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.