This current clamp can measure currents up to 600 A for both AC (up to 400 Hz) and DC currents. Features includes a low battery indicator. Supplied with 4 mm (banana) plug type connectors. The current clamp can measure up to 600 A (AC or DC). In use there is no need to break into the circuit or disturb the isolation as the opening jaws simply clamp around the current carrying conductor. No electrical contact is required.