VPU AC II US 3+1 277/50

Surge voltage arrester, Low voltage, Surge protection, TN-C-S, TN-S, TT, IT with N, IT without N

Item No. 2730670000

Version	Surge voltage arrester, Low voltage, Surge protection, TN-C-S, TN-S, TT, IT with N, IT without N
Order No.	2730670000
Type	VPU AC II US 3+1 277/50
GTIN (EAN)	4050118807431
Qty.	1 items

RoHS Compliance Status	Compliant without exemption
REACH SVHC	No SVHC above 0.1 wt%

Ambient temperature (operational), max.	85 °C
Rated Voltage U_N	277 V
VPR (N-PE)	1,000 V
MCOV (L-PE)	350 V
MCOV (N-PE)	305 V
SCCR	200 kA
I_n	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-N)	1,500 V
VPR (L-PE)	3,000 V
Voltage type	AC
UL Energy Networks	3-phase WYE High-Leg Delta

Colour	orange black blue
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	Surge protection

Pollution severity	2
Surge voltage category	III

Discharge current I_max (8/20µs) N-PE	65 kA
Discharge current I_max (8/20µs) wire-PE	50 kA
Discharge current I_n (8/20µs) N-PE	40 kA
Discharge current I_n (8/20µs) wire-PE	20 kA
Energy coordination (≤10 m)	Type II Type III
Follow-on current extinguishing capability I_fi	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 U_n	1 µA
Low voltage network	TN-C-S TN-S TT IT with N IT without N
Mains voltage	277 V / 480 V
Max. continuous voltage, Uc (AC)	350 V
Max. continuous voltage, Uc (N-PE)	305 V
Number of poles	4
Protection level U_p at I_N (L/N-PE)	≤ 1.75 kV
Protection level U_p at I_N (N-PE)	≤ 1.5 kV
Rated voltage (AC)	277 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 I_SCCR	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	403 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

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_212266)
Eplan Data Portal	[Eplan data](https://dataportal.eplan.com/part-details/WEI.2730670000)
CADENAS eCATALOG	[CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=2730670000)
User Documentation	[Beipackzettel / Instruction sheet](https://mdcop.weidmueller.com/mediadelivery/asset/900_188076)
Catalogues	[Catalogues in PDF-format](LINK/Catalog.html)

Approvals	![CE](/picture/CE.gif) ![CULUS](/picture/CULUS.gif) ![VDE](/picture/VDE.gif)
ROHS	Conform
UL File Number Search	[UL Website](LINK/UL_search.html)
Certificate no. (cULus)	E354261