This Acti9 Isobar B accessory is a terminal block. It has 4 poles. The Ie rated operational current is up to 250A. Its dimensions are (W) 150mm x (H) 172mm x (D) 65mm. It is intended to realize the connection of devices in the distribution board. A cable cross-section of 95mm² can be used for rigid cables, and a 120mm² one for solid cables.