AC/DC Bolted Pressure Switches Filters BOLTSWITCH B1T Open type Single Throw Bolted Pressure Contact Switches - from 400 to 6000A, up to 600 VAC BOLTSWITCH B2T Open type Double Throw Bolted Pressure Contact Switches - from 400 to 6000 A, up to 600 VAC and VDC BOLTSWITCH Integral Open type Single Throw Bolted Pressure Contact Switches with Arc Flash and Ground Fault relays combined - from 800 to 4000 A, up to 600 VAC Enclosed BOLTSWITCH B1T Enclosed Single Throw Bolted Contact Pressure Switch - from 400 to 1200 A, up to 600 VAC and VDC BOLTWITCH Enclosed B2T Enclosed Double Throw Bolted Contact Pressure Switch - from 400 to 3000 A, up to 600 VAC and VDC