The ABB LSS-4 is a discontinued solid-state trip unit featuring long-time trip function with a maximum time delay band of 15.0 seconds (without ground protection). This current limiter/protector was manufactured by ASEA BROWN BOVERI.
The ABB LSS-4 is a discontinued solid-state trip unit featuring long-time trip function with a maximum time delay band of 15.0 seconds (without ground protection). This current limiter/protector was manufactured by ASEA BROWN BOVERI.