Properties
| Version | low voltage, Surge protection, Surge protection I / II, TN-C-S, TN-S, TT, IT with N, IT without N |
| Order No. | 2976620000 |
| Type | VPU AC I 3+1 255/12.5 LCF MB |
| GTIN (EAN) | 4099986825895 |
| Qty. | 1 items |
| Depth | 65 mm |
| Depth (inches) | 2.559 inch |
| Height | 90 mm |
| Height (inches) | 3.543 inch |
| Width | 72 mm |
| Width (inches) | 2.835 inch |
| Net weight | 430 g |
| Storage temperature | -40 °C...85 °C |
| Operating temperature | -40 °C...85 °C |
| Humidity at operating temperature | 5 - 95% rel. humidity |
| RoHS Compliance Status | Compliant without exemption |
| REACH SVHC | No SVHC above 0.1 wt% |
| Colour | black |
| Design |
Installation housing; 4TE
Insta IP 20 |
| Operating altitude | ≤ 4000 m |
| Optical function display | green = OK; red = arrester is defective - replace |
| Protection degree | IP20 in installed state |
| Rail | TS 35 |
| Segment | Power distribution |
| UL 94 flammability rating | V-0 |
| Version |
low voltage
Surge protection Surge protection I / II |
| Surge voltage category |
I
III |
| Combined pulse UOC | 6 kV |
| Discharge current (type III) | 3 kA |
| Discharge current Imax (8/20µs) N-PE | 100 kA |
| Discharge current Imax (8/20µs) wire-PE | 50 kA |
| Discharge current In (8/20µs) N-PE | 50 kA |
| Discharge current In (8/20µs) wire-PE | 20 kA |
| Energy coordination (≤10 m) |
Type I
Type II Type III |
| Follow-on current extinguishing capability Ifi | 25 kA |
| Frequency range, max. | 60 Hz |
| Frequency range, min. | 50 Hz |
| Fuse | No Fuse neccessary ≤250 A gG |
| Leakage current at Un | 0 µA |
| Lightning test current Iimp (10/350 µs) (L-PE) | 12.5 kA |
| Lightning test current, Iimp (10/350 µs) (N-PE) | 50 kA |
| Low voltage network |
TN-C-S
TN-S TT IT with N IT without N |
| Max. continuous voltage, Uc (AC) | 255 V |
| Max. continuous voltage, Uc (N-PE) | 305 V |
| Number of poles | 4 |
| Protection level Up at IN (L/N-PE) | ≤ 1.5 kV |
| Protection level Up at IN (N-PE) | ≤ 1.5 kV |
| Rated voltage (AC) | 230 V |
| Requirements category acc. to IEC 61643-11 |
Type I
Type II |
| Requirements class, acc. to EN 61643-11 |
T1
T2 |
| Response time | <100 ns |
| Short-circuit current rating ISCCR | 25 kA |
| Signalling contact | No |
| Standards |
IEC 61643-11
EN 61643-11 |
| Temporary surge voltage (over-voltage) - TOV | 442 V |
| Voltage type | AC |
| Stripping length | 18 mm |
| Wire connection method | Screw connection |
| Type of connection | Screw connection |
| Tightening torque, min. | 3 Nm |
| Tightening torque, max. | 4.5 Nm |
| Clamping range, rated connection | 16 mm² |
| Clamping range, min. | 1.5 mm² |
| Clamping range, max. | 35 mm² |
| Wire cross-section, solid, min. | 1.5 mm² |
| Wire cross-section, solid, max. | 35 mm² |
| Wire connection cross section, finely stranded, min. | 1.5 mm² |
| Wire connection cross section, finely stranded, max. | 35 mm² |
| Conductor cross-section, flexible, AEH (DIN 46228-1), max. | 25 mm² |
| Connection cross-section, stranded, min. | 1.5 mm² |
| Connection cross-section, stranded, max. | 35 mm² |
| Voltage type | AC |
| Number of poles | 4 |
| Protection degree | IP20 in installed state |
| Colour | black |
| Time interval | 5 years |
| Approval/Certificate/Document of Conformity | [EU_Konformitätserklärung / EU_Declaration_of_Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_306730) |
| Engineering Data | [CAD data -- STEP](https://mdcop.weidmueller.com/mediadelivery/asset/900_313966) |
| Eplan Data Portal | [Eplan data](https://dataportal.eplan.com/part-details/WEI.2976620000) |
| CADENAS eCATALOG | [CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=2976620000) |
| User Documentation | [Beipackzettel / Instruction sheet](https://mdcop.weidmueller.com/mediadelivery/asset/900_310191) |
| Catalogues | [Catalogues in PDF-format](LINK/Catalog.html) |
| Product-Icon 10 | [MAM_Cumulus:93390](null) |
| ETIM 6.0 | EC000941 |
| ETIM 7.0 | EC000941 |
| ETIM 8.0 | EC000941 |
| ETIM 9.0 | EC000941 |
| ECLASS 9.0 | 27-13-08-05 |
| ECLASS 9.1 | 27-13-08-05 |
| ECLASS 10.0 | 27-13-08-05 |
| ECLASS 11.0 | 27-13-08-05 |
| ECLASS 12.0 | 27-17-90-90 |
| ECLASS 13.0 | 27-17-90-90 |
| ECLASS 14.0 | 27-17-90-90 |
| Approvals |   |
| ROHS | Conform |