OPEN POWER RELAY, COIL VOLTAGE 240V AC, CONTACT FORM SPST-NO, ELECTRICAL CONNECTION SCREW CLAMP, NUMBER OF PINS 4, STATUS INDICATOR NO INDICATOR, CONTACT RATING (AC) 40 A @ 300V, CONTACT RATING (DC) 40 A @ 28V, HORSEPOWER @ 120V AC 2 HP, HORSEPOWER @ 240V AC 2 HP, MOUNTING STYLE SURFACE, BODY DEPTH 2.5 IN, BODY HEIGHT 2.3 IN, BODY WIDTH 2.5 IN, CONTACT MATERIAL SILVER CADMIUM OXIDE, FOR USE WITH AIR HANDLING, ELEVATORS, HVAC EQUIPMENT, MACHINE TO