Square D 8501CO7V20 Power Relay Brand: Square D. Part Number: 8501CO7V20. Square D Power Relay, General Purpose Type C, Series: 8501C, 30 A, 1.5 hp, 50/60 Hz, 120 V AC Coil, 2NO 2 Form A DPST, 30 A at 300 VAC, 5 A at 600 VAC Contact, 2 Pole, Panel Mount, Screw Terminal, NEMA 1, -22 to 122 deg F, 2.43 in W x 2.5 in D x 2.25 in H. Additional Description: SQD -8501CO7V20 RELAY 600VAC 5AMP TYPE C +OPTIONS. Catalog Description: Power Relay, Type C, 2 HP, 30A resistive at 300 VAC, DPST, 2 normally open contacts, 120 VAC coil..