500-COF940 - 500, 500DC NEMA AC/DC Contactor, Motor Loads,Top Wiring, SIZE 2,277V 60Hz,Open, 4 Power Poles, 45, 277V 60Hz, , Yes

500-COF940 - 500, 500DC NEMA AC/DC Contactor, Motor Loads,Top Wiring, SIZE 2,277V 60Hz,Open, 4 Power Poles, 45, 277V 60Hz, , Yes