Motor Starters. Star-Delta Starters Open Type 86. Star-Delta Starters Enclosed 88 Enclosure for Star-Delta Starters 88.
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1 Motor Starters Star-Delta Starters Open Type 86 Star-Delta Starters Enclosed 88 Enclosure for Star-Delta Starters 88 Accessories 89 Reversing Contactors 90 Pole Changing Starters 92 Technical Data 94 Wiring Diagrams 97 Dimensions 101 D946E 85
2 Star-Delta Starters Open Type AC Operated Ratings Rated order separately Type Coil voltage 1) AC3 Current V 50Hz 380V V 50Hz 400V 660V AC3 Overload Relay 415V 500V 690V 400V Pack Weight kw kw kw A Type pcs. kg/pc. 7,5 7, U3/32 K3NY ,9 U12/16E K , K3NY , U3/42 K3Y , K3Y , U3/74 K3Y , K3Y , U85 K3Y , K3Y U180 K3Y K3Y Thermal Overload Relays Star-delta starters are wired to accept thermal overload relay. The thermal overload relay has to be ordered separately. For full load current setting use the YD-dial of thermal overload relay. Ordering Example: Star-Delta Starter, open type, rated AC3 at 400V 205A rated control voltage 230V 50Hz - Order Type: K3Y U Rated Motor Current Type Pack Weight A pcs. kg/pc. Wiring Diagram For Star-Delta Starters K3NY15.. to K3Y ,5 U12/16E 6 K3 1 0,10 10,5-15,5 U12/16E 9 K3 1 0, U12/16E 11 K3 1 0, U12/16E 14 K3 1 0, U12/16E 18 K3 1 0,10 For Star-Delta Starters K3NY15.. to K3Y52.. manual eset 7-10,5 U3/ ,14 10,5-15,5 U3/ , U3/ , U3/ , U3/ , U3/ , U3/ ,14 manual and auto reset For Star-Delta Starters K3Y40.., K3Y U3/ , U3/ , U3/ ,30 1) Coil voltage range and other coil voltages see page 94 manual and auto reset 86 D946E
3 Components for Combinations Auxiliary Contacts Free Space for Line Delta Star Electronic Mechanical Star-Delta Built-in for use Aux. Contact Blocks Contactor Contactor Contactor Timer Interlock Starter on Contactor on Contactor between Connector Line Delta Star Line Delta Star K1 K2 K3 K4 K2 and K3 K1 K2 K3 K1 K2 K3 Type Type Type Type Type Type NO/NCNO/NCNO/NC HN.. or HA.. K3-10ND01 K3-10ND01 K3-10ND10 Y9A LG10889 K3NY-VB HN10 + HN10 + HN01 K3-18ND01 K3-18ND01 K3-14ND10 Y9A LG10889 K3NY-VB HN10 + HN10 + HN01 K3-24A00 K3-24A00 K3-24A00 Y9A LG10889 K3Y-VB HN10 + HN01 + HN01 + 2HN10 + HN01 K3-32A00 K3-32A00 K3-24A00 Y9A LG10889 K3Y-VB HN10 + HN01 + HN01 + 2HN10 + HN01 K3-50A00 K3-50A00 K3-32A00 Y9A LG HN01 + HN10 + HN01 + 2HN10 + HN01 K3-62A00 K3-62A00 K3-50A00 Y9A LG HN01 + HN10 + HN01 + 2HN10 + HN01 K3-90A00 K3-90A00 K3-90A00 Y9AL LG HN01 + HN10 + HN01 + 2HN10 + HN01 K3-115A00 K3-115A00 K3-90A00 Y9AL LG HN01 + HN10 + HN01 + 2HN10 + HN01 K3-151A00 K3-151A00 K3-151A00 Y9AL LG11223H - - 1/- -/ HKT11 + HKT11 + HKT22 K3-176A00 K3-176A00 K3-151A00 Y9AL LG11223H - - 1/- -/ HKT11 + HKT11 + HKT22 Applications The star-delta starting method is only practicable in such cases where the motor windings are connected in delta configuration for normal operation and the torque which is needed during the starting period is not higher than approx. 30% of the rated torque. The starting current drawn from the line will be approx. 2 to 2,7 times the rated motor current. Time setting The transition from start (star configuration) to normal operation (delta configuration) should be after the motor achieves practically full rotational speed. The use of star-delta timer Y9A with a dwell period of approx. 25ms provides a careful operation of motor and drive equipment. Thermal Overload Relays Rated Motor Current Type Pack Weight A pcs. kg/pc. Wiring Diagram For Star-Delta Starters K3Y80.., K3Y U3/ , U3/ , U3/ , U3/ ,40 manual and auto reset For Star-Delta Starters K3Y140.., K3Y U , U ,90 manual eset For Star-Delta Starters K3Y240.., K3Y U ,5 manual and auto reset D946E 87
4 Star-Delta Starters Enclosed Type AC Operated Ratings Rated Optional Wired Type Coil voltage 1) AC3 Current Extras to accept V 50Hz 380V Overload V 50Hz 400V 660V AC3 Relay 415V 500V 690V 400V Pack Weight kw kw kw A Type pcs. kg/pc. Plastic Enclosed, protected to IP65 7,5 7, ST U3/32 K3NY15P , , ST K3NY26P , ST, H U3/42 K3Y40P , ST, H K3Y52P , ST, H U3/74 K3Y80P , ST, H K3Y100P ,7 Sheet Steel Enclosed, protected to IP54 7,5 7, ST,H U3/32 K3NY15B , , ST, H K3NY26B , ST, H U3/42 K3Y40B , ST, H K3Y52B , ST, H U3/74 K3Y80B ST, H K3Y100B ST, H U85 K3Y140B Enclosures for Star Delta Starter ST, H K3Y200B ) Coil voltage range and other coil voltages see page 94 Type-suffix for optional extras Start-Stop Push Buttons T... Selector Switch W... Typical wiring diagrams see page 98 Control Circuit Fuse <250V (1 piece) st... >250V (2 pieces) st... Run Hour Meter H... Ordering Example: Star-Delta Starter, steel sheet enclosed, with selector switch and run hour meter rated AC3 at 400V 82A, rated control voltage 230V 50Hz - Order Type: K3Y80BWH U3/74 52 accept Type Pack Weight for Starter Overload Relay pcs. kg/pc. Plastic IP65 K3NY15, K3NY26 U3/32 K3Y26P-G3 1 1,0 K3Y40, K3Y52 U3/42, U3/32 K3Y40/52P-G3 1 2,4 Sheet Steel IP54 K3NY15, K3NY26 U3/32 K3Y26B-G3 1 3,4 K3Y40, K3Y52 U3/42, U3/32 K3Y40/52B-G3 1 3,4 88 D946E
5 Star-Delta Starter Connector For Star-Delta Starter Types K3NY15, K3NY26 K3Y40, K3Y52 Type Pack Weight pcs. kg/pc. K3NY-VB10 1 0,02 K3Y-VB24 1 0,03 Additional Terminals For Star-Delta Starter Types Cable Type Pack Weight Line Conn. Motor Conn. cross-section Line Contactor Overload Relay mm² pcs. kg/pc. Single pole with Fingertouch Protection K3NY15, K3NY26 U12/16 0,75-10 solid LG ,009 0,75-6 flex. Three-pole with Fingertouch Protection U3/ strand. LG , flex. Electronic Timers for Star-Delta Starters 1) Rated Control Time Range Delay Time Rated Current AC15 Type Pack Weight Voltage 230V 400V V s ms A A pcs. kg/pc V AC Y9A , V AC Y9A , V~ Y9AL , V~ Y9AL ,075 Time repeat accuracy ± 1% Power consumption at 24V 0,2VA 60V 5VA Minimum interval between operations 2s V 2VA Short circuit protection 4A gl (gg) V 7VA Mounting Bar 1) not suitable for contactors K K Specification For screw mounting of electronic timer Y9.. Type Pack Weight pcs. kg/pc. LG ,09 Star-Delta Starters in Special Versions Starters for Longer Starting Time For longer starting times the thermal overload relay is mounted on delta-contactor. The motor is not protected in Y-connection. The timer used for this starter-type is the type Y91A, time range is 10 to 60s. Principal wiring diagram see page 98. Ordering Example: K3YL Starters with two Thermal Overload Relays on request Basic circuit diagram see page 98 D946E 89
6 Reversing Contactors with Mechanical Interlock AC Operated Ratings Rated Wired Type Coil voltage 1) AC3 Current to accept V 50Hz 380V Overload V 50Hz 400V 660V AC3 Relay Hz 415V 500V 690V 400V page 114 Pack Weight> kw kw kw A Type pcs. kg/pc. Open Type 4 5,5 5,5 10 U3/32 K3NWU ,6 U12/16E K3 7,5 10 7,5 18 K3NWU , U3/42 K3WU , ,5 18,5 32 K3WU , U3/74 K3WU , K3WU , K3WU ,5 Sheet Steel Enclosed, protected to IP54 4 5,5 5,5 10 U3/32 K3NWU10B ,9 7,5 10 7,5 18 K3NWU18B , U3/42 K3WU24B , ,5 18,5 32 K3WU32B , U3/74 K3WU50B , K3WU62B ,1 Reversing Starter Connector For Reversing Starter Types K3NWU10, K3NWU18 K3WU24, K3WU32 Type Pack Weight pcs. kg/pc. K3NW-VB10 1 0,02 K3W-VB24 1 0,025 1) Other coil voltages see page D946E
7 Components for Combinations Auxiliary Contacts Free Space for Left Hand Side Right Hand Side Mechanical Reversing Built-in for use Aux. Contact Blocks Contactor Contactor Interlock Starter on Contactor on Contactor Connector K1 K2 K1 K2 K1 K2 Type Type Type Type NO/NC NO/NC HN.. or HA.. K3-10ND10 K3-10ND10 LG10889 K3NW-VB HN01 + HN01 K3-18ND10 K3-18ND10 LG10889 K3NW-VB HN01 + HN01 K3-24A00 K3-24A00 LG10889 K3W-VB HN10 + HN01 + HN10 + HN01 K3-32A00 K3-32A00 LG10889 K3W-VB HN10 + HN01 + HN10 + HN01 K3-50A00 K3-50A00 LG HN10 + HN01 + HN10 + HN01 K3-62A00 K3-62A00 LG HN10 + HN01 + HN10 + HN01 K3-74A00 K3-74A00 LG HN10 + HN01 + HN10 + HN01 K3-10ND10 K3-10ND10 LG10889 K3NW-VB HN01 + HN01 K3-18ND10 K3-18ND10 LG10889 K3NW-VB HN01 + HN01 K3-24A00 K3-24A00 LG10889 K3W-VB HN10 + HN01 + HN10 + HN01 K3-32A00 K3-32A00 LG10889 K3W-VB HN10 + HN01 + HN10 + HN01 K3-50A00 K3-50A00 LG HN10 + HN01 + HN10 + HN01 K3-62A00 K3-62A00 LG HN10 + HN01 + HN10 + HN01 D946E 91
8 Reversing Contactors for North America AC Operated Ratings Rated Wired Type Coil voltage 1) AC3 Current to accept V 50Hz 380V Overload V 50Hz 400V 660V AC3 Relay 415V 500V 690V 400V page 114 Pack Weight> kw kw kw A Type pcs. kg/pc. Open Type 4 5,5 5,5 10 U3/32 KNW ,6 U12/16E K3 7, KNW , U3/42 KW , ,5 18,5 32 KW ,4 18,5 18,5 18,5 40 KW ,4 Pole Changing Starters AC Operated Ratings Rated Wired Type Coil voltage 1) AC3 at Current to accept V 50Hz 380V Overload V 50Hz 400V 660V AC3 Relay 415V 500V 690V 400V page 114 Pack Weight> kw kw kw A Type pcs. kg/pc. Open Type 7, x U3/32 K3NPU ,0 2 x U12/16E K K3NPU , ,5 18, x U3/32 K3PU , x U3/74 K3PU , K3PU ,9 Sheet Steel Enclosed, protected to IP54 7,5 10 7,5 18 2x U3/32 K3NPU18B , K3NPU24B , ,5 18,5 32 K3PU32B ,9 1) Other coil voltages see page 50 Ordering Example: Pole Changing Starter, open version, rated AC3 at 400V 28A and 15A, control voltage 230V 50Hz Order Type: K3PU U3/ U3/32 18 Pole Changing Starters for Star-Delta Operation on request 1) Other coil voltages see page D946E
9 Components for Combinations Auxiliary Contacts Free Space for Left Hand Side Right Hand Side Mechanical Built-in for use Aux. Contact Blocks Contactor Contactor Interlock on Contactor on Contactor K1 K2 K1 K2 K1 K2 Type Type Type NO/NC NO/NC HN.. or HA.. K3-10ND01 K3-10ND01 LG K3-18ND01 K3-18ND01 LG K3-24A00 K3-24A00 LG HN01 + HN01 K3-32A00 K3-32A00 LG HN01 + HN01 K3-40A00 K3-40A00 LG HN01 + HN01 Components for Combinations Free Space for High Low Star Aux. Contact Blocks on Contactor Speed Speed Contactor High Low Star Speed Speed K1 K2 K3 K1 K2 K3 Type Type Type HN.. or HA.. K3-18ND01 K3-18ND01 K3-14ND x HN10 + HN10 K3-24A00 K3-24A00 K3-18ND HN x HN10 + HN01 + HN10 K3-32A00 K3-32A00 K3-24A HN x HN10 + HN01 + HN10 + HN10 K3-50A00 K3-50A00 K3-32A HN x HN10 + HN01 + HN10 + HN10 K3-62A00 K3-62A00 K3-50A HN x HN10 + HN01 + HN10 + HN10 K3-18ND01 K3-18ND01 K3-14ND x HN10 + HN10 K3-24A00 K3-24A00 K3-18ND HN x HN10 + HN01 + HN10 K3-32A00 K3-32A00 K3-24A HN x HN10 + HN01 + HN10 + HN10 D946E 93
10 Star-Delta Starters Data according to IEC , VDE 0660, EN Type K3NY15 K3NY26 K3Y40 K3Y52 K3Y80 K3Y100 K3Y140 K3Y200 K3Y240 K3Y300 Main Contacts 1) Rated insulation voltage U i V AC Frequency of operations z AC3, I e 1/h 15 Change-over time max. (Y-step) s 20 (Type K3YL... 60) Utilization category AC3 Switching of three-phase motors Rated operational V A current I e 240V A V A V A V A V A Rated operational power V kw 4 7, of three-phase motors 240V kw 5, , Hz V kw 7, V kw 7, V kw 7,5 18, V kw Cable cross-sections Line solid or stranded mm² 1,5-6 2) 1, ) busbar flexible mm² 1,5-4 2) 1, ) x5 lexible with multicore cable end mm² 1,5-4 2) 1, M8 Motor solid or stranded mm² 1,5-6 1, ) busbar flexible mm² 1,5-4 1, ) x5 lexible with multicore cable end mm² 1,5-4 1, M8 Power consumption of the combination inrush and change-over VA sealed VA W Coil Voltage Ranges and Non Standard Voltages for Star-Delta Starters K3NY15.. to K3Y100.. Suffix to Rated Control Voltage U s Star-Delta Starter range for 50Hz range for 60Hz type min. max. min. max. e.g. K3Y V V V V K3Y140, to K3Y300.. Suffix to Rated Control Voltage U s Star-Delta Starter range for 50Hz range for 60Hz for DC type min. max. min. max. e.g. K3Y V V V V V Standard voltages in bold type letters 1) Suitable for: earthed-neutral systems, overvoltage category I to IV, pollution degree 3 (standard-industry): Uimp = 8kV. Data for other conditions on request. 2) Additional terminals see page 89 3) Maximum cable cross-section with prepared conductor 94 D946E
11 Reversing Starters Data according to IEC , VDE 0660, EN Type K3NWU10 K3NWU18 K3WU24 K3WU32 K3WU50 K3WU62 K3WU74 Main Contacts 1) Rated insulation voltage U i V AC Utilization category AC3 Switching of three-phase motors Rated operational current I e 220V A V A 11, V A V A V A V A V A 6,5 8, Rated operational power V kw ,5 12,5 18,5 of three-phase motors 240V kw , Hz V kw 4 7, V kw 4,5 8, V kw 5, , V kw 5, , Cable cross-sections Line solid or stranded mm² 0,75-6 1, flexible mm² 1-4 2, flexible with multicore cable end mm² 0,75-4 1, Cables per clamp Power consumption of the combination inrush and change-over VA sealed VA W 2,6-3 2,7-4 5,4-7 Technical Data according to UL508 Main Contacts (culus) Type KNW3-10 KNW3-18 KW3-24 KW3-32 KW3-40 Rated operational power V hp 1½ ½ of three-phase motors 200V hp 3 5 7½ at 60Hz (3ph) V hp 3 7½ V hp 3 7½ 7½ V hp V hp V hp 7½ Fuse / Short-circuit current A/kA 30/5 50/5 90/5 125/5 175/5 Rated voltage V Auxiliary Contacts (culus) A600 A600 A600 A600 A600 Cable cross-sections for main connectors solid AWG flexible AWG Cables per clamp 1 1 1) Suitable for: earthed-neutral systems, overvoltage category I to IV, pollution degree 3 (standard-industry): Uimp = 8kV. Data for other conditions on request. D946E 95
12 Pole Changing Starters Data according to IEC , VDE 0660, EN Type K3NPU18 K3NPU24 K3PU32 K3PU50 K3PU62 Main Contacts 1) Rated insulation voltage U i V AC Utilization category AC3 Switching of three-phase motors Rated operational current I e 220V A V A 17, V A V A V A V A V A V A 9 17, V A 8, Rated operational power V kw 5 6 8,5 12,5 18,5 of three-phase motors 240V kw , Hz V kw 7, V kw 8, V kw , V kw 7, , Cable cross-sections Line solid or stranded mm² 0,75-6 1, flexible mm² 1-4 2, flexible with multicore cable end mm² 0,75-4 1, cables per clamp Power consumption of the combination inrush and change-over VA sealed VA W ) Suitable for: earthed-neutral systems, overvoltage category I to IV, pollution degree 3 (standard-industry): Uimp = 8kV. Data for other conditions on request. 96 D946E
13 Star-Delta Starters Wiring Diagrams Main Circuit Terminal markings of contactors and relays according to DIN EN Connections shown in main and circuits as broken lines are not included. K3NY15 to K3Y100 with thermal overload relay U3/.. or U12/16 K3Y140 to K3Y300 with thermal overload relay U85 or U180 Wiring Diagrams Control Circuit K3NY15 to K3Y52 K3NY15 to K3Y52 K3Y80 to K3Y200 operating with control switch operating with push buttons operating with control switch K3Y80 to K3Y200 K3Y240 to K3Y300 K3Y240 to K3Y300 operating with push buttons operating with control switch operating with push buttons D946E 97
14 Star-Delta Starters Wiring Diagrams Main Circuit Terminal markings of contactors and relays according to DIN EN Connections shown in main and control circuits as broken lines are not included. K3YL.. Typical circuit diagram K3Y.. with 2 Thermal Overload Relays Typical circuit diagram Wiring Diagrams Control Circuit with selector switch with push buttons K3Y..W K3Y..T Typical circuit diagram Typical circuit diagram Typical circuit diagram operating with control switch operating with push buttons 98 D946E
15 Reversing Contactors Wiring Diagrams Main Circuit Terminal markings of contactors and relays according to DIN EN Connections shown in main and control circuits as broken lines are not included. K3NWU10 to K3WU74 with thermal overload relay U3/32, U3/42 or U3/74 Wiring Diagrams Control Circuit K3NWU10 to K3WU32 operating with control switch operating with push buttons Reversing over off-position Reversing direct K3WU50, K3WU62, K3WU74 operating with control switch operating with push buttons D946E 99
16 Pole Changing Starters Wiring Diagrams Terminal markings of contactors and relays according to DIN EN Connections shown in main and control circuits as broken lines are not included. Main Circuit Principal Control Circuit Wiring Diagram operating with control switch operating with push buttons Low High Low High speed speed speed speed Operation Delta Double-Star Star Double-Star Speed relation Power relation 1 1,5-1,8 0, D946E
17 Star-Delta Starters Dimensions Star-Delta Starters, AC operated, open type K3NY15 + U3/32 K3NY26 K3NY15 + U12/16E G3 K3NY26 K3Y40 + U3/32 K3Y40 + U3/42 K3Y52 + U3/32 K3Y52 + U3/42 K3Y80 + U3/74 K3Y100 + U3/74 K3Y140 + U85 K3Y200 K3Y240 + U180 + SU180/176 K3Y300 D946E 101
18 Star-Delta Starters Dimensions Star-Delta Starters, plastic enclosed, protected to IP65 K3NY26P K3Y40P to K2Y100P 2 x Ø50,5/25,5 + Ø20,5 Type A B C D E Ø F Ø G H J K3Y40P ,5 32,5 32, K3Y52P ,5 32,5 32, K3Y80P ,5 40,5 40, K3Y100P ,5 50,5 40, Star-Delta Starters, sheet steel enclosed, protected to IP54 K3Y26B to K3Y52B Type Ø F Ø G K3NY26B 25,5 25,5 K3Y40B 32,5 32,5 K3Y52B 32,5 32,5 Mounting by included fixing link K3Y80B to K2Y200B Type A B C D E L M K3Y80B ,7 65 K3Y100B ,7 65 K3Y140B ,7 65 K3Y200B ,7 65 Type Ø F Ø G H J K K3Y80B 40,5 40, K3Y100B 50,5 40, K3Y140B 50,5 50, K3Y200B 50,5 50, D946E
19 Reversing Contactors Dimensions Reversing Starters, AC operated, open type K3NWU10 + U3/32 K3NWU18 K3NWU10 + U12/16E G3 K3NWU18 K3WU24 + U3/32 K3WU24 + U3/42 K3WU32 K3WU32 K3WU40 K3WU40 K3WU50 + U3/74 K3WU62 K3WU74 Reversing Contactors, sheet steel enclosed, protected to IP54 Type A B C D E F G H K K3NWU18B Ø25,5 41 K3WU24B Ø32,5 41 K3WU32B Ø32,5 41 K3WU50B Ø32,5 59 K3WU62B Ø32,5 59 Mounting by included fixing link D946E 103
20 Pole Changing Starters Dimensions Pole Changing Starters, AC operated, open type K3NPU18 + 2x U3/32 K3NPU18 + 2x U12/16 K3PU24 +2x U3/32 K3PU50 + 2x U3/74 K3PU32 K3PU62 Pole Changing Starters, sheet steel enclosed, protected to IP54 K3NPU18B to K3PU32B Type Ø F Ø G K3NPU18B 25,5 25,5 K3PU24B 32,3 32,5 K3PU32B 32,3 32,5 Mounting by included fixing link 104 D946E
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