VPU AC II 4 350/50
VPU AC II 4 350/50
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Schematic circuit diagram

VPU AC II 4 350/50

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

Produkt ID 2591120000
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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 Guarantee Important note Product images 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/33feeb02-46e9-4a14-9d79-8ec5ee409fe3/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. (cURus)
E354261 

General ordering data

Version
Surge voltage arrester, Low voltage, Surge protection, TN-C-S, TN-S 
Order No.
2591120000 
Type
VPU AC II 4 350/50 
GTIN (EAN)
4050118599817 
Qty.
1 Styk

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
Net weight
500 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
Rated Voltage UN
277 V
VPR (N-PE)
1.000 V
MCOV (L-PE)
350 V
MCOV (L/N-PE)
350 V
MCOV (N-PE)
350 V
SCCR
200 kA
In
20 kA
Category
SPD TYPE 1CA 
Ambient temperature (operational), min.
-40 °C
Certificate No. (cURus)
E354261 
MODE
all modes 
VPR (L-L)
2.000 V
VPR (L-N)
2.000 V
VPR (L-PE)
1.000 V
Voltage type
AC 
Energetické sítě UL
3-phase WYE 

Connection data, remote alert

Connection type
PUSH IN 

General data

Forma
Installation housing; 4TE 
Insta IP 20 
Indicación óptica de funcionamiento
green = OK; red = arrester is defective - replace 
Operating altitude
≤ 4000 m 
Szegmens
Power distribution 
UL 94 가연성 등급
V-0 
Versione
Surge protection 
보호 등급
IP20 in installed state 
장착 레일
TS 35 
컬러 코드
orange 
black 

Insulation coordination acc. to EN 50178

Pollution severity
2 
Surge voltage category
III 

Rated data IEC / EN

Combined pulse UOC
6 kV
Discharge current (type III)
3 kA
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
0,7 mA
Low voltage network
TN-C-S 
TN-S 
Number of poles
4 
Protection level Up at IN (L/N-PE)
≤ 1.75 kV 
Protection level Up at IN (N-PE)
≤ 1.5 kV 
Rated voltage (AC)
230 V
Requirements category acc. to IEC 61643-11
Type II 
Type III 
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 
Temporary surge voltage (over-voltage) - TOV
403 V
Voltage type
AC 
최대 연속 전압, Uc(AC)
350 V 

Connection data

탈피 길이
18 mm
와이어 결선 방식
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 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.
1,5 mm²
Wire connection cross section, finely stranded, max.
25 mm²
Connection cross-section, stranded, min.
1,5 mm²
Connection cross-section, stranded, max.
35 mm²

Electrical data

Spannungsart
AC 

General data

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

Guarantee

Time interval
5 years 

Important note

Product information
For use in DC applications, please use the fuse of SIBA Type NH2XL aR/aSF DC 1500 V 

Product images

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