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One of the advantages of mercury switches is that the contacts are hermetically sealed in glass envelopes. Contact wear is, for all practical purposes, non-existent by virtue of the fact that the rupture of current takes place in an atmosphere of specially prepared hydrogen More Info Price

Heavy Duty Switch

Heavy duty mercury switch with porcelain anti-flash liner. More Info Price

Lifeboat Switch

Resin-encapsulated, waterproof switch for use on lifeboats. Should a lifeboat capsize and turn turtle, the switch will cut the engine to prevent water being sucked in. More Info Price

Small Switch With Twin Electrodes

Very small switch with twin end electrodes. More Info Price

Three Contact Mercury Switch

A three contact mercury switch is normally used as a changeover switch. The middle contact is common and the outer contacts reverse or switch a different circuit. More Info Price