Properties
| Version | Fuse terminal, Screw connection, Fuse isolator, Screw connection, 4 mm², 400 V, 6.3 A, G-Si. 5 x 20, black |
| Order No. | 2561900000 |
| Type | WFS 4 |
| GTIN (EAN) | 4050118570403 |
| Qty. | 50 items |
| Depth | 75 mm |
| Depth (inches) | 2.953 inch |
| Depth including DIN rail | 75.5 mm |
| Height | 62.5 mm |
| Height (inches) | 2.461 inch |
| Width | 6.1 mm |
| Width (inches) | 0.24 inch |
| Net weight | 17.435 g |
| Storage temperature | -25 °C...55 °C |
| Continuous operating temp., min. | -60 °C |
| Continuous operating temp., max. | 130 °C |
| Material | Wemid |
| Colour | black |
| UL 94 flammability rating | V-0 |
| Certificate No. (ATEX) | TÜV20ATEX8502U |
| Certificate No. (IECEX) | IECEXTUR20.0014U |
| Max. voltage (ATEX) | 250 V |
| Current (ATEX) | 6.3 A |
| Wire cross section max. (ATEX) | 6 mm² |
| Max. voltage (IECEX) | 250 V |
| Current (IECEX) | 6.3 A |
| Wire cross section max. (IECEX) | 6 mm² |
| Version |
Screw connection
Fuse isolator |
| End cover plate required | Yes |
| Number of potentials | 1 |
| Number of levels | 1 |
| Number of clamping points per level | 2 |
| Number of potentials per tier | 1 |
| Levels cross-connected internally | No |
| PE connection | No |
| Rail | TS 35 |
| N-function | No |
| PE function | No |
| PEN function | No |
| Wire connection cross section, finely stranded with wire-end ferrules DIN 46228/1, 2 clampable wires, max. | 1.5 mm² |
| Wire connection cross section, finely stranded with wire-end ferrules DIN 46228/1, 2 clampable wires, min. | 0.5 mm² |
| Wire connection cross section, finely stranded, two clampable wires, min. | 0.5 mm² |
| Wire cross-section, finely stranded, two clampable wires, max. | 1.5 mm² |
| Open sides | right |
| Type of mounting | Snap-on |
| Connection type, additional connection | Screw connection |
| Blade size | 0.6 x 3.5 mm |
| Clampable conductor |
|
| Clamping range, max. | 6 mm² |
| Clamping range, min. | 0.22 mm² |
| Clamping screw | M 3 |
| Connection cross-section, stranded, max. | 6 mm² |
| Connection cross-section, stranded, min. | 1.5 mm² |
| Connection direction | on side |
| Gauge to IEC 60947-1 | A4 |
| Number of connections | 2 |
| Stripping length | 13 mm |
| Tightening torque, max. | 0.6 Nm |
| Tightening torque, min. | 0.5 Nm |
| Torque level with DMS electric screwdriver | 2 |
| Type of connection | Screw connection |
| Type of connection 2 | Screw connection |
| Wire connection cross section AWG, max. | AWG 10 |
| Wire connection cross section AWG, min. | AWG 26 |
| Wire connection cross section, finely stranded, max. | 4 mm² |
| Wire connection cross section, finely stranded, min. | 0.5 mm² |
| Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/1, max. | 4 mm² |
| Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/1, min. | 0.5 mm² |
| Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/4, max. | 4 mm² |
| Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/4, min. | 0.5 mm² |
| Wire connection cross-section, solid core, max. | 6 mm² |
| Wire connection cross-section, solid core, min. | 0.5 mm² |
| Certificate No. (CSA) | 200039-1057876 |
| Current size B (CSA) | 10 A |
| Current size D (CSA) | 10 A |
| Voltage size B (CSA) | 300 V |
| Voltage size D (CSA) | 300 V |
| Wire cross section max. (CSA) | 10 AWG |
| Wire cross section min. (CSA) | 22 AWG |
| Current | 6.3 A |
| Type of voltage for indicator | AC/DC |
| Cartridge fuse | G-Si. 5 x 20 |
| Current | 6.3 A |
| Display | Without LED |
| Fuse holder (cartridge holder) | Pivoting |
| Operating voltage, max. | 250 V |
| Type of voltage for indicator | AC/DC |
| Rail | TS 35 |
| Standards | IEC 60947-7-3 |
| Wire connection cross section AWG, max. | AWG 10 |
| Wire connection cross section AWG, min. | AWG 26 |
| Rated cross-section | 4 mm² |
| Rated voltage | 400 V |
| Rated voltage to adjoining terminal | 400 V |
| Rated DC voltage | 400 V |
| Rated current | 6.3 A |
| Current at maximum wires | 6.3 A |
| Standards | IEC 60947-7-3 |
| Volume resistance according to IEC 60947-7-x | 1 mΩ |
| Rated impulse withstand voltage | 6 kV |
| Power loss in accordance with IEC 60947-7-x | 1.02 W |
| Pollution severity | 3 |
| Certificate No. (cURus) | E60693 |
| Conductor size Factory wiring max. (cURus) | 10 AWG |
| Conductor size Factory wiring min. (cURus) | 22 AWG |
| Conductor size Field wiring max. (cURus) | 10 AWG |
| Conductor size Field wiring min. (cURus) | 22 AWG |
| Current size B (cURus) | 10 A |
| Current size D (cURus) | 10 A |
| Voltage size B (cURus) | 300 V |
| Voltage size D (cURus) | 300 V |
| Product information | The voltage depends on the selected fuse element or the selected indicator light |
| Approval/Certificate/Document of Conformity |
[Attestation of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_207076)
[DNVGL Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_177170) [IECEx Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_207073) [ATEX Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_207074) [CE Declaration of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_79213) [UKCA declaration of conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_284530) [Confirmation of Standards EN 45545-2_2020-10](https://mdcop.weidmueller.com/mediadelivery/asset/900_308425) |
| Engineering Data | [CAD data -- STEP](https://mdcop.weidmueller.com/mediadelivery/asset/900_74608) |
| Eplan Data Portal | [Eplan data](https://dataportal.eplan.com/part-details/WEI.2561900000) |
| CADENAS eCATALOG | [CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=2561900000) |
| WSCAD Universe | [WSCAD data](https://wscaduniverse.com/part-detail?manufacturerId=88&type=0&partNumber=2561900000&norm=0) |
| User Documentation |
[StorageConditionsTerminalBlocks](https://mdcop.weidmueller.com/mediadelivery/asset/900_87149)
[NTI WFS 4](https://mdcop.weidmueller.com/mediadelivery/asset/900_207077) [NTI WFS 4](https://mdcop.weidmueller.com/mediadelivery/asset/900_302470) |
| Catalogues | [Catalogues in PDF-format](LINK/Catalog.html) |
| ETIM 6.0 | EC000899 |
| ETIM 7.0 | EC000899 |
| ETIM 8.0 | EC000899 |
| ETIM 9.0 | EC000899 |
| ECLASS 9.0 | 27-14-11-16 |
| ECLASS 9.1 | 27-14-11-16 |
| ECLASS 10.0 | 27-14-11-16 |
| ECLASS 11.0 | 27-14-11-16 |
| ECLASS 12.0 | 27-14-11-16 |
| ECLASS 13.0 | 27-25-01-13 |
| Approvals |         |
| ROHS | Conform |
| UL File Number Search | [UL Website](LINK/UL_search.html) |
| Certificate No. (cURus) | E60693 |
Accessories
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Item No.:2561610000Packaging unit:5 PC
Cross-connector (terminal), Plugged, Number of poles: 30, Pitch in mm (P): 6.10, 32 A, blue
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Item No.:2460450000Packaging unit:60 PC
Cross-connector (terminal), Plugged, Number of poles: 2, Pitch in mm (P): 6.10, 32 A, red
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Item No.:1527990000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 6, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, orange
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Item No.:1528040000Packaging unit:60 PC
Cross-connector (terminal), Plugged, Number of poles: 2, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, blue
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Item No.:1528080000Packaging unit:60 PC
Cross-connector (terminal), Plugged, Number of poles: 3, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, blue
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Item No.:1527970000Packaging unit:60 PC
Cross-connector (terminal), Plugged, Number of poles: 4, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, orange
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Item No.:2561670000Packaging unit:5 PC
Cross-connector (terminal), Plugged, Number of poles: 32, Pitch in mm (P): 6.00, Insulated: Yes, 32 A, orange
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Item No.:2460740000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 10, Pitch in mm (P): 6.10, 32 A, red
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Item No.:2460810000Packaging unit:60 PC
Cross-connector (terminal), Plugged, Number of poles: 3, Pitch in mm (P): 6.10, 32 A, red
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Item No.:1528180000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 7, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, blue
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Item No.:1528020000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 7, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, orange
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Item No.:1528230000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 10, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, blue
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Item No.:1527980000Packaging unit:60 PC
Cross-connector (terminal), Plugged, Number of poles: 5, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, orange
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Item No.:2460800000Packaging unit:60 PC
Cross-connector (terminal), Plugged, Number of poles: 4, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, red
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Item No.:2561600000Packaging unit:5 PC
Cross-connector (terminal), Plugged, Number of poles: 30, Pitch in mm (P): 6.10, 32 A, red
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Item No.:2460760000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 8, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, red
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Item No.:1528190000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 8, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, blue
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Item No.:1528240000Packaging unit:5 PC
Cross-connector (terminal), Plugged, Number of poles: 50, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, blue
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Item No.:1528130000Packaging unit:5 PC
Cross-connector (terminal), Plugged, Number of poles: 50, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, orange
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Item No.:2561580000Packaging unit:5 PC
Cross-connector (terminal), Plugged, Number of poles: 30, Pitch in mm (P): 6.10, 32 A, orange
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Item No.:1528070000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 9, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, orange
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Item No.:2460780000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 6, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, red
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Item No.:2460750000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 9, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, red
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Item No.:1527930000Packaging unit:60 PC
Cross-connector (terminal), Plugged, Number of poles: 2, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, orange
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Item No.:1528170000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 6, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, blue
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Item No.:2460770000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 7, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, red
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Item No.:2460730000Packaging unit:5 PC
Cross-connector (terminal), Plugged, Number of poles: 50, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, red
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Item No.:1528220000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 9, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, blue
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Item No.:1528030000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 8, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, orange
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Item No.:1528140000Packaging unit:60 PC
Cross-connector (terminal), Plugged, Number of poles: 5, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, blue
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Item No.:1528120000Packaging unit:60 PC
Cross-connector (terminal), Plugged, Number of poles: 4, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, blue
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Item No.:1527940000Packaging unit:60 PC
Cross-connector (terminal), Plugged, Number of poles: 3, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, orange
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Item No.:2460790000Packaging unit:60 PC
Cross-connector (terminal), Plugged, Number of poles: 5, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, red
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Item No.:1528090000Packaging unit:20 PC
Cross-connector (terminal), Plugged, Number of poles: 10, Pitch in mm (P): 6.10, Insulated: Yes, 32 A, orange
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Item No.:1927530000Packaging unit:600 PC
WS, Terminal marker, 12 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, white
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Item No.:1773551687Packaging unit:600 PC
WS, Terminal marker, 12 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, yellow
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Item No.:1773551692Packaging unit:600 PC
WS, Terminal marker, 12 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, brown
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Item No.:1773551693Packaging unit:600 PC
WS, Terminal marker, 12 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, blue
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Item No.:1773551689Packaging unit:600 PC
WS, Terminal marker, 12 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, violet
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Item No.:1773551690Packaging unit:600 PC
WS, Terminal marker, 12 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, orange
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Item No.:1609900000Packaging unit:600 PC
WS, Terminal marker, 12 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, white
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Item No.:1773551686Packaging unit:600 PC
WS, Terminal marker, 12 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, red
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Item No.:1951880000Packaging unit:600 PC
WS, Terminal marker, 8 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, white
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Item No.:1011320000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, white
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Item No.:1238310000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, green
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Item No.:1238280000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, yellow
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Item No.:1912090000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, orange
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Item No.:1609820000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, white
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Item No.:1238330000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, grey
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Item No.:1238290000Packaging unit:1000 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, blue
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Item No.:1050060000Packaging unit:50 PC
End plate (terminals), 56 mm x 1.5 mm, orange
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Item No.:1072200000Packaging unit:50 PC
End plate (terminals), 56 mm x 1.5 mm, green
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Item No.:1072210000Packaging unit:50 PC
End plate (terminals), 56 mm x 1.5 mm, violet
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Item No.:1050020000Packaging unit:50 PC
End plate (terminals), 56 mm x 1.5 mm, yellow
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Item No.:1050010000Packaging unit:50 PC
End plate (terminals), 56 mm x 1.5 mm, black
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Item No.:1050050000Packaging unit:50 PC
End plate (terminals), 56 mm x 1.5 mm, grey
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Item No.:1050090000Packaging unit:50 PC
End plate (terminals), 56 mm x 1.5 mm, white
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Item No.:1050000000Packaging unit:50 PC
End plate (terminals), 56 mm x 1.5 mm, dark beige
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Item No.:1050070000Packaging unit:50 PC
End plate (terminals), 56 mm x 1.5 mm, brown
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Item No.:1050080000Packaging unit:50 PC
End plate (terminals), 56 mm x 1.5 mm, blue
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Item No.:1828460000Packaging unit:120 PC
WS, Terminal marker, 10 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, To customer specification
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Item No.:2007780000Packaging unit:120 PC
WS, Terminal marker, 10 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, To customer specification
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Item No.:1818410000Packaging unit:120 PC
WS, Terminal marker, 10 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, To customer specification
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Item No.:1046330000Packaging unit:120 PC
WS, Terminal marker, 10 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, To customer specification
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Item No.:1038650000Packaging unit:200 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, To customer specification
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Item No.:1609830000Packaging unit:200 PC
Dekafix, Terminal marker, 5 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, To customer specification
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Item No.:1859200000Packaging unit:100 PC
End bracket, Wemid, grey, Rail: TS 35, when screwed in
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Item No.:1061200000Packaging unit:50 PC
End bracket, Wemid, dark beige, Rail: TS 35, when screwed in
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Item No.:1479000000Packaging unit:50 PC
End bracket, Wemid, black, Rail: TS 35, when screwed in
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Item No.:1061210000Packaging unit:50 PC
End bracket, Wemid, black, Rail: TS 35, when screwed in
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Item No.:2007120000Packaging unit:600 PC
Dekafix, Terminal marker, 5 x 6 mm, Weidmueller, white
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Item No.:1818400000Packaging unit:600 PC
WS, Terminal marker, 10 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, white
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Item No.:1917420000Packaging unit:600 PC
WS, Terminal marker, 10 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, green
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Item No.:1917440000Packaging unit:600 PC
WS, Terminal marker, 10 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, red
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Item No.:1828450000Packaging unit:600 PC
WS, Terminal marker, 10 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, white
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Item No.:1046390000Packaging unit:600 PC
WS, Terminal marker, 10 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, white
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Item No.:1069080000Packaging unit:600 PC
WS, Terminal marker, 10 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, blue
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Item No.:2003780000Packaging unit:600 PC
WS, Terminal marker, 10 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, white
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Item No.:1917430000Packaging unit:600 PC
WS, Terminal marker, 10 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, yellow
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Item No.:1038820000Packaging unit:120 PC
WS, Terminal marker, 8 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, To customer specification
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Item No.:1927540000Packaging unit:120 PC
WS, Terminal marker, 12 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, To customer specification
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Item No.:1609910000Packaging unit:120 PC
WS, Terminal marker, 12 x 6 mm, Pitch in mm (P): 6.00 Weidmueller, Allen-Bradley, To customer specification
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Item No.:2007200000Packaging unit:600 PC
WS, Terminal marker, 12 x 6 mm, Weidmueller, white
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Item No.:2007160000Packaging unit:600 PC
WS, Terminal marker, 8 x 6 mm, Weidmueller, white