Properties
| Version | Surge voltage arrester, Low voltage, Single-phase, TN, TT, IT with N, IT without N |
| Order No. | 2908500000 |
| Type | VPU AC II+III 1+1 440/20 S |
| GTIN (EAN) | 4099986190917 |
| Qty. | 1 items |
| Depth | 70 mm |
| Depth (inches) | 2.756 inch |
| Height | 97 mm |
| Height (inches) | 3.819 inch |
| Width | 18 mm |
| Width (inches) | 0.709 inch |
| Net weight | 148 g |
| Operating temperature | -40 °C...85 °C |
| REACH SVHC | / |
| RoHS Compliance Status | Compliant without exemption |
| Colour | grey |
| Design |
Installation housing; 1TE
Insta IP 20 |
| Operating altitude | ≤ 2000 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 |
| Pollution severity | 2 |
| Surge voltage category | III |
| Combined pulse UOC | 6 kV |
| Discharge current (type III) | 3 kA |
| Discharge current Imax (8/20µs) N-PE | 40 kA |
| Discharge current Imax (8/20µs) wire-PE | 20 kA |
| Discharge current In (8/20µs) N-PE | 20 kA |
| Discharge current In (8/20µs) wire-PE | 10 kA |
| Energy coordination (≤10 m) |
Type II
Type III |
| Frequency range, max. | 60 Hz |
| Frequency range, min. | 50 Hz |
| Fuse | No Fuse neccessary ≤100 A gG |
| Low voltage network |
Single-phase
TN TT IT with N IT without N |
| Max. continuous voltage, Uc (AC) | 440 V |
| Max. continuous voltage, Uc (N-PE) | 255 V |
| Number of poles | 2 |
| Protection level Up at IN (L/N-PE) | ≤ 1.7 kV |
| Protection level Up at IN (N-PE) | ≤ 1.5 kV |
| Protection level Up at IN (L-PE) (type III) | ≤1 kV |
| Protection level Up at IN (N-PE) (type III) | ≤1,4 kV |
| Rated voltage (AC) | 230 V |
| Requirements category acc. to IEC 61643-11 |
Type II
Type III |
| Requirements class, acc. to EN 61643-11 |
T2
T3 |
| Response time | ≤ 25 ns |
| Short-circuit current rating ISCCR | 25 kA |
| Signalling contact | No |
| Standards |
IEC 61643-11
EN 61643-11 |
| Temporary surge voltage (over-voltage) - TOV | 440 V |
| Voltage type | AC |
| Conductor connection cross-section PE, solid, max. | 35 mm² |
| Conductor connection cross-section PE, stranded, max. | 35 mm² |
| Stripping length | 13 mm |
| Wire connection method | Screw connection |
| Type of connection | Screw connection |
| Stripping length, rated connection | 13 mm |
| Tightening torque, min. | 1.2 Nm |
| Tightening torque, max. | 2 Nm |
| Clamping range, rated connection | 10 mm² |
| Clamping range, min. | 2.5 mm² |
| Clamping range, max. | 35 mm² |
| Wire cross-section, solid, min. | 2.5 mm² |
| Wire cross-section, solid, max. | 10 mm² |
| Wire connection cross section, finely stranded, min. | 2.5 mm² |
| Wire connection cross section, finely stranded, max. | 6 mm² |
| Connection cross-section, stranded, min. | 2.5 mm² |
| Connection cross-section, stranded, max. | 10 mm² |
| Time interval | 5 years |
| Product information | For use in DC applications, please use the fuse of SIBA Type NH2XL aR/aSF DC 1500 V |
| Approval/Certificate/Document of Conformity | [EU_Konformitätserklärung / EU_Declaration_of_Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_298531) |
| Engineering Data | [CAD data -- STEP](https://mdcop.weidmueller.com/mediadelivery/asset/900_305231) |
| Tender specification | [Ausschreibungstext DE](https://mdcop.weidmueller.com/mediadelivery/asset/900_179607) |
| User Documentation | [Beipackzettel / Instruction Sheet](https://mdcop.weidmueller.com/mediadelivery/asset/900_298514) |
| Catalogues | [Catalogues in PDF-format](LINK/Catalog.html) |
| 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 |