Overvoltage arrester for supply and control cables
for supply and control cables with FI protective circuit
The overvoltage arrester B61-300 FI limits excess voltage on supply cables. The arrester protects the electronics of the connected instruments effectively against overvoltages.
Simple installation through carrier rail mounting
Suitable for use in circuits with fault-current circuit breaker
High reliability even with impermissible excess voltages
-40 ... 60 °C