VPU AC I 1+1 255/12.5 LCF MB
VPU AC I 1+1 255/12.5 LCF MB
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Schematic circuit diagram

VPU AC I 1+1 255/12.5 LCF MB

, low voltage, Surge protection, Surge protection I / II, Single-phase, TN, TT, IT with N, IT without N

Item No. 2976580000
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Approvals General ordering data Dimensions and weights Temperatures Environmental Product Compliance General data Insulation coordination acc. to EN 50178 Rated data IEC / EN Connection data Electrical data General data Guarantee Classifications

Approvals

Approvals
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319222/-S800/-T1z1mm-S80)  
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319263/-S800/-T1z1mm-S80)  
ROHS
Conform  

General ordering data

Version
, low voltage, Surge protection, Surge protection I / II, Single-phase, TN, TT, IT with N, IT without N  
Order No.
2976580000  
Type
VPU AC I 1+1 255/12.5 LCF MB  
GTIN (EAN)
4099986825857  
Qty.
1  items

Dimensions and weights

Depth
65  mm
Depth (inches)
2.559  inch
Height
90  mm
Height (inches)
3.543  inch
Width
36  mm
Width (inches)
1.417  inch
Net weight
228  g

Temperatures

Storage temperature
-40 °C...85 °C  
Operating temperature
-40 °C...85 °C  
Humidity at operating temperature
5 - 95% rel. humidity  

Environmental Product Compliance

RoHS Compliance Status
Compliant without exemption  
REACH SVHC
No SVHC above 0.1 wt%  

General data

Colour
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
low voltage  
Surge protection  
Surge protection I / II  

Insulation coordination acc. to EN 50178

Surge voltage category
I  
III  

Rated data IEC / EN

Combined pulse UOC
6  kV
Discharge current (type III)
3  kA
Discharge current Imax (8/20µs) N-PE
100 kA  
Discharge current Imax (8/20µs) wire-PE
50 kA  
Discharge current In (8/20µs) N-PE
50 kA  
Discharge current In (8/20µs) wire-PE
20 kA  
Energy coordination (≤10 m)
Type I  
Type II  
Type III  
Follow-on current extinguishing capability Ifi
25 kA  
Frequency range, max.
60  Hz
Frequency range, min.
50  Hz
Fuse protection
No Fuse neccessary ≤250 A gG  
Integrated back-up fuse
No  
Leakage current at Un
0  µA
Lightning test current Iimp (10/350 µs) (L-PE)
12.5  kA
Lightning test current, Iimp (10/350 µs) (N-PE)
50 kA  
Low voltage network
Single-phase  
TN  
TT  
IT with N  
IT without N  
Max. continuous voltage, Uc (AC)
255 V  
Max. continuous voltage, Uc (N-PE)
305  V
Number of poles
2  
Protection level Up at IN (L/N-PE)
≤ 1.5 kV  
Protection level Up at IN (N-PE)
≤ 1.5 kV  
Rated voltage (AC)
230  V
Requirements category acc. to IEC 61643-11
Type I  
Type II  
Requirements class, acc. to EN 61643-11
T1  
T2  
Response time / fallback time
<100 ns  
Short-circuit current rating ISCCR
25  kA
Signalling contact
No  
Standards
IEC 61643-11  
EN 61643-11  
Temporary surge voltage (over-voltage) - TOV
442  V
Voltage type
AC  

Connection data

Stripping length
18  mm
Wire connection method
Screw connection  
Type of connection
Screw connection  
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 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.
35  mm²
Conductor cross-section, flexible, AEH (DIN 46228-1), 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
black  

Guarantee

Time interval
5 years  

Classifications

ETIM 7.0
EC001457  
ETIM 8.0
EC001457  
ETIM 9.0
EC001457  
ETIM 10.0
EC001457  
ECLASS 12.0
27-17-12-04  
ECLASS 13.0
27-17-12-04  
ECLASS 14.0
27-17-12-04  
ECLASS 15.0
27-17-12-04