Assembly package, power supply for the APZ room and RfZ consisting of: 1x circuit breaker 1-pole B characteristic 6A/25 kA, 1x sealable transparent cover, 1x device rail for mounting on 40 mm busbar (NAR), 1x wiring set with touch-proof plug 3-pole, 1x short-circuit-proof connection cable, 2x connection terminals 16 mm²