FI circuit breaker block, mains voltage-independent residual current circuit breaker block in accordance with EN61009-1 Appendix G for combination with circuit breakers of the corresponding series and number of poles. The FI circuit breaker block is mounted on the right-hand side of the circuit breaker and 2 additional devices can be mounted on the left-hand side. After mechanical assembly, the devices are permanently connected to one another. The switching lever can be sealed when switched on and off or can be locked with a lever lock (order accessories separately) for a padlock. With fold-down label on the circuit breaker. Connection (max): 35 mm² with insulated plug-in protection. The connection screws can be provided with a sealable cover (order accessories separately). The rated switching capacity depends on the installed circuit breaker.