Item details
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Item details
Mounting method
DIN rail
Built-in depth
44
Nominal rated current
40
Nominal rated voltage
400
Number of poles
4
Rated fault current
0.5
Leakage current type
B
Selective protection
No
Surge current capacity
3
Width in number of modular spacings
4
Short-time delayed tripping
No
Frequency
50 Hz
Degree of protection (IP)
IP20
Additional equipment possible
Yes

A9Z66440 | Schneider Electric

Acti9 iID - Residual Current Circuit Breaker - 4P - 40A - 500mA - B-SI type
£ 1,040.80 -30%
£ 728.56
£ 874.27 inc. VAT

Call for availability

500 available on 13/11/2026