The pressure actuator uses a spring-based piston with a U-cup seal that requires pressure as low as 5 psig to actuate either a subminiature or miniature electrical switch. The electrical switch is available with a variety of current ratings and terminal styles. Pneumatically actuated models have a 5/8-32 external thread, and the mechanically actuated models have a 15/32-32 external thread for mounting.
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