Properties
| Version | Test-disconnect terminal, PUSH IN, 4 mm², 250 V, 20 A, dark beige |
| Order No. | 2581710000 |
| Type | AAP21 4 DT OR |
| GTIN (EAN) | 4050118591637 |
| Qty. | 50 items |
| Depth | 55 mm |
| Depth (inches) | 2.165 inch |
| Depth including DIN rail | 55.5 mm |
| Height | 82 mm |
| Height (inches) | 3.228 inch |
| Width | 6.1 mm |
| Width (inches) | 0.24 inch |
| Net weight | 13.08 g |
| Storage temperature | -25 °C...55 °C |
| 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) | TUEV16ATEX7939U |
| Certificate No. (IECEX) | IECEXTUR16.0045U |
| Max. voltage (ATEX) | 250 V |
| Current (ATEX) | 19 A |
| Wire cross section max. (ATEX) | 4 mm² |
| Max. voltage (IECEX) | 250 V |
| Current (IECEX) | 19 A |
| Wire cross section max. (IECEX) | 4 mm² |
| Marking EN 60079-7 | Ex ec II C Gc |
| Ex 2014/34/EU label | II 2 G D |
| End cover plate required | Yes |
| Number of potentials | 1 |
| Number of levels | 1 |
| Number of clamping points per level | 2 |
| Levels cross-connected internally | No |
| Rail | TS 35 |
| Explosion-tested version | Yes |
| Installation advice | Rail |
| Open sides | right |
| Snap-on | No |
| Type of fixing | Snap-on |
| Type of mounting | TS 35 |
| With snap-in pegs | No |
| Connection type, additional connection | PUSH IN |
| Blade size | 0.6 x 3.5 mm |
| Clamping range, max. | 4 mm² |
| Clamping range, min. | 0.14 mm² |
| Connection cross-section, stranded, max. | 4 mm² |
| Connection cross-section, stranded, min. | 0.5 mm² |
| Connection direction | top |
| Gauge to IEC 60947-1 | A4 |
| Number of connections | 1 |
| Stripping length | 12 mm |
| Tube length for twin wire-end ferrule |
|
| Tube length for wire-end ferrule with plastic collar DIN 46228/4 |
|
| Tube length for wire-end ferrule without plastic collar DIN 46228/1 |
|
| Twin wire-end ferrules, max. | 1.5 mm² |
| Twin wire-end ferrules, min. | 0.5 mm² |
| Type of connection | PUSH IN |
| Wire connection cross section AWG, max. | AWG 12 |
| 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. | 4 mm² |
| Wire connection cross-section, solid core, min. | 0.5 mm² |
| Certificate No. (CSA) | 200039-70089609 |
| Current size B (CSA) | 20 A |
| Current size C (CSA) | 20 A |
| Current size D (CSA) | 10 A |
| Voltage size B (CSA) | 300 V |
| Voltage size C (CSA) | 150 V |
| Voltage size D (CSA) | 300 V |
| Wire cross section max. (CSA) | 10 AWG |
| Wire cross section min. (CSA) | 26 AWG |
| Installation advice | Rail |
| Rail | TS 35 |
| Standards | In accordance with IEC 60947-7-1 |
| Wire connection cross section AWG, max. | AWG 12 |
| Wire connection cross section AWG, min. | AWG 26 |
| Rated cross-section | 4 mm² |
| Rated voltage | 250 V |
| Rated voltage to adjoining terminal | 250 V |
| Rated DC voltage | 250 V |
| Rated current | 20 A |
| Current at maximum wires | 20 A |
| Standards | In accordance with IEC 60947-7-1 |
| Volume resistance according to IEC 60947-7-x | 1 mΩ |
| Rated impulse withstand voltage | 4 kV |
| Power loss in accordance with IEC 60947-7-x | 1.02 W |
| Pollution severity | 3 |
| Surge voltage category | III |
| Certificate No. (cURus) | E60693 |
| Conductor size Factory wiring max. (cURus) | 10 AWG |
| Conductor size Factory wiring min. (cURus) | 26 AWG |
| Conductor size Field wiring max. (cURus) | 10 AWG |
| Conductor size Field wiring min. (cURus) | 26 AWG |
| Current size B (cURus) | 20 A |
| Current size C (cURus) | 20 A |
| Current size D (cURus) | 10 A |
| Voltage size B (cURus) | 300 V |
| Voltage size C (cURus) | 150 V |
| Voltage size D (cURus) | 300 V |
| Approval/Certificate/Document of Conformity |
[ATEX certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_58164)
[Declaration of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_73646) [Attestation of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_85527) [IECEx Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_58126) [DNVGL certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_152120) [CCC Ex Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_178463) [DNV Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_320351) [UKCA declaration of conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_284539) [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_205510) |
| Eplan Data Portal | [Eplan data](https://dataportal.eplan.com/part-details/WEI.2581710000) |
| CADENAS eCATALOG | [CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=2581710000) |
| WSCAD Universe | [WSCAD data](https://wscaduniverse.com/part-detail?manufacturerId=88&type=0&partNumber=2581710000&norm=0) |
| Tender specification |
[Klippon® Connect 2581710000 EN](https://mdcop.weidmueller.com/mediadelivery/asset/900_76275)
[Klippon® Connect 2581710000 DE](https://mdcop.weidmueller.com/mediadelivery/asset/900_76277) |
| User Documentation |
[NTI AAP 21 10...](https://mdcop.weidmueller.com/mediadelivery/asset/900_85531)
[NTI AAP 21 4 FS](https://mdcop.weidmueller.com/mediadelivery/asset/900_85532) [NTI AAP 21 4 DT](https://mdcop.weidmueller.com/mediadelivery/asset/900_85533) [NTI AAP21 4 LI](https://mdcop.weidmueller.com/mediadelivery/asset/900_85534) [StorageConditionsTerminalBlocks](https://mdcop.weidmueller.com/mediadelivery/asset/900_87149) [AAP Terminal Blocks for control voltage distribution](https://mdcop.weidmueller.com/mediadelivery/asset/900_102992) [User Manual ADT](https://mdcop.weidmueller.com/mediadelivery/asset/900_229203) |
| Catalogues | [Catalogues in PDF-format](LINK/Catalog.html) |
| ETIM 6.0 | EC000897 |
| ETIM 7.0 | EC000897 |
| ETIM 8.0 | EC000897 |
| ETIM 9.0 | EC000897 |
| ECLASS 9.0 | 27-14-11-20 |
| ECLASS 9.1 | 27-14-11-20 |
| ECLASS 10.0 | 27-14-11-20 |
| ECLASS 11.0 | 27-14-11-20 |
| ECLASS 12.0 | 27-14-11-20 |
| ECLASS 13.0 | 27-25-01-01 |
| ECLASS 14.0 | 27-25-01-01 |
| Approvals |          |
| ROHS | Conform |
| UL File Number Search | [UL Website](LINK/UL_search.html) |
| Certificate No. (cURus) | E60693 |
| Certificate No. (cURusEX) | E184763 |