MULTIBLOC 1.ST8 Size 1, 250A, 690VAC, Design for Bottom Fitting, 1-,2-,3-,4-pole
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1 MULTIBLOC 1.ST8 IEC FUSE SWITCH DISCONNECTORS NH FUSE SWITCH DISCONNECTOR The production programme of MULTIBLOC series 1.ST8 comprises NH fuse switch disconnectors for 250A. They are designed for bottom fitting/panel installation and are available in single pole, double pole, tiple pole and quadruple pole units. For installation of MULTIBLOC NH fuse switch disconnectors in distribution units with central cover, respective covers are used to obtain a uniform profile in height and length. MULTIBLOC size 1 are designed for NH fuse-links in accordance with IEC/EN , VDE , size 1, 250A. MULTIBLOC offers the user the possibility of fast and easy installation as well as a high degree of security during installation and maintenance. TECHNICAL DATA OVERVIEW Voltage AC 690 VAC Amper (A) 250 A Size per Standard 1 Ue = AC 400 V; Ie = 250 A SCCR Ue = AC 500 V; Ie = 250 A Ue = AC 690 V; Ie = 200 A Ue = AC 690 V; Ie = 200 A Mounting bottom fitting/panel Switchability 1-,2-,3-,4-pole switching 80kA 80kA 80kA (1-,2-pole) 50kA (3-,4-pole) FEATURES & BENEFITS Touch protection IP 20 - when fuse link is in test mode IP rating is maintained Parking position of switch operating cover even with fuse-links inserted Electronic or electro-mechanic fuse monitoring - optional Modular system of cover - cover for cable termination area can be extended as required Varieties of cable termination: screw, bolt, clamp strap, extendable for V-terminal - optional Padlocking and sealing of switch door cover - optional Indicating switch for switch door position - optional Installation on to DIN rails in accordance with EN optional Installation on to 100mm bus bar system with adapter Safe on load connection/disconnection in accordance with IEC APPLICATIONS Panel boards for industrial use Feeder pillars for industrial use Meter distribution units Measuring transformer cabinets Transmitting stations for telecommunications STANDARDS IEC/EN For NH-fuse links size 1 in accordance with IEC/EN , VDE EP.MERSEN.COM 1
2 PRODUCT RANGE MULTIBLOC 1.ST8 size 1 250A, 690VAC bottom fitting, single pole Reference Poles Cable termination components Design Weight kg 1 Package Q M10 terminal screws piece S M10 terminal screws for direct installation on to bus bars with M10 screws piece weight in kg per piece or set including package MULTIBLOC 1.ST8 size 1 250A, 690VAC bottom fitting, double pole Reference Poles Cable termination components Weight kg 1 Package R M10 terminal screws piece 1 weight in kg per piece or set including package MULTIBLOC 1.ST8 size 1 250A, 690VAC bottom fitting, triple pole Reference Poles Cable termination components Design Weight kg 1 Package S M10 terminal screws piece V clamp straps mm² 3 M10 terminal screws piece W clamp straps mm² piece X M10 terminal screws with electronic fuse monitoring ESÜ installed (rated voltage=525vac) piece T M10 terminal screws with electro-mechanic fuse monitoring MZS installed (galvanic isolation) piece 1 weight in kg per piece or set including package EP.MERSEN.COM 2
3 PRODUCT RANGE MULTIBLOC 1.ST8 size 1 250A, 690VAC bottom fitting, quadruple pole Reference Poles Cable termination components Design Weight kg 1 Package Y M10 terminal screws piece V M10 terminal screws with ready fitted speacial solid link as neutral conductor in pole 4 for leading and lagging switching piece 1 weight in kg per piece or set including package TECHNICAL DATA IN ACCORDANCE WITH EN / IEC ST8 single pole 1.ST8 double pole 1.ST8 triple pole Number of poles/phases Size Conventional free air thermal current with NH-fuse links I th 250 A 250 A 250 A 250 A Max. power dissipation of fuse links P n 23 W 23 W 23 W 23 W Conventional free air thermal current with solid links I th 400 A 400 A 400 A 400 A Max. power dissipation of solid links P n 2,6 W 2,6 W 2,6 W 2,6 W Utilization category to IEC/EN U e = AC 400 V; I e = 250 A U e = AC 500 V; I e = 250 A U e = AC 690 V; I e = 200 A U e = DC 220 V; I e = 250 A U e = DC 440 V; I e = 250 A AC 23 B AC 22 B AC 21 B DC 22 B - AC 23 B AC 22 B AC 21 B DC 22 B - AC 23 B AC 22 B AC 21 B - DC 21 B 1.ST8 quadruple pole AC 23 B AC 22 B AC 21 B - - Rated operational voltage U e 690 V 690 V 690 V 690 V Rated insulation voltage U i 1000 V 1000 V 1000 V 1000 V Rated impulse withstand voltage U imp 12 kv 12 kv 12 kv 12 kv Rated frequency Hz Hz Hz Hz Degree of protection IP 20 IP 20 IP 20 IP 20 Degree of pollution Rated duty uninterrupted duty uninterrupted duty uninterrupted duty uninterrupted duty Rated conditional short-circuit current with fuse links U e = AC 400 V; I e = 250 A U e = AC 500 V; I e = 250 A U e = AC 690 V; I e = 200 A Rated short circuit making capacity with solid links I cm 8.2 kasw 8.2 kasw 8.2 kasw 8.2 kasw Rated short-time withstand current I cw 8 ka / 1 s 8 ka / 1 s 8 ka / 1 s 8 ka / 1 s Power dissipation by I th without NH-fuse links 4 W 9 W 13 W 13 W Power dissipation by I th 400A without solid links 10 W 23 W 33 W 33 W Installation mode bottom fitting bottom fitting bottom fitting bottom fitting Cable terminal connection Standard cable terminal M10 M10 M10 M10 for cable lugs Cu max. 2 x 150 mm² 2 x 150 mm² 2 x 150 mm² 2 x 150 mm² for cable lugs Al max. 2 x 185 mm² 2 x 185 mm² 2 x 185 mm² 2 x 185 mm² for copper bars with max. dimensions 30 x 10 mm 30 x 10 mm 30 x 10 mm 30 x 10 mm 50 ka 50 ka 50 ka EP.MERSEN.COM 3
4 MULTIBLOC 1.ST8 NH-fuse switch disconnector single pole (M01126) connection centre connection centre fixing centre dimensions for bottom fitting connection centre fixing centre EP.MERSEN.COM 4
5 MULTIBLOC 1.ST8 NH-fuse switch disconnector double pole design for bottom fitting (M01127) connection centre fixing centre dimensions for bottom fitting EP.MERSEN.COM 5
6 MULTIBLOC 1.ST8 NH-fuse switch disconnector triple pole design for bottom fitting (M01121a) connection centre 238 dimensions of switch board cut out for bottom fixing without cover shield max. thickness of switch board 2mm dimensions for bottom fitting connection centre fixing centre connection centre fixing centre EP.MERSEN.COM 6
7 MULTIBLOC 1.ST8 NH-fuse switch disconnector quadruple pole design for bottom fitting (M01128) connection centre fixing centre dimensions for bottom fitting EP.MERSEN.COM 7
8 MULTIBLOC main incomer size 1 (M ) , max: 30 x bus bar system: max. 60 x 10 tightening torque: cable terminal M10: 20 Nm bus bar terminal: hexagon screw: M10: 15 Nm fig.1 fig.3 IN 2xI N incoming current IN 1xI N incoming current fig.2 IN 2xI N incoming current EP.MERSEN.COM 8
9 MULTIBLOC 1.ST8 and 1.RST8 triple pole with electronic fuse monitoring ESÜ (M ) EP.MERSEN.COM 9
10 MULTIBLOC 1.ST8 and 1.RST8 triple pole with electro-mechanic fuse monitoring MZS (M ) 287 EP.MERSEN.COM 10
11 MULTIBLOC bus bar adapter with clamp terminal for 1.ST8 (M01151a-1) ,5 70 mm 90 mm m 161 m = max. 60 x 10 tightening torque: M10: 25 Nm M8: 15 Nm EP.MERSEN.COM 11
12 Cable termination size 1 (MA 98e-1) screw treminal: (standard) bolt terminal: (standard) terminal: clamp strap: (option/accessory) M10x20 screw tightening torque 20Nm M10 nut tightening torque 20Nm Gr.1: M6x30 screw tightening torque 6Nm spring washer M10 spring washer M10 spring ring clamp strap cable lug or copper bar washer size. 1: for values x smaller than 2.5 mm use washer in addition M10x30 screw tightening torque 20Nm screw and bolt terminal for cable lugs: size. 1: DIN max. 150mm² DIN max. 150mm² DIN max. 185mm² copper bars: size 1: for round stranded conductors mm² for bars or laminated copper 18 x EP.MERSEN.COM 12
13 EXPLODED SKETCH MULTIBLOC 1.ST8 NH-fuse switch disconnector single pole (E ) no. article short Description Cover for cable termination single pole Set for mounting on DIN rails 125mm Set for mounting on DIN rails 150mm indicator for switch door position Locking device f. windows,1 Set=3 pieces Cover sealing device, installation set EP.MERSEN.COM 13
14 EXPLODED SKETCH MULTIBLOC 1.ST8 NH- fuse switch disconnector triple pole design for bottom fitting (E ) no. article short Description Cover for cable termination triple pole Cover shield, 210 x 260 mm Set for mounting on DIN rails 125mm, Set for mounting on DIN rails 150mm indicator for switch door position Locking device f. windows,1 Set=3 pieces Cover sealing device, installation set EP.MERSEN.COM 14
15 ACCESSORIES Cover shields Reference Design Weight Package Z cover shield for installation in distribution units size (width x height): 210 x 260 mm for one 1.ST8/1.RST8 triple pole 68 g 1 piece X cover shield for installation in distribution units size (width x height): 230 x 283 mm for one 1.ST8/1.RST8 triple pole 90 g 1 piece Cover/shrouds for cable termination Reference Design Weight Package W V M G cover for cable terminal connection for 1.ST8 single pole, 1 set = 2 pieces cover for cable terminal connection for 1.ST8 triple pole, 1 set = 2 pieces cover for cable terminal connection for 1.ST8 quadruple pole bus bar touch protection for bus bar adapter size 1, 1 set = 2 pieces 0.19 kg 1 set 0.29 kg 1 set kg 1 piece kg 1 set EP.MERSEN.COM 15
16 ACCESSORIES Adapter für installation on to bus bars with clamp terminal Reference Design Weight Package C bus bar adapter size 1 with clamp terminal for MULTIBLOC 1.ST8 triple pole for bus bar system 100 mm 1.23 kg 1 piece Installation devices Reference Design Weight Package E adapter for installation on to DIN-rails in accordance with EN mm for 1.ST8 triple pole 3.1 kg 1 piece D adapter for installation on to DIN-rails in accordance with EN mm for 1.ST8 triple pole 3.1 kg 1 piece A adapter for installation on to DIN-rails in accordance with EN mm for 1.ST8 single pole 0.16 kg 1 piece B adapter for installation on to DIN-rails in accordance with EN mm for 1.ST8 single pole 0.19 kg 1 piece Indication facilities Q Locking and sealing devices/cover sealing device L Locking and sealing devices/locking device for window K Reference Design Weight Package indicator for switch door position micro switch, 1 change-over contact 5 A, 250 V Reference Design Weight Package cover sealing device-installation set for 00.ST8 1-, 2-, 4-pole and 1.ST8/RST8 Reference Design Weight Package locking device for window for 00.ST8 1-, 2-, 4-pole and 1./2.ST8/RST8 1 set = 3 pieces 0.09 kg 1 piece 10 g 1 piece 20 g 1 set EP.MERSEN.COM 16
17 ACCESSORIES Varieties of cable termination Reference Design Weight Package E clamp strap mm² for 1.ST8 1-4-pole + 1.RST8, 1 set = 3 pieces 0.14 kg 1 set J V-shaped lug size 1, M8, for V-terminal clamp size 1 for 1.ST8 1- to 4-pole + 1.RST8, supplementary set for V-terminal with use of V-clamps 1 set = 3 pieces 0.09 kg 1 set EP.MERSEN.COM 17
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RSC09 RSC16 RSC22 RSC38 RSC43 RSC63 RSC-AUX
IEC-Contactor RSC 1 Features Rated operational current 9 63 (C-3) Coil voltages C 24, 230V 3 main contacts and auxiliary contact Extendable with auxiliary contact block Mounting position any 2 Description
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Vertical fuse disconnects
Vertical fuse disconnects Vertical fuse disconnects Vertical fuse disconnects are designed to receive NH fuse links. Hinged fuse-carriers enable opening and closing operation in electric circuits under
125 to 4000 A. Functions. Conformity to standards. Approvals and certifications (1) General characteristics. Available on request
125 to 4000 A sirco_353_a_1_cat sirco_296_a_1_cat sirco_300_b switches are manually operated or motorised multipolar load break switches. They break on and off under load and provide safety isolation for
MC FRAME SIZE 1 / UP TO 160A
8 W CIRCUIT BREAKER 3 POLE UP TO 160A WITH THERMAL MAGNETIC RELEASE TYPES MC1B-A, MC1N-A, MC1H-A For system and line protection Adjustable overload release Ir: 0,8 1 x In (factory setting 0,8 x In) Adjustable
Electronic overload relays EF205 and EF370
Data sheet Electronic overload relays EF205 and EF370 Electronic overload relays offer reliable protection in case of overload and phase-failure. They are the alternative to thermal overload relays. Motor
Electronic overload relay EF65, EF96 and EF146
Data sheet Electronic overload relay EF65, EF96 and EF146 Electronic overload relays are the alternative to the thermal overload relays. An electronic overload relay offers reliable and fast protection
Product brochure. ABB Fusegear EasyLine Fuse switch disconnector
Product brochure ABB Fusegear EasyLine Fuse switch disconnector 2 EasyLine Fuse Switch Disconnector ABB Fusegear Content Fuse protection 4 Technical Data 5 General 6 Apparatus overview 7 Electronic Fuse
Fuse Switch Disconnectors XNH. Fuse Switch Disconnectors XNH... For fuse links NH000 to NH3. Rated operating current of 160, 250, 400 and 630A
www.eaton.eu Panel Building Accessories PIFT Plug In Fused Terminal Fuse Disconnectors Filters and Fans Fuse Switch Disconnectors XNH Thermostats Terminals Catalogue 2017 Electrical Cabinet Heating Fuse
FUSOMAT Visible breaking and tripping fuse switches from 250 to 1250 A
Fuse protection The solution for > Motor load break > Protection of industrial cabinet > Electrical distribution fusom_063_b_1_cat Strong points > Tripping upon overload > High breaking capacity > Improved
CRITO Connection technology. Double and triple T and TCC section busbars
Centre feed unit 5 Centre feed unit Centre feed unit 5 Centre feed unit up to 4000 A combines the advantages of high short-circuit capacity, drill-free mounting, brace terminal technology and clearly structured
NH-Fuse system Low voltage
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LV switch-disconnectors. Interpact Merlin Gerin 40 to 2500 A. Catalogue. We do more with electricity
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Connecting sets CS-FS CS-FS123-WD. Connecting space covers OD-FS00-.. OD-FS123-KP. Adapter for parallel outlet - HP-SE/K
Varius SUMMARY OF MODELS OF FUSE-RAILS Type FSR00 FSR1 FSR2 FSR3 Rated operating current I e 160 A 250 A 400 A 630 A Rated operating voltage AC/DC U e 690 V 690 V 690 V 690 V Size 00 1 2 3 Busbar spacing
HelioProtection HP10NH Photovoltaic fuse-links gpv 1000VDC
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FL series position switches
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UL 508 Non-Fusible Disconnect Switches
UL 508 Non-Fused (M163 M803) The M-series Load Break Switch is the most compact industrial-grade switch on the market. Capable of making or breaking loads up to 600V (UL), it is suitable as a motor disconnect.
NH fuse-links gg 500VAC size 000, 00, 0, 1, 2, 3
IEC LV NH fuse links with blade contacts The NH system is classified among plug-in fuse systems and is composed of: fuse-base, (possibly including terminal covers and phase barriers) fuse-link with blade
Thermal overload relay TF65 and TF96
Data sheet Thermal overload relay TF65 and TF96 Thermal overload relays are economic electromechanical protection devices for the main circuit. They are used mainly to protect motors against overload and
Euroload Changeover Switch
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AF09... AF30 3-pole Contactors up to 25 HP / 600 VAC
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25A 25A 32A 40A 40A 63A 63A 80A
ISDC Compact Range 25A - 200A Control Panel Isolation Equipment Craig & Derricott has ranges of Switch-Disconnectors, Fuse Combination Units and Changeover Isolators for panel mounting ranging from 25A
UL 508 Non-Fusible Disconnect Switches
UL 508 Non-Fused (M163 M803) The M-series Load Break Switch is the most compact industrial-grade switch on the market. Capable of making or breaking loads up to 600V (UL), it is suitable as a motor disconnect.
ATyS. 63 to 3200 A. Functions. Conformity to standards. General characteristics. Changeover switches. Functions
to 00 A Accessories Enclosed Characteristics M e atysm_007_a cat M s atysm_0_a cat products are and 4pole switches remotely controlled by volt free contacts ( ) or automatic transfer switches ( ). They
DPX 160 Thermal magnetic and trip-free switches DPX-I 160
87045 LIMOGES Cedex Phone : +33 05 55 06 87 87 FAX : +33 05 55 06 88 88 DPX 160 CONTENTS PAGES 1. USE 1 2. RANGE 1 3. DIMENSIONS 1 3. DIMENSIONS (NEXT) 2 4. OVERVIEW 2 5. CONNECTION 2 6. ELECTRICAL AND
FUSERBLOC Fuse combination switches for industrial fuses up to 1250 A
fuser_548_a_1_cat fuser_532_a_1_cat fuser_539_a_1_cat FUSERBLOC from 25 to 32 A FUSERBLOC from 630 to 1250 A FUSERBLOC from 32 to 400 A Function FUSERBLOC are manually operated multipolar fuse combination
A compact range of Switch-Disconnectors with the capacity to add auxiliary and neutral block options to the basic load break switch block.
PNE ISOTORS Craig & Derricott has a range of products designed specifically for control panel and switchboard construction. Most panels require a means of electrical isolation and the can offer variants
MS General Information Extended Product Type: MS
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Short form catalogue. Motor protection & control
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Limitor -G General Purpose Fuses
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