Phase busbar Acti 9 Steg. 3-pole, 11TE, operating current 63A, operating voltage (Ue) 230/400V AC, insulation voltage (Ui) 500V AC. Cross-busbar connection of several circuit breakers or circuit breakers with residual current circuit breakers. Suitable for circuit breakers iC60 and residual current circuit breakers iID as well as for all devices with cage terminals with a cutting width of 18mm. Color RAL 7035.