ESTK socket combinations, wired ready for connection, insulated1 connection terminal set 2 x 5 x 25 mm21 residual current circuit breaker 40 A, IDN 0.03 A1 circuit breaker 1-pole, 16 A B1 circuit breaker 3-pole, 32 A C2 earthed sockets 2-pole, 16 A/230 V1 CEE socket 5-pole, 32 A/400 VCable entries can be broken out, bottom and top 3 x M 25/M 32 each