VPU AC II 1+1 350/50
VPU AC II 1+1 350/50
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VPU AC II 1+1 350/50

Surge voltage arrester, Low voltage, Surge protection, Single-phase, TN, TT, IT with N, IT without N

Item No. 2637030000
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Accessories 4 Spare parts 3 Related products 12
Approvals General ordering data Dimensions and weights Temperatures Environmental Product Compliance Rated data UL 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://mdcop.weidmueller.com/mediadelivery/rendition/900_319222/-S800/-T1z1mm-S80)  
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319230/-S800/-T1z1mm-S80)  
![](https://mdcop.weidmueller.com/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. (cURus)
E3542610000  

General ordering data

Version
Surge voltage arrester, Low voltage, Surge protection, Single-phase, TN, TT, IT with N, IT without N  
Order No.
2637030000  
Type
VPU AC II 1+1 350/50  
GTIN (EAN)
4050118679274  
Qty.
1  items

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
36  mm
Width (inches)
1.417  inch
Net weight
254  g

Temperatures

Storage 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 (N-PE)
305  V
SCCR
200  kA
In
20  kA
Category
SPD TYPE 1CA  
Ambient temperature (operational), min.
-40  °C
Certificate No. (cURus)
E3542610000  
MODE
all modes  
VPR (L-N)
1,000  V
VPR (L-PE)
3,000  V
Voltage type
AC  
UL Energy Networks
Split-Phase  

General data

Colour
orange  
black  
blue  
Design
Installation housing; 2TE  
Insta IP 20  
Operating altitude
≤ 4000 m  
Optical function display
green = OK; red = arrester is defective - replace  
Protection degree
IP20 in installed state  
Rail
TS 35  
Segment
Power distribution  
UL 94 flammability rating
V-0  
Version
Surge protection  

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) N-PE
65 kA  
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  
Frequency range, max.
60  Hz
Frequency range, min.
50  Hz
Fuse
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
1  µA
Low voltage network
Single-phase  
TN  
TT  
IT with N  
IT without N  
Max. continuous voltage, Uc (AC)
350 V  
Number of poles
2  
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
≤ 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  

Connection data

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
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

Voltage type
AC  

General data

Number of poles
2  
Protection degree
IP20 in installed state  
Colour
orange  
black  
blue  

Guarantee

Time interval
5 years  

Important note

Product information

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).ext_blocks--]  

Product images

Classifications

ETIM 7.0
EC000941  
ETIM 8.0
EC000941  
ETIM 9.0
EC000941  
ETIM 10.0
EC000941  
ECLASS 12.0
27-17-12-02  
ECLASS 13.0
27-17-12-02  
ECLASS 14.0
27-17-12-02  
ECLASS 15.0
27-17-12-02