Properties
| Version | Single- and multi-pole terminal strip, Screw connection, dark beige, 4 mm², 32 A, 800 V, Number of connections: 2, Number of levels: 1, V-0, Wemid |
| Order No. | 1021000000 |
| Type | WDU 4/10 |
| GTIN (EAN) | 4008190076924 |
| Qty. | 10 items |
| Depth | 46.5 mm |
| Depth (inches) | 1.831 inch |
| Height | 60 mm |
| Height (inches) | 2.362 inch |
| Width | 6.1 mm |
| Width (inches) | 0.24 inch |
| Net weight | 89.06 g |
| Storage temperature | -25 °C...55 °C |
| Operating temperature range | For operating temperature range see EC Design Test Certificate / IEC Ex-Certificate of Conformity |
| Continuous operating temp., min. | -60 °C |
| Continuous operating temp., max. | 130 °C |
| RoHS Compliance Status | Compliant without exemption |
| REACH SVHC | No SVHC above 0.1 wt% |
| Material | Wemid |
| Colour | dark beige |
| UL 94 flammability rating | V-0 |
| Certificate No. (ATEX) | DEMKO14ATEX1338U |
| Certificate No. (IECEX) | IECEXULD14.0005U |
| Max. voltage (ATEX) | 690 V |
| Current (ATEX) | 32 A |
| Wire cross section max. (ATEX) | 4 mm² |
| Max. voltage (IECEX) | 690 V |
| Current (IECEX) | 32 A |
| Wire cross section max. (IECEX) | 4 mm² |
| Operating temperature range | For operating temperature range see EC Design Test Certificate / IEC Ex-Certificate of Conformity |
| Marking EN 60079-7 | Ex eb II C Gb |
| Ex 2014/34/EU label | II 2 G D |
| Version |
Screw connection
for plug-in cross-connector for screwable cross-connection |
| 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 |
| Explosion-tested version | Yes |
| Number of similar terminals | 10 |
| Open sides | right |
| Type of mounting | Snap-on |
| Conductor cross-section, flexible plus plastic collar DIN 46228/1, further connection, max. | 4 mm² |
| Connection type, additional connection | Screw connection |
| Clampable conductor |
|
| Clamping screw | M 3 |
| Connection cross-section, stranded, max. | 4 mm² |
| Connection cross-section, stranded, min. | 0.5 mm² |
| Connection direction | on side |
| Number of connections | 2 |
| Stripping length | 10 mm |
| Twin wire-end ferrules, max. | 2.5 mm² |
| Twin wire-end ferrules, min. | 0.5 mm² |
| Type of connection | Screw connection |
| Type of connection 2 | Screw connection |
| Wire connection cross section, finely stranded, max. | 6 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, solid core, max. | 6 mm² |
| Wire connection cross-section, solid core, min. | 0.5 mm² |
| Certificate No. (CSA) | 200039-1057876 |
| Current size B (CSA) | 35 A |
| Current size C (CSA) | 35 A |
| Voltage size C (CSA) | 600 V |
| Wire cross section max. (CSA) | 10 AWG |
| Wire cross section min. (CSA) | 26 AWG |
| TS 35 offset | 32 mm |
| Number of poles | 10 |
| Rail | TS 35 |
| Standards | IEC 60947-7-1 |
| Rated cross-section | 4 mm² |
| Rated voltage | 800 V |
| Rated DC voltage | 800 V |
| Rated current | 32 A |
| Standards | IEC 60947-7-1 |
| Volume resistance according to IEC 60947-7-x | 1 mΩ |
| Power loss in accordance with IEC 60947-7-x | 1.02 W |
| Certificate No. (UR) | E60693 |
| Conductor size Factory wiring max. (UR) | 10 AWG |
| Conductor size Factory wiring min. (UR) | 26 AWG |
| Conductor size Field wiring max. (UR) | 10 AWG |
| Conductor size Field wiring min. (UR) | 22 AWG |
| Current size C (UR) | 35 A |
| Voltage size C (UR) | 600 V |
| Approval/Certificate/Document of Conformity |
[IECEx Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_39462)
[CB Testreport](https://mdcop.weidmueller.com/mediadelivery/asset/900_42060) [CB Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_42061) [16-AV4BO-0265U.](https://mdcop.weidmueller.com/mediadelivery/asset/900_318066) [CCC Ex Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_320981) [CE Declaration of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_37563) [ATEX Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_39463) [UKCA declaration of conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_284527) [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_59619) |
| Eplan Data Portal | [Eplan data](https://dataportal.eplan.com/part-details/WEI.1021000000) |
| CADENAS eCATALOG | [CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=1021000000) |
| User Documentation |
[NTI WDU/WPE 4](https://mdcop.weidmueller.com/mediadelivery/asset/900_35394)
[StorageConditionsTerminalBlocks](https://mdcop.weidmueller.com/mediadelivery/asset/900_87149) |
| Catalogues | [Catalogues in PDF-format](LINK/Catalog.html) |
| ETIM 6.0 | EC001284 |
| ETIM 7.0 | EC001284 |
| ETIM 8.0 | EC001284 |
| ETIM 9.0 | EC001284 |
| ECLASS 9.0 | 27-14-11-06 |
| ECLASS 9.1 | 27-14-11-06 |
| ECLASS 10.0 | 27-14-11-06 |
| ECLASS 11.0 | 27-14-11-06 |
| ECLASS 12.0 | 27-14-11-06 |
| ECLASS 13.0 | 27-14-11-06 |
| ECLASS 14.0 | 27-14-11-06 |
| Approvals |           |
| ROHS | Conform |
| UL File Number Search | [UL Website](LINK/UL_search.html) |
| Certificate No. (UR) | E60693 |
Accessories
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Item No.:1050080000Packaging unit:50 PC
End plate (terminals), blue, Height: 56 mm, Width: 1.5 mm, V-0, Wemid
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Item No.:1050180000Packaging unit:20 PC
End and partition plate for terminals, blue, Height: 56 mm, Width: 1.5 mm, V-0, Wemid
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Item No.:1966380000Packaging unit:50 PC
End plate (terminals), dark beige, Height: 54.5 mm, Width: 0.35 mm, V-0, Wemid
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Item No.:1050100000Packaging unit:20 PC
End and partition plate for terminals, dark beige, Height: 56 mm, Width: 1.5 mm, V-0, Wemid
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Item No.:1050000000Packaging unit:50 PC
End plate (terminals), dark beige, Height: 56 mm, Width: 1.5 mm, V-0, Wemid
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Item No.:1611930000Packaging unit:20 PC
Terminal markers, Terminal marker, 32 x 7 mm, Pitch in mm (P): 5.00 Weidmueller, white
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Item No.:1636530000Packaging unit:20 PC
Terminal markers, Terminal marker, 15 x 7 mm, Pitch in mm (P): 5.00 Weidmueller, white
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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.:1778990000Packaging unit:50 PC
Socket (terminal), Plug-in depth: 11.1 mm, Depth: 26.6 mm
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Item No.:1312520000Packaging unit:50 PC
Socket (terminal), Plug-in depth: 11.1 mm
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Item No.:1071000000Packaging unit:50 PC
Socket (terminal), Plug-in depth: 11.1 mm, Depth: 26.6 mm
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Item No.:1071040000Packaging unit:50 PC
Socket (terminal), Plug-in depth: 11.1 mm, Depth: 26.6 mm
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Item No.:1071080000Packaging unit:50 PC
Socket (terminal), Plug-in depth: 11.1 mm, Depth: 26.6 mm
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Item No.:1071020000Packaging unit:50 PC
Socket (terminal), Plug-in depth: 11.1 mm, Depth: 26.6 mm
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Item No.:1071010000Packaging unit:50 PC
Socket (terminal), Plug-in depth: 11.1 mm, Depth: 26.6 mm
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Item No.:1071030000Packaging unit:50 PC
Socket (terminal), Plug-in depth: 11.1 mm, Depth: 26.6 mm
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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.:1632360000Packaging unit:25 PC
Test adapter (terminal), 1.5 mm², 250 V, 6 A
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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.:2007120000Packaging unit:600 PC
Dekafix, Terminal marker, 5 x 6 mm, Weidmueller, white
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Item No.:1061200000Packaging unit:50 PC
End bracket, dark beige, TS 35, HB, Wemid, Width: 8 mm, 100 °C
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Item No.:1112920000Packaging unit:48 PC
Group markers, Cover, 33.3 x 5 mm, Pitch in mm (P): 5.00 WDU 2.5, WEW 35/2, ZEW 35/2, yellow
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Item No.:1112910000Packaging unit:48 PC
Group markers, Cover, 33.3 x 5 mm, Pitch in mm (P): 5.00 WDU 2.5, WEW 35/2, ZEW 35/2, white
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Item No.:0517960000Packaging unit:20 PC
SCHT, Terminal marker, 39.3 x 8 mm, Pitch in mm (P): 7.00 Weidmueller, white
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Item No.:1054560000Packaging unit:50 PC
Cross-connector (terminal), when screwed in, yellow, 41 A, Number of poles: 3, Pitch in mm (P): 6.10, Insulated: Yes, Width: 7.6 mm
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Item No.:1052060000Packaging unit:20 PC
Cross-connector (terminal), when screwed in, yellow, 41 A, Number of poles: 10, Pitch in mm (P): 6.10, Insulated: Yes, Width: 7.6 mm
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Item No.:1051960000Packaging unit:50 PC
Cross-connector (terminal), when screwed in, yellow, 41 A, Number of poles: 2, Pitch in mm (P): 6.10, Insulated: Yes, Width: 10.6 mm
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Item No.:1054660000Packaging unit:50 PC
Cross-connector (terminal), when screwed in, yellow, 41 A, Number of poles: 4, Pitch in mm (P): 6.10, Insulated: Yes, Width: 7.6 mm
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Item No.:1058800000Packaging unit:20 PC
Partition plate (terminal), dark beige, Height: 86 mm, Width: 3 mm, V-0, Wemid