WCM-ST-850
● Two functions in one unit: open phase and phase sequence detection.
● Lamps let you determine at-a-glance if phase is open.
● Large size alligator clips for easy clipping onto switch-boards terminals.
● Checks a wide range of 3-phase power sources.
● Special test leads length are available on request.
● Push button switch is designed to minimize damage due to negligence.