Product description:
ITE KSP-1600 Power Service Protector Switch; 1600 amp, 480 volt. Manually operated (M/O), stationary. Sold used electrically OK. Fuses sold separately.
EMSCO # SW-2013-19241- LOC:  3R1       # SW-2013-19242- LOC:  3Q2
# SW-2013-15894- LOC: 3Q2                 # SW-2013-19971- LOC:  4Q3
# SW-19972-19972- LOC: 4Q2                  # SW-2013-19973- LOC: 4R2