VPU AC II US 3+1 R 277/50
VPU AC II US 3+1 R 277/50
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VPU AC II US 3+1 R 277/50

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

Tuotteen tunnus 2730680000
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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 Important note Classifications

Approvals

Dopuszczenia
![](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) 
Nr certyfikatu (cULus)
E354261 

General ordering data

Wersja
Surge voltage arrester, Low voltage, Surge protection, with remote contact, TN-C-S, TN-S, TT, IT with N, IT without N 
Nr zam.
2730680000 
Typ
VPU AC II US 3+1 R 277/50 
GTIN (EAN)
4050118807424 
Ilość
1 items

Dimensions and weights

Głębokość
68 mm
Depth (inches)
2,677 inch
Depth including DIN rail
76 mm
Wysokość
104,5 mm
Height (inches)
4,114 inch
Szerokość
72 mm
Width (inches)
2,835 inch
Wymiar mocowania wysokość
75 mm
Net weight
473 g

Temperatures

Temperatura magazynowania
-40 °C...85 °C 
Omgivningstemperatur
-40 °C…85 °C 
Temperatura eksploatacyjna
-40 °C...85 °C 
Humidity
5 - 95% rel. humidity 

Environmental Product Compliance

Status zgodności z dyrektywą RoHS
Compliant without exemption 
REACH SVHC
No SVHC above 0.1 wt% 

Rated data UL

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

Connection data, remote alert

Connection type
PUSH IN 
Cross-section for connected wire, solid core, max.
1,5 mm²
Cross-section for connected wire, solid core, max. (AWG)
AWG 10 
Cross-section for connected wire, solid core, min.
0,25 mm²
Cross-section for connected wire, solid core, min. (AWG)
AWG 30 
Stripping length
12 mm

General data

Colour
orange 
black 
blue 
Design
Installation housing; 4TE 
Insta IP 20 
Mounting rail
TS 35 
Operating altitude
≤ 4000 m 
Optical function display
green = OK; red = arrester is defective - replace 
Protection degree
IP20 in installed state 
Segment
Power distribution 
UL 94 flammability rating
V-0 
Version
Surge protection 
with remote contact 

Insulation coordination acc. to EN 50178

Pollution severity
2 
Surge voltage category
III 

Rated data IEC / EN

Anforderungsklasse nach EN 61643-11
T2 
T3 
Coordinamento energetico
Type II 
Type III 
Corrente di scarica In (8/20 µs) N-PE
40 kA 
Courant de fuite Imax. (8/20 µs) (N-PE)
65 kA 
Discharge current In (8/20µs) wire-PE
20 kA 
Frequency range, max.
60 Hz
Frequency range, min.
50 Hz
Fuse protection
No Fuse neccessary ≤315 A gG 
250 A gG @50 kA Isccr 
315 A gG @25 kA Isccr 
Klasa prądu zwarciowego ISCCR
50 kA
Leakage current at Un
1 µA
Low voltage network
TN-C-S 
TN-S 
TT 
IT with N 
IT without N 
Number of poles
4 
Poziom ochrony Up dla IN (L/N-PE)
≤ 1.75 kV 
Protection level Up at IN (N-PE)
≤ 1.5 kV 
Prąd wyładowczy Imaks. (8/20µs) przewód-PE
50 kA 
Rated voltage (AC)
277 V
Requirements category acc. to IEC 61643-11
Type II 
Response time / fallback time
≤ 25 ns 
Signalling contact
250 V 1A 1CO 
Standards
IEC 61643-11 
EN 61643-11 
UL 1449 
NFPA 79 
Temporary surge voltage (over-voltage) - TOV
403 V
Tension de réseau
277 V / 480 V 
Tension permanente maximum, Uc (N-PE)
305 V
Tensión continua máxima, Uc (AC)
350 V 
Typ SPD
T2 
Voltage type
AC 
Wbudowane zabezpieczenie wstępne
No 
Zdolność wygaszania prądu następczego Ifi
Follow current need not be taken into account 

Connection data

Stripping length
18 mm
Wire connection method
Screw 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 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
Connection cross-section, stranded, min.
1,5 mm²
Connection cross-section, stranded, max.
35 mm²

Electrical data

Voltage type
AC 

General data

Number of poles
4 
Protection degree
IP20 in installed state 
Colour
orange 
black 
blue 

Ratings IECEx/ATEX/cUL

Certificate no. (cULus)
E354261 

Guarantee

Time interval
5 years 

Important note

Informacje produktowe

Only applicable to IT power systems where the earth on the distribution transformer is interconnected with the earth on the consumer side (RE=RA in Figure 44.A1 of IEC 60634-4-44:2018). 

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