Properties
| Version | Single- and multi-pole terminal strip, Screw connection, medium yellow, 4 mm², 32 A, 400 V, Number of connections: 4, Number of levels: 1, V-0, 5VA, KrG |
| Order No. | 7906040000 |
| Type | BK 2/E |
| GTIN (EAN) | 4008190576240 |
| Qty. | 100 items |
| Depth | 20 mm |
| Depth (inches) | 0.787 inch |
| Height | 20 mm |
| Height (inches) | 0.787 inch |
| Width | 22 mm |
| Width (inches) | 0.866 inch |
| Net weight | 14.64 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 | KrG |
| Colour | medium yellow |
| UL 94 flammability rating |
V-0
5VA |
| Certificate No. (ATEX) | TUEV18ATEX8209U |
| Certificate No. (IECEX) | IECEXTUR18.0019U |
| Max. voltage (ATEX) | 275 V |
| Current (ATEX) | 28 A |
| Wire cross section max. (ATEX) | 4 mm² |
| Max. voltage (IECEX) | 275 V |
| Current (IECEX) | 28 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 | For the mounting rails |
| End cover plate required | No |
| Number of levels | 1 |
| Rail | Mounting plate |
| Explosion-tested version | No |
| Installation advice | Direct mounting |
| Type of mounting | Direct mounting |
| Connection type, additional connection | Screw connection |
| Blade size | 4.0 x 0.8 mm |
| Clamping range, max. | 4 mm² |
| Clamping range, min. | 0.33 mm² |
| Clamping screw | M 3 |
| Connection cross-section, stranded, max. | 4 mm² |
| Connection cross-section, stranded, min. | 1.5 mm² |
| Connection direction | on side |
| Gauge to IEC 60947-1 | A3 |
| Number of connections | 4 |
| Stripping length | 8 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 12 |
| Wire connection cross section AWG, min. | AWG 22 |
| 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. | 4 mm² |
| Wire connection cross-section, solid core, min. | 0.5 mm² |
| Certificate No. (CSA) | 200039-2165696 |
| 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) | 12 AWG |
| Wire cross section min. (CSA) | 22 AWG |
| Fixing dimension | 11 mm |
| Installation advice | Direct mounting |
| Number of poles | 2 |
| Rail | Mounting plate |
| Standards | IEC 60947-7-1 |
| Wire connection cross section AWG, max. | AWG 12 |
| Wire connection cross section AWG, min. | AWG 22 |
| Rated cross-section | 4 mm² |
| Rated voltage | 400 V |
| Rated DC voltage | 400 V |
| Rated current | 32 A |
| Current at maximum wires | 32 A |
| Standards | IEC 60947-7-1 |
| 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. (UR) | E60693 |
| Conductor size Factory wiring max. (UR) | 12 AWG |
| Conductor size Factory wiring min. (UR) | 26 AWG |
| Conductor size Field wiring max. (UR) | 12 AWG |
| Conductor size Field wiring min. (UR) | 22 AWG |
| Current size B (UR) | 20 A |
| Current size C (UR) | 20 A |
| Current size D (UR) | 10 A |
| Voltage size B (UR) | 250 V |
| Voltage size C (UR) | 150 V |
| Voltage size D (UR) | 300 V |
| Wire cross section max. (UR) | 12 AWG |
| Wire cross section min. (UR) | 22 AWG |
| Approval/Certificate/Document of Conformity |
[Attestation Of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_35520)
[UKCA Ex Attestation of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_253952) [ATEX Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_68751) [IECEx Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_68757) [CB Test Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_89247) [CB Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_89250) [CCC Ex Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_178471) [UKCA Ex Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_253951) [Declaration of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_36395) [UKCA declaration of conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_284523) |
| Engineering Data | [CAD data -- STEP](https://mdcop.weidmueller.com/mediadelivery/asset/900_66574) |
| Eplan Data Portal | [Eplan data](https://dataportal.eplan.com/part-details/WEI.7906040000) |
| CADENAS eCATALOG | [CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=7906040000) |
| Product Change Notification | [PCN_BK_20190405](https://mdcop.weidmueller.com/mediadelivery/asset/900_87124) |
| User Documentation |
[NTI BK 2-12/E](https://mdcop.weidmueller.com/mediadelivery/asset/900_80368)
[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 |