Chess Electric

Engineered solutions for connecting, monitoring, protecting power systems and critical equipment.

DC Monitor Unit

Note: also called Auxiliary DC Services Monitoring Unit (USSA)


A ground leakage DC detector with digital display
A DC low voltage detector voltmeter with digital display
A DC ammeter with digital display

This unit has been designed to monitor the auxiliary DC services panels. It includes a ground leakage DC detector, a DC low voltage detector voltmeter, and a DC ammeter. All 3 meters are assembled into a standard 19-inch enclosure (model 19), or into an enclosure that can be mounted on the front face of a panel (model PAN), or in a compact enclosure (model P225).

DC Monitor Unit