SUPER STARTER/START KIT FOR A/C COMPRESSOR RELAY AND HARD START CAPACITOR Features: Contains relay and start capacitor for extra starting torque Installs in seconds across run capacitor terminals UL Listed ? E481006 Applications: Room A/C Units Residential and commercial PSC A/C units and heat pumps For all PSC A/C units from 4,000 to 120,000 BTU?s (1/2 thru 10 HP) Can be used on 120 ? 288 VAC units For low voltage and hard starting compressors SK-5 START KIT INCREASES TORQUE UP TO 300% FOR ALL PSC A/C UNITS FROM 1/2 - 5HP 115-230 VOLTS This product can be used on all PSC single phase, 115v thru 230VAC. Air conditioning units from 6,000 BTU to 60,000 BTU (1/2 thru 5HP) SK-6 START KIT INCREASES TORQUE UP TO 500% FOR ALL PSC A/C UNITS FROM 1/2 - 10HP 115-230 VOLTS This product can be used on all PSC single phase, 115v thru 288VAC. Air conditioning units from 4,000 BTU to 120,000 BTU (1/2 thru 10HP) SK-7 START KIT INCREASES TORQUE UP TO 600% FOR ALL PSC/CSIR A/C UNITS FROM 1 TO 4HP 170-277 VAC This product can be used on all PSC single phase, 115v thru 230VAC. Air conditioning units from 6,000 BTU to 120,000 BTU (1/2 thru 10HP)