VPU AC II US 4 277/50
VPU AC II US 4 277/50
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Schematic circuit diagram

VPU AC II US 4 277/50

Surge voltage arrester, Low voltage, Surge protection, TN-C-S, TN-S

Ürün No. 2730610000
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Approvals General ordering data Dimensions and weights Temperatures Environmental Product Compliance Rated data UL Connection data, remote alert General data Insulation coordination acc. to EN 50178 Rated data IEC / EN Connection data Electrical data General data Ratings IECEx/ATEX/cUL Guarantee Classifications

Approvals

Approvals
![](https://assets.dam.weidmueller.com/assets/api/98e12ea5-58f4-450a-9983-f439987b3951/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/0d1637a4-c7dd-4915-8bc8-4c9de8d8b393/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/756ea985-024d-4142-85a7-acc2e9775394/DAP_Master_ICON,w_80,q_80) 
ROHS
Conform 
UL File Number Search
[UL Website](https://database.ul.com/cgi-bin/XYV/cgifind/LISEXT/1FRAME/gfilenbr.html) 
Certificate no. (cULus)
E354261 

General ordering data

Version
Surge voltage arrester, Low voltage, Surge protection, TN-C-S, TN-S 
Order No.
2730610000 
Type
VPU AC II US 4 277/50 
GTIN (EAN)
4050118807493 
Qty.
1 adet

Dimensions and weights

Depth
68 mm
Depth (inches)
2,677 inch
Depth including DIN rail
76 mm
Height
90 mm
Height (inches)
3,543 inch
Width
72 mm
Width (inches)
2,835 inch
Mounting dimension - height
75 mm
Net weight
480 g

Temperatures

Storage temperature
-40 °C...85 °C 
Ambient temperature
-40 °C…85 °C 
Operating temperature
-40 °C...85 °C 
Humidity
5 - 95% rel. humidity 

Environmental Product Compliance

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

Rated data UL

Ambient temperature (operational), max.
85 °C
정격 전압 UN
277 V
VPR (N-PE)
1.000 V
MCOV (L-PE)
350 V
MCOV (N-PE)
350 V
SCCR
200 kA
In
20 kA
Kategória
SPD TYPE 1 
Sezione di collegamento AWG, min.
AWG 14 
Przekrój przyłącza AWG, maks.
AWG 6 
Ambient temperature (operational), min.
-40 °C
MODE
all modes 
VPR (L-L)
2.000 V
VPR (L-N)
2.000 V
VPR (L-PE)
1.000 V
Voltage type
AC 
UL Energy Networks
3-phase WYE 

Connection data, remote alert

Connection type
PUSH IN 

General data

IP20 in installed state 
Altitud de funcionamiento
≤ 4000 m 
Ausführung
Surge protection 
Bauform
Installation housing; 4TE 
Insta IP 20 
Carril de montaje
TS 35 
Color
orange 
black 
Grado inflamabilidad según UL 94
V-0 
Optical function display
green = OK; red = arrester is defective - replace 
Segment
Power distribution 

Insulation coordination acc. to EN 50178

Pollution severity
2 
Surge voltage category
III 

Rated data IEC / EN

Classe d'exigence selon EN 61643-11
T2 
T3 
Discharge current Imax (8/20µs) wire-PE
50 kA 
Discharge current In (8/20µs) N-PE
40 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 
Fuse protection
No Fuse neccessary ≤315 A gG 
250 A gG @50 kA Isccr 
315 A gG @25 kA Isccr 
IEC 61643-11에 따른 요건 범주
Type II 
Integrated back-up fuse
No 
Leakage current at Un
0,5 mA
Low voltage network
TN-C-S 
TN-S 
Normes
IEC 61643-11 
EN 61643-11 
UL 1449 
NFPA 79 
Number of poles
4 
Plage de fréquence, max.
60 Hz
Plage de fréquence, min.
50 Hz
Protection level Up at IN (L/N-PE)
≤ 1.75 kV 
Rated voltage (AC)
277 V
Response time / fallback time
≤ 25 ns 
Short-circuit current rating ISCCR
50 kA
Signalling contact
No 
SPD type
T2 
Temporary surge voltage (over-voltage) - TOV
403 V
Voltage type
AC 
Разрядный ток, Iмакс. (8/20 мкс) (ноль – земля)
50 kA 
주전압
277 V / 480 V 
최대 연속 전압, Uc(AC)
350 V 

Connection data

Longitud de desaislado
18 mm
Vezetékcsatlakozás-technika
Screw connection 
Csatlakozás típusa
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 16 
Wire connection cross section AWG, max.
AWG 2 
Wire cross-section, solid, min.
1,5 mm²
Wire cross-section, solid, max.
35 mm²
Wire connection cross section, finely stranded, min.
4 mm²
Wire connection cross section, finely stranded, max.
25 mm²
Conductor cross-section, flexible, AEH (DIN 46228-1), min.
2,5 mm²
Conductor cross-section, flexible, AEH (DIN 46228-1), max.
35 mm²
Průřez připojení vodičů, splétané, min.
1,5 mm²
Leiteranschlussquerschnitt, mehrdrähtig, max.
35 mm²

Electrical data

Voltage type
AC 

General data

Number of poles
4 
IP20 in installed state 
Colour
orange 
black 

Ratings IECEx/ATEX/cUL

Tanúsítvány száma (cULus)
E354261 

Guarantee

Time interval
5 years 

Classifications

ETIM 8.0
EC000941 
ETIM 9.0
EC000941 
ETIM 10.0
EC000941 
ECLASS 14.0
27-17-12-02 
ECLASS 15.0
27-17-12-02