Properties
| Version | Z-series, Feed-through terminal, Rated cross-section: 2.5 mm², Tension-clamp connection, blue, Direct mounting |
| Order No. | 1704700000 |
| Type | ZDUB 2.5-2/4AN/DB BL |
| GTIN (EAN) | 4008190948498 |
| Qty. | 100 items |
| Depth | 24 mm |
| Depth (inches) | 0.945 inch |
| Height | 33.5 mm |
| Height (inches) | 1.319 inch |
| Width | 10.2 mm |
| Width (inches) | 0.402 inch |
| Net weight | 6.99 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. | -50 °C |
| Continuous operating temp., max. | 120 °C |
| RoHS Compliance Status | Compliant without exemption |
| REACH SVHC | No SVHC above 0.1 wt% |
| Material | Wemid |
| Colour | blue |
| UL 94 flammability rating | V-0 |
| Certificate No. (ATEX) | DEMKO16ATEX1808U |
| Certificate No. (IECEX) | IECEXULD16.0036U |
| Max. voltage (ATEX) | 550 V |
| Current (ATEX) | 21 A |
| Wire cross section max. (ATEX) | 2.5 mm² |
| Max. voltage (IECEX) | 550 V |
| Current (IECEX) | 21 A |
| Wire cross section max. (IECEX) | 2.5 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 |
Tension-clamp connection
can only be bridged at the clamping point One end without connector |
| End cover plate required | Yes |
| Number of potentials | 1 |
| Number of levels | 1 |
| Number of clamping points per level | 4 |
| Number of potentials per tier | 1 |
| Levels cross-connected internally | Yes |
| PE connection | No |
| Rail | TS 35 |
| N-function | Yes |
| PE function | No |
| PEN function | No |
| Explosion-tested version | Yes |
| Installation advice | Direct mounting |
| Open sides | right |
| Type of mounting | Direct mounting |
| Connection type, additional connection | Tension-clamp connection |
| Blade size | 0.6 x 3.5 mm |
| Clamping range, max. | 4 mm² |
| Clamping range, min. | 0.13 mm² |
| Connection cross-section, stranded, max. | 4 mm² |
| Connection cross-section, stranded, min. | 0.5 mm² |
| Connection direction | top |
| Gauge to IEC 60947-1 | A2 |
| Number of connections | 4 |
| Stripping length | 10 mm |
| Type of connection | Tension-clamp connection |
| Wire connection cross section AWG, max. | AWG 12 |
| Wire connection cross section AWG, min. | AWG 26 |
| Wire connection cross section, finely stranded, max. | 2.5 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. | 1.5 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. | 1.5 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) | 12400-379 |
| Current size C (CSA) | 25 A |
| Voltage size C (CSA) | 600 V |
| Wire cross section max. (CSA) | 12 AWG |
| Wire cross section min. (CSA) | 26 AWG |
| TS 15 offset | 17 mm |
| Installation advice | Direct mounting |
| Rail | TS 35 |
| Standards | IEC 60947-7-1 |
| Wire connection cross section AWG, max. | AWG 12 |
| Wire connection cross section AWG, min. | AWG 26 |
| Rated cross-section | 2.5 mm² |
| Rated voltage | 800 V |
| Rated DC voltage | 800 V |
| Rated current | 24 A |
| Current at maximum wires | 30 A |
| Standards | IEC 60947-7-1 |
| Volume resistance according to IEC 60947-7-x | 1.33 mΩ |
| Rated impulse withstand voltage | 8 kV |
| Power loss in accordance with IEC 60947-7-x | 0.77 W |
| Pollution severity | 3 |
| Certificate No. (cURus) | E60693 |
| Conductor size Factory wiring max. (cURus) | 12 AWG |
| Conductor size Factory wiring min. (cURus) | 26 AWG |
| Conductor size Field wiring max. (cURus) | 12 AWG |
| Conductor size Field wiring min. (cURus) | 26 AWG |
| Current size C (cURus) | 20 A |
| Voltage size C (cURus) | 600 V |
| Approval/Certificate/Document of Conformity |
[Attestation of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_68583)
[UKCA Ex Attestation of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_253973) [ATEX Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_85228) [IECEx Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_85229) [CCC Ex Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_178483) [UKCA Ex Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_253975) [Declaration of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_36873) [UKCA declaration of conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_284531) [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_216577) |
| Eplan Data Portal | [Eplan data](https://dataportal.eplan.com/part-details/WEI.1704700000) |
| CADENAS eCATALOG | [CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=1704700000) |
| WSCAD Universe | [WSCAD data](https://wscaduniverse.com/part-detail?manufacturerId=88&type=0&partNumber=1704700000&norm=0) |
| User Documentation |
[Beipackzettel_ZDUB.pdf](https://mdcop.weidmueller.com/mediadelivery/asset/900_35368)
[NTI ZDUB 2.5-2/4AN/DM/DB](https://mdcop.weidmueller.com/mediadelivery/asset/900_85232) [StorageConditionsTerminalBlocks](https://mdcop.weidmueller.com/mediadelivery/asset/900_87149) |
| 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 |
Accessories
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Item No.:1610000000Packaging unit:480 PC
ZS, Terminal marker, 10 x 5 mm, Pitch in mm (P): 5.00 Weidmueller, Allen-Bradley, white
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Item No.:2749610000Packaging unit:1 PC
Mounting tool, Blade width (B): 3.5 mm, Blade length: 100 mm, Blade thickness (A): 0.6 mm
Terminal BlocksAccessoriesEnd platesZ-Series2.5 mm²
MarkersTerminal markersMultiCardZSZS 10/5Blank
Terminal BlocksAccessoriesCross-connectionsZ-Series2.5 mm²
MarkersTerminal markersRelated markersTag holderMarker holder
Terminal BlocksAccessoriesMounting supportMounting feet
Terminal BlocksAccessoriesPartition platesZ-Series
ToolsScrewdriversVDE-insulated SlimLine screwdriverSlotted screwdriver