T54BLIG

T54BLIG, Westinghouse, Digitrip RMS 500, aftermarket basic retrofit kit style # 8188A20G04, Digitrip RMS trip units and programmers, programmable to any amperage requirement, 400 - 5000A, Solid State electronic, LIG - Long-Time, Instantaneous and Ground Fault trip functions, suitable for use with DS,DSL,DSII,DSLII,SPB low voltage power air circuit breakers