Properties
| Version | Test-disconnect terminal, Tension-clamp connection, 2.5 mm², 400 V, 10 A, Pivoting, blue |
| Order No. | 1779120000 |
| Type | ZTR 2.5-2 BL |
| GTIN (EAN) | 4032248184675 |
| Qty. | 50 items |
| Depth | 43.5 mm |
| Depth (inches) | 1.713 inch |
| Depth including DIN rail | 44 mm |
| Height | 50.5 mm |
| Height (inches) | 1.988 inch |
| Width | 5.1 mm |
| Width (inches) | 0.201 inch |
| Net weight | 6.61 g |
| Storage temperature | -25 °C...55 °C |
| 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 |
| Version |
Tension-clamp connection
Spacer for plug-in cross-connector One end without connector |
| 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 | Yes |
| PE function | No |
| PEN function | No |
| Explosion-tested version | No |
| Installation advice | Direct mounting |
| Open sides | right |
| Type of mounting | Snap-on |
| Conductor cross-section, flexible plus plastic collar DIN 46228/1, further connection, max. | 1.5 mm² |
| Connection type, additional connection | Tension-clamp connection |
| Blade size | 0.6 x 3.5 mm |
| Clamping range, max. | 2.5 mm² |
| Clamping range, min. | 0.13 mm² |
| Connection cross-section, stranded, max. | 4 mm² |
| Connection cross-section, stranded, min. | 0.5 mm² |
| Connection direction | Inclined / angled |
| Gauge to IEC 60947-1 | A2 |
| Number of connections | 2 |
| Stripping length | 10 mm |
| Type of connection | Tension-clamp connection |
| Type of connection 2 | 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. | 2.5 mm² |
| Wire connection cross-section, solid core, min. | 0.5 mm² |
| Certificate No. (CSA) | 200039-1152892 |
| Current size B (CSA) | 10 A |
| Current size C (CSA) | 10 A |
| Current size D (CSA) | 10 A |
| Voltage size B (CSA) | 300 V |
| Voltage size C (CSA) | 300 V |
| Voltage size D (CSA) | 300 V |
| Wire cross section max. (CSA) | 12 AWG |
| Wire cross section min. (CSA) | 26 AWG |
| Cross-disconnect | without |
| Integral test socket | No |
| Slitting | Pivoting |
| 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 | 400 V |
| Rated DC voltage | 400 V |
| Rated current | 10 A |
| Current at maximum wires | 21 A |
| Standards | IEC 60947-7-1 |
| Volume resistance according to IEC 60947-7-x | 1.33 mΩ |
| Rated impulse withstand voltage | 6 kV |
| Power loss in accordance with IEC 60947-7-x | 0.77 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) | 26 AWG |
| Current size D (UR) | 10 A |
| Voltage size D (UR) | 300 V |
| Approval/Certificate/Document of Conformity |
[RINA Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_293477)
[CB Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_312356) [CB Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_312358) [DNV Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_320351) [Declaration of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_36786) [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_63650) |
| Eplan Data Portal | [Eplan data](https://dataportal.eplan.com/part-details/WEI.1779120000) |
| CADENAS eCATALOG | [CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=1779120000) |
| WSCAD Universe | [WSCAD data](https://wscaduniverse.com/part-detail?manufacturerId=88&type=0&partNumber=1779120000&norm=0) |
| User Documentation | [StorageConditionsTerminalBlocks](https://mdcop.weidmueller.com/mediadelivery/asset/900_87149) |
| Catalogues | [Catalogues in PDF-format](LINK/Catalog.html) |
| ETIM 6.0 | EC000902 |
| ETIM 7.0 | EC000902 |
| ETIM 8.0 | EC000902 |
| ETIM 9.0 | EC000902 |
| ECLASS 9.0 | 27-14-11-26 |
| ECLASS 9.1 | 27-14-11-26 |
| ECLASS 10.0 | 27-14-11-26 |
| ECLASS 11.0 | 27-14-11-26 |
| ECLASS 12.0 | 27-14-11-26 |
| ECLASS 13.0 | 27-25-01-09 |
| ECLASS 14.0 | 27-25-01-09 |
| Approvals |       |
| ROHS | Conform |
| UL File Number Search | [UL Website](LINK/UL_search.html) |
| Certificate No. (UR) | E60693 |