Properties
| Version | Surge voltage arrester, Low voltage, Surge protection, TN-C |
| Order No. | 2730720000 |
| Type | VPU AC II US 3 400/50 |
| GTIN (EAN) | 4050118807387 |
| Qty. | 1 items |
| Depth | 68 mm |
| Depth (inches) | 2.677 inch |
| Depth including DIN rail | 76 mm |
| Height | 90 mm |
| Height (inches) | 3.543 inch |
| Width | 54 mm |
| Width (inches) | 2.126 inch |
| Mounting dimension - height | 75 mm |
| Net weight | 396 g |
| Storage temperature | -40 °C...85 °C |
| Operating temperature | -40 °C...85 °C |
| Humidity | 5 - 95% rel. humidity |
| RoHS Compliance Status | Compliant without exemption |
| REACH SVHC | No SVHC above 0.1 wt% |
| Ambient temperature (operational), max. | 85 °C |
| Rated Voltage UN | 400 V |
| MCOV (L-PE) | 480 V |
| SCCR | 200 kA |
| In | 20 kA |
| Category | SPD TYPE 1 |
| Connection cross-section AWG, min. | AWG 14 |
| Connection cross-section AWG, max. | AWG 6 |
| Ambient temperature (operational), min. | -40 °C |
| MODE | all modes |
| VPR (L-L) | 3,000 V |
| VPR (L-PE) | 1,500 V |
| Voltage type | AC |
| UL Energy Networks | 3-phase WYE |
| Colour |
orange
black |
| Design |
Installation housing; 3TE
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 | Surge protection |
| Pollution severity | 2 |
| Surge voltage category | III |
| Discharge current Imax (8/20µs) wire-PE | 50 kA |
| Discharge current In (8/20µs) wire-PE | 20 kA |
| Energy coordination (≤10 m) |
Type II
Type III |
| Follow-on current extinguishing capability Ifi | Follow current need not be taken into account |
| Frequency range, max. | 60 Hz |
| Frequency range, min. | 50 Hz |
| Fuse |
No Fuse neccessary ≤315 A gG
250 A gG @50 kA Isccr 315 A gG @25 kA Isccr |
| Leakage current at Un | 0.3 mA |
| Low voltage network | TN-C |
| Mains voltage | 230 V / 400 V |
| Max. continuous voltage, Uc (AC) | 480 V |
| Number of poles | 3 |
| Protection level Up at IN (L/N-PE) | ≤ 2.3 kV |
| Rated voltage (AC) | 400 V |
| Requirements category acc. to IEC 61643-11 | Type II |
| Requirements class, acc. to EN 61643-11 | T2 |
| Response time | ≤ 25 ns |
| Short-circuit current rating ISCCR | 50 kA |
| Signalling contact | No |
| SPD type | T2 |
| Standards |
IEC 61643-11
EN 61643-11 UL 1449 NFPA 79 |
| Temporary surge voltage (over-voltage) - TOV | 581 V |
| Voltage type | AC |
| Stripping length | 18 mm |
| Wire connection method | Screw connection |
| Type of connection | Screw connection |
| Stripping length, rated connection | 18 mm |
| 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 connection cross section AWG, min. | AWG 14 |
| Wire connection cross section AWG, max. | AWG 6 |
| Wire cross-section, solid, min. | 2.5 mm² |
| Wire cross-section, solid, max. | 35 mm² |
| Wire connection cross section, finely stranded, min. | 4 mm² |
| Wire connection cross section, finely stranded, max. | 35 mm² |
| Conductor cross-section, flexible, AEH (DIN 46228-1), min. | 2.5 mm² |
| Conductor cross-section, flexible, AEH (DIN 46228-1), max. | 35 mm² |
| Connection cross-section, stranded, min. | 2.5 mm² |
| Connection cross-section, stranded, max. | 35 mm² |
| Voltage type | AC |
| Number of poles | 3 |
| Protection degree | IP20 in installed state |
| Colour |
orange
black |
| Certificate no. (cULus) | E354261 |
| Time interval | 5 years |
| Approval/Certificate/Document of Conformity | [EU_Konformitätserklärung / EU_Declaration_of_Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_157364) |
| Engineering Data | [CAD data -- STEP](https://mdcop.weidmueller.com/mediadelivery/asset/900_212269) |
| Eplan Data Portal | [Eplan data](https://dataportal.eplan.com/part-details/WEI.2730720000) |
| CADENAS eCATALOG | [CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=2730720000) |
| User Documentation | [Beipackzettel / Instruction sheet](https://mdcop.weidmueller.com/mediadelivery/asset/900_188076) |
| 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 |
| UL File Number Search | [UL Website](LINK/UL_search.html) |
| Certificate no. (cULus) | E354261 |
Accessories
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Item No.:2749890000Packaging unit:1 PC
Screwdriver, Blade width (B): 1 mm, 80 mm, Blade thickness (A): 1
-
Item No.:1880100000Packaging unit:200 PC
ESG, Device markers x 15 mm, PA 66, Colour: white, Self-adhesive
-
Item No.:2749850000Packaging unit:1 PC
Screwdriver, Blade width (B): 5.5 mm, Blade length: 125 mm, Blade thickness (A): 1 mm
ToolsScrewdriversVDE insulated screwdrivers and setsCrosshead screwdriver Phillips
MarkersDevice markersMultiCardESGESG 6/15Blank
ToolsScrewdriversVDE insulated screwdrivers and setsSlotted screwdriver
Spare parts
Lightning and Surge ProtectionSPDs for energy systemsAC voltageDIN rail TS 35Type IIVPU AC II US seriesVPU AC II US SERIES UL NFPA 79Spare arrester