VPU AC II US 3 R 277/50
VPU AC II US 3 R 277/50
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Schematic circuit diagram

VPU AC II US 3 R 277/50

Scaricatore di sovratensioni, Bassa tensione, Protezione contro le sovratensioni, con contatto remoto, TN-C

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Omologazioni Általános rendelési adatok Dimensioni e pesi Temperature Conformità ambientale del prodotto Rated data UL Connection data, remote alert General data Insulation coordination acc. to EN 50178 Rated data IEC / EN Connection data 전기 데이터 General data Ratings IECEx/ATEX/cUL Guarantee Classifications

Omologazioni

Homologaciones
![](https://mdcop.weidmueller.com.cn/mediadelivery/rendition/900_319222/-S800/-T1z1mm-S80) 
![](https://mdcop.weidmueller.com.cn/mediadelivery/rendition/900_319228/-S800/-T1z1mm-S80) 
![](https://mdcop.weidmueller.com.cn/mediadelivery/rendition/900_319263/-S800/-T1z1mm-S80) 
ROHS
Conform 
UL File Number Search
[UL Website](https://database.ul.com/cgi-bin/XYV/cgifind/LISEXT/1FRAME/gfilenbr.html) 
Certificate no. (cULus)
E354261 

Általános rendelési adatok

Ausfuehrung
Scaricatore di sovratensioni, Bassa tensione, Protezione contro le sovratensioni, con contatto remoto, TN-C 
Order No.
2730600000 
Type
VPU AC II US 3 R 277/50 
GTIN (EAN)
4050118807509 
Cantidad
1 items

Dimensioni e pesi

Depth
68 mm
Depth (inches)
2,677 inch
Depth including DIN rail
76 mm
Height
104,5 mm
Height (inches)
4,114 inch
Width
54 mm
Width (inches)
2,126 inch
Mounting dimension - height
75 mm
Net weight
387 g

Temperature

Temperatura di magazzinaggio
-40 °C...85 °C 
Температура окружающей среды
-40 °C…85 °C 
Température de fonctionnement
-40 °C...85 °C 
Humidity
5 - 95% rel. humidity 

Conformità ambientale del prodotto

RoHS megfelelőségi állapot
Conforme senza esenzione 
REACH SVHC
No SVHC above 0.1 wt% 

Rated data UL

Ambient temperature (operational), max.
85 °C
Rated Voltage UN
277 V
MCOV (L-PE)
350 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)
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 
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 
Design
Installation housing; 3TE 
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

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 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
0,5 mA
Low voltage network
TN-C 
Mains voltage
277 V / 480 V 
Max. continuous voltage, Uc (AC)
350 V 
Number of poles
3 
Protection level Up at IN (L/N-PE)
≤ 1.75 kV 
Rated voltage (AC)
277 V
Requirements category acc. to IEC 61643-11
Type 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
250 V 1A 1CO 
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 

Connection data

Stripping length
18 mm
Wire connection method
Винтовое соединение 
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
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

전기 데이터

Voltage type
AC 

General data

Number of poles
3 
Protection degree
IP20 in installed state 
Colour
orange 
black 

Ratings 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