Circutor CBS-4 Series Instruction Manual page 10

Connection of the CBS-4/CBS-4C circuit breaker elements with the current undervoltage coil. In the event
of an earth leakage relay trip due to a fault, test or error of the earth leakage current transformer.
For connections via the current undervoltage coil, you need to activate the positive safety. More
information about this on page 12.
1. See cause of the tripped channel on the red display.
2. Rearm the circuit breaker element.
3. Press the RESET button of the device for the tripped channel.
Earth leakage protection relay
Page 10 of 29