TRAC 12V Digital Circuit Breaker The TRAC Digital Circuit Breaker measures voltage and current in real time to break the circuit at the user-selected setting. These circuit breakers also feature user selectable auto-resetting or manual reset modes. TRAC digital circuit breakers are completely sealed and waterproof for marine use. Features Digital capacity measures voltage and current in real time User selectable circuit break-point is illuminated with high-brightness LED User selectable Auto-res