Non-reversing vacuum contactors are used to switch capacitors, transformers, and electric motors where overload protection is provided separately. Vacuum contactors have ratings from 135 to 540 Amps. This NEMA 5 contactor has a 270 Amp rating. This NEMA size 5 contactor has a 270 Amp rating. Vacuum contactors are available in 3 pole versions. Accessories are available for vacuum contactors. The coil in this contactor is rated for 110/120 VAC 50/60 Hz. This contactor doesn't have an enclosure. Vacuum contactors are UL listed and CSA certified for global applications. This contactor is 8.94 inches tall, 7.90 inches wide and 6.20 inches deep. 8502V vacuum contactors are UL component recognized and CSA certified.