These devices are units and should be disconnected from the supply during insulation and earth fault loop impedance testing.
BS EN61009;IEC 1009.
2 module device. 10mm2, 1 module device 35mm2 terminal capacity. RCBOs with MCB element type C(5-10In) protection available to order.
10mA available to order eg. 61/B0610.
Type A RCBOs are available, add A to list No.eg. 61/AB0630.