This K1 ammeter switch is ideal for switching between phase current measurements on a switchboard, has a rated voltage of 690V AC and a rated current of 12A.It has a square shape and a metallic legend with black marking.It is IP65 and installs with screws.This ammeter phase switch offers the maximum mechanical and electrical robustness of its class, for prolonged operation without maintenance.Its high IP allows for handling of panel operations in very dusty and wet environments, including outdoors.