Eaton Corp.'s bolt pressure contact switches are suited for switchboard applications including those within heavy-duty environments. Available as manual or electrical trip (shunt trip) types the switches feature a paired-washer spring design. Switch options include ground fault protection, auxiliary contacts, blown-fuse sensing, phase-failure or undervoltage relay.

Schneider Electric through Square D Services provides inspection, cleaning, installation, and start-up of bolted pressure switches. The company maintains an inventory of new parts and accessories to support the replacement of Type B/L BOLT-LOC switch mechanisms, pole assemblies, or an entire bolted pressure switch during an emergency.

Boltswitch Inc. manufactures bolted pressure contact switches including open switches and enclosed switches - with typical ratings of 800 through 6000 amps and voltage ratings up to 3 kV. Bolted pressure contact switch types include manual transfer, no-fuse tie, fusible pullout, heavy-duty, battery disconnect, and mill.

Feature one through four poles and single or double throw configuration, bolted pressure contact switches designed by Filnor Inc. have a rated voltage of 250V to 38kV. Manual, motor, pneumatic or remote operated, the switches feature 600 through 12,000 amperes continuous standard, 160 kA DC momentary, and 200 kA AC momentary.