VPU AC II US 2 277/50
VPU AC II US 2 277/50
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Schematic circuit diagram

VPU AC II US 2 277/50

Surge voltage arrester, Low voltage, Surge protection, Single-phase, TN-S

Art.-Nr. 2730630000
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Approvals General ordering data Dimensions and weights Temperatures Environmental Product Compliance Jmenovité údaje UL Connection data, remote alert General data Insulation coordination acc. to EN 50178 Rated data IEC / EN Dati di collegamento Electrical data General data Hodnocení 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
Shoda 
UL File Number Search
[Web UL](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, Single-phase, TN-S 
Order No.
2730630000 
Type
VPU AC II US 2 277/50 
GTIN (EAN)
4050118807479 
Qty.
1 Stück

Dimensions and weights

Depth
68 mm
Depth (inches)
2,677 inch
深度（含 DIN 导轨）
76 mm
Height
90 mm
Height (inches)
3,543 inch
Width
36 mm
Šířka (v palcích)
1,417 inch
Mounting dimension - height
75 mm
Net weight
259 g

Temperatures

Storage temperature
-40 °C...85 °C 
Ambient temperature
-40 °C…85 °C 
Operating temperature
-40 °C...85 °C 
Humedad
5 - 95% de humedad rel. 

Environmental Product Compliance

RoHS Compliance Status
Compliant without exemption 
REACH SVHC
Ne SVHC nad 0,1 wt% 

Jmenovité údaje 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)
350 V
SCCR
200 kA
In
20 kA
Categoria
SPD TYPE 1 
Sezione di collegamento AWG, min.
AWG 14 
Przekrój przyłącza AWG, maks.
AWG 6 
주변 온도(작동) 최저
-40 °C
MODE
all modes 
VPR (L-N)
2.000 V
VPR (L-PE)
1.000 V
Voltage type
AC 
UL Energy Networks
Split-Phase 

Connection data, remote alert

Connection type
PUSH IN 

General data

Colour
orange 
black 
Design
Installation housing; 2TE 
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
Защита от перенапряжения 

Insulation coordination acc. to EN 50178

Pollution severity
2 
Surge voltage category
III 

Rated data IEC / EN

Discharge current Imax (8/20µs) N-PE
50 kA 
Discharge current Imax (8/20µs) wire-PE
50 kA 
Discharge current In (8/20µs) N-PE
20 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 protection
No Fuse neccessary ≤315 A gG 
250 A gG @50 kA Isccr 
315 A gG @25 kA Isccr 
Integrated back-up fuse
No 
Leakage current at Un
0,3 mA
Low voltage network
Single-phase 
TN-S 
Max. continuous voltage, Uc (AC)
350 V 
Number of poles
2 
Protection level Up at IN (L/N-PE)
≤ 1.75 kV 
Rated voltage (AC)
277 V
Requirements category acc. to IEC 61643-11
Typ II 
Requirements class, acc. to EN 61643-11
T2 
T3 
Response time / fallback 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
403 V
Voltage type
AC 

Dati di collegamento

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
Utahovací moment, max.
4,5 Nm
Sección de embornado, conexión nominal
16 mm²
Sección de embornado, mín.
1,5 mm²
Sección de embornado, máx.
35 mm²
Sección de conexión del conductor AWG, min.
AWG 16 
Sección de conexión del conductor AWG, máx.
AWG 2 
Wire cross-section, solid, min.
1,5 mm²
Sección de conexión del conductor, rígido, max.
35 mm²
Wire connection cross section, finely stranded, min.
4 mm²
Wire connection cross section, finely stranded, max.
25 mm²
Section de raccordement du conducteur, souple, embout (DIN 46228-1), min.
2,5 mm²
Section de raccordement du conducteur, souple, embout (DIN 46228-1), max.
35 mm²
Sezione di collegamento, semirigida, min.
1,5 mm²
Sezione di collegamento, semirigida, max.
35 mm²

Electrical data

Voltage type
AC 

General data

Number of poles
2 
Protection degree
IP20 felszerelt állapotban 
Colori
arancione 
nero 

Hodnocení IECEx/ATEX/cUL

Certificate no. (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