrical Control and indication Control mode Manual Actual mean value Test value Actual mean value Test value Direct(RHD) Extended(ERH) Motor mechanism(mod) Shunt release(sht) Under-voltage release(uvt) Auxiliary contact(ax) Alarm contact(al) Connection and installation Degree of protection All sides IP40 IP40 Wiring terminal IP20 IP20 Wiring assembly Front/Rear Front/Rear Wiring Plug-in base(pia) Draw-out base(dob) Terminal shield(tcv) Front Rear Handle lock(klk) ON/OFF position ON/OFF position Phase board(phs) Mechanical interlock(mit) External dimensions (mm) W H D Weight (Kg) (Fixed before connection) a(2*/3/4) 62/90/120 70/105/140 b c P P P Yes Optional No Only Ex9M1SD, Ex9M2SD have 2 P; 500V for 2 poles in series connection, 750V for 3 poles in series connection, * 1000V for 4 poles in series connection 12

15 Ex9M3SD Ex9M4SD Ex9M5SD 3P/4P 3P/4P 3P/4P /60 50/60 50/60 380/400/415/660/ /400/415/660/ /400/415/660/ / / / AC22A/AC23A AC22A/AC23A AC22A/AC23A DC22A/DC23A DC22A/DC23A DC22A/DC23A IP40 IP40 IP40 IP20 IP20 IP20 Front/Rear Front/Rear Front/Rear ON/OFF position ON/OFF position ON/OFF position 140/ / /

16 Parameter Ex9MD Series DC Circuit Breaker Ex9MD1 Ex9MD2 For PV system Number of poles 2P/3P/4P 2P/3P/4P Rated frame current (A) Electric performance Rated working voltage (V) U e 500/750/ /750/1000 Rated current (A) I n Rated insulation voltage (V) U i Rated impulse withstand voltage (kv) U imp 8 8 Type of breaking B S N Q R H B S N Q R H Ultimate breaking capacity (ka) I cu 1000V DC Service breaking capacity (% Icu) I cs 100% 100% Isolation function Utilization category A A Service life (C-O cycle) Protection Thermomagnetic Mechanical Electrical Control and indication Control mode Manual Actual mean value Test value Actual mean value Test value Long-time delay ( ) I n ( ) I n Short-time delay Instantaneous 10 I n ( ) I n Direct(RHD) Extended(ERH) Motor mechanism(mod) Shunt release(sht) Under-voltage release(uvt) Auxiliary contact(ax) Alarm contact(al) Connection and installation Degree of protection All sides IP40 IP40 Wiring terminal IP20 IP20 Wiring assembly Front/rear Front/rear Wiring Plug-in base(pia) Draw-out base(dob) Shorted row(dcb) Handle lock(klk) ON/OFF position ON/OFF position Phase board(phs) Mechanical interlock(mit) External dimensions (mm) W H D Weight (kg) (Fixed before connection) a(2*/3/4) 62/90/120 70/105/140 b c P P P * connection, 1000V for 4 poles in series connection YES Optional NO Only Ex9MD1 Ex9MD2 have 2 P; 500V for 2 poles in series connection, 750V for 3 poles in series 14

17 Ex9MD3 Ex9MD4 Ex9MD5 3P/4P 3P/4P 3P/4P / / / B S N Q R H B S N Q R H B S N Q R H % 100% 100% A A A ( ) I n ( ) I n ( ) I n ( ) I n ( ) I n ( ) I n IP40 IP40 IP40 IP20 IP20 IP20 Front/rear Front/rear Front/rear ON/OFF position ON/OFF position ON/OFFposition 140/ / /

18 Accessories Ex9ML Residual Current Protection Module Standards IEC/EN , Annex B; IEC and IEC1-2~5,protection of over-voltage, lightning, electrostatic discharge and RFI interference POWER I n(a) t(s):0/0.06/0.2/ t(s) Power indicator Setting of Residual current Time setting of delayed trip Models Residual Current Time setting Ex9ML1 Ex9ML2 Ex9ML (A) (A) (A) (A) (A) Delayed (s) maximum non-acting time t(s):0/0.06/0.2/0.5(s) Note:Instantaneous trip under condition of residual current is set on 0.03A,0.1s. Alarm Contact (AL) Accessory Alarm Contact (AL) can be used together to make additional functions, which are either alarming without trip or alarming with trip. Note: This accessory shall be assembled by Noark 16

19 Accessories Internal Accessories Auxiliary contact(ax) Function Indication for the status of a circuit breaker (e.g. opening,closing) Type 1NO, 1NC 3 Shunt release(sht) Function To control releasing of a circuit breaker remotely Type of power supply AC 400V AC 230V AC 110V AC 48V DC 220V DC 110V DC 48V DC 24V Alarm contact(al) Function 2 4 To send an alarm signal when the circuit breaker is released Type 1 NO, 1 NC Under-voltage release (UVT) Function Under-voltage protection Type of power supply AC 400V AC 230V 17

20 Accessories External Accessories Direct rotary handle (DRH) Degree of protection : IP40,IK07 The following functions can be ensured if a direct rotary handle is attached Reliable insulation Suitable for isolation function Free-releasing of a circuit breaker Indicator for three positions: ON/OFF/TRIP Not affecting the operations of release and Release test button by users Padlock The users may mount the padlock in the ON or OFF position (additional, diameter 5-8 mm) The number of padlocks for each position is 1-3 A handle lock is used to lock the circuit breaker in the ON or OFF position Extended rotary handle (ERH) Degree of protection: IP56, IK08 If extended rotary handle mounted, operation of the circuit beakers could be realised outside the panel and the following function also could be realised Reliable insulation Suitable for isolation function Free-releasing of a circuit breaker Indicator for three positions: ON/OFF/TRIP When opening the door of the switch cabinet, tamper with the release and Release test button by users, ensuring that the circuit breaker does not turn on unnecessarily. LOCK The users may mount the padlock in the ON or OFF position (provided by themselves, diameter 5-8 mm) The number of padlocks for each position is 1-3 The attachment of a padlock will prevent the cabinet door from being opened A handle lock is used to lock the circuit breaker in the ON or OFF position 18

21 Accessories Motor mechanism(mod) Degree of protection: IP40 Functions Control the opening and closing of the circuit breaker through the button Accumulation of energy by the motor or the manual operating handle. With energy storage, opening & closing, and operational time indicators. Interface barrier (PHS) To improve the safety & insulation performance at the connection. Mechanical interlock (MIT) Used on a dual-circuit power system, ensuring the circuit breakers on both circuits will not close at the same time. Front installation. 19

22 Selection Ex9M Moulded Case Circuit Breaker Ex9M 1 S TM AC 125 3P Product Code Rated Frame Current Code Breaking Capacity Code Tripping device code AC/DC Code Rated Current (A) Poles Ex9M:AC Protection Ex9MD:DC Protection 1:125A 2:250A B:25kA (DC) S:36kA TM: Thermomagnetic, for protection of general power distribution AC: Alternating current DC:Direct current 125, 100, 80, 63, 50, 40, 32, 25, 20, , 225, 200, 180, 160, 125 2P 3P 1 3:400A N:50kA M: Magnetic type, for motor protection 400,350, 315,250 4P4T: Neutral protected, on-and -off 12 4:630A Q:70kA 630,500,400 4P4I: Neutral protected, without on-and -off 12 5:800A R:85kA 800,700,630 4P4U: Neutral unprotected, on-and -off 12 H:100kA 4P4N: Neutral unprotected, without on-and -off 12 V:120kA P:150kA (AC) Example: Ex9M1 S TM DC 125 3P : means AC Moulded Case Circuit Breaker of the Ex9M series, frame current 125A, breaking capacity 36kA, 3 poles, rated current 125A with thermal-magnetic distribution protection trip unit. Note 1:2P only for Ex9M1, Ex9M2, Ex9MD1, Ex9MD2 12 :Special Product Please contact NOARK before placing an order 20

23 Selection Ex9M Moulded Case Circuit Breaker(Electronic type) Ex9M 2 S SU20S AC 250 3P Product Code Rated Frame Current Code Breaking Capacity Code Tripping device code AC/DC Code Rated Current (A) Poles Ex9M: AC Protection 2:250A S:36kA SU20S: Basic electronic distribution protection AC: alternating current 250,160,100, 63,32 3P 3:400A N:50kA SU20C: Advanced electronic distribution protection P4T: Neutral protected, on-and -off 1 4:630A Q:70kA SU20SM: Basic electronic motor protection 630 4P4I: Neutral protected, without on-and -off 1 5:800A R:85kA SU20CM: Advanced electronic motor protection P4U: Neutral unprotected, on-and -off 1 H:100kA 4P4N: Neutral unprotected, without on-and -off 1 V:120kA P:150kA Example: Ex9M2S SU20S AC250 3P:Ex9M series MCCB, frame current 250A, breaking capacity 36kA, 3 poles, rated current 250A, with basic electronic distributon proctection trip unit Notes:COM21 communication module is needed to realize the communication between the Ex9M electronic circuit breaker and the upper computer, which could also realize the remote signal, remote adjustment and measurement. MOD motor mechanism is needed to realize the function of remote control. 21

24 Selection Ex9MSD Switch disconnector Ex9M 1 SD AC 3P Product Code Rated Frame Current Code Breaking Capacity AC/DC Code Poles 1:125A SD: Switch disconnector AC: alternating current 2P 2:250A DC: direct current 3P 3:400A 4P 4:630A 5:800A Example: Ex9M1SD DC 3P:means an Ex9MSD Switch disconnector,frame current 125A,DC,3 poles. 22

25 Selection Ex9ML Residual Current Protection Module Ex9ML 1 AC 125 3P A RCD1 Product Code Rated Frame Current Code AC/DC Code Rated Current (A) Poles Residual Current Type Code Ra t e d Re s i d u a l Operating Product Code Current Code Ex9ML:Residual Current Protection Module 1:125A AC: alternating current 125,100,80,63, 50,40,32,25,20, 16 3P None: AC type RCD1: 0.03A-0.1A-0.3A-1A (Only to 9ML1, 9ML2) 2:250A 250,225,200, 180,160,125 4P A: A type RCD2:0.05A-0.2A-0.5A-2A (Only to 9ML1, 9ML2) 3:400A 400,350, 315,250 RCD3:0.05A-0.2A-0.5A-1A (Only to 9ML3) RCD4:0.1A-0.3A-1A-2A (Only to 9ML3) Example: Ex9ML1 AC125 3P RCD1 stands for Ex9ML series AC Residual Current Protection Module, frame current 125A,3 poles,rated current 125A,and four adjustable grades of rated residual operating current: 0.05A-0.2A-0.5A-2A. Notes:The series standard delay time: four adjustable grades: 0.1S-0.3S-0.5S-1S. ELCB: For any order including Moulded Case Circuit Breaker and Residual Current Protection Module, it is approved to abbreviated two SKU codes as one SKU code. E.g.: The SKU codes of a Ex9M1 moulded case circuit breaker, 125A, 36KA, 3 poles, with thermal release, with leakage protection of four adjusted grades: 0.03A-0.1A-0.3A-1A are:ex9m1 S TM AC 125 3P and Ex9ML1 AC125 3P RCD1,can be abbreviated as Ex9M1 S TM AC125 3P RCD1. 23

26 Selection Ex9M Series Products Accessories voltage AC24V AC48V AC110VA C220V AC230V AC240V AC380V AC400V AC415V AC660V AC690V AC24V DC48V DC110V DC120V DC220V SHT 22 AC110V 3P OTHER Accessories code Details refer to the following list Rated Frame Current Code Details as per attached list Voltage None for no working voltage Poles None 3P 4P Special request code None Special request code Selection example: SHT 22 AC110V:shunt release for 9M2, with control voltage of AC110V RHD 23:direct rotary handle for 9M3 Accessories Name Specification 9M1 9M2 9M3 9M4 9M5 Auxiliary contact AX AX21 Alarm contact AL AL21 Shunt release SHT SHT21 SHT22 Under-voltage release UVT UVT21 UVT22 Direct rotary handle RHD RHD21 SHT21 RHD23 RHD24 Extended rotary handle ERH ERH21 ERH22 ERH23 ERH24 Motor mechanism MOD MOD21 MOD22 MOD23 MOD24 Handle lock KLK KLK21 KLK22 KLK23 KLK24 Mechanical interlock MIT MIT21 MIT22 MIT23 MIT24 Terminal shield TCV TCV21 TCV22 TCV23 TCV24 Extended terminal shield TCE TCE21 TCE22 TCE23 TCE24 Rear connection plate RCP RCP21 RCP22 RCP23 RCP24 RCP25 Draw-out base DOB DOB23 DOB24 DOB25 Plug-in base PIA PIA21 PIA22 PIA23 Din-rail adaptor DRA DRA21 DRA22 Front panel escutcheon CDP CDP21 CDP22 CDP23 CDP24 Communication module COM COM21(Used for 9M electronic type) Battery module BAB BAB21(Used for 9M electronic type) YES Optional NO 24

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