• CPI D1 Series Panel Mounted Waterproof Plunger Switch uses the same 'Double seal' design as our J4 series and is just as tough and robust in hostile and wet environments. This...

    D1 Series Panel Mounted Plunger Switches

    CPI D1 Series Panel Mounted Waterproof Plunger Switch uses the same 'Double seal' design as our J4 series and is…

  • The CPI E1 Series Waterproof Limit Switches are designed for heavy duty and tough military and industrial applications. They are among the most affordable waterproof limit swi...

    E1 Series Waterproof Limit Switches

    The CPI E1 Series Waterproof Limit Switches are designed for heavy duty and tough military and industrial applications. They are…

  • The CPI J4 Series Sealed Roller Ball Switches are made of 100% stainless steel and boast a patented sealing mechanism that makes them 100% waterproof over millions of cycles. ...

    J4 Series Ball Switches

    The CPI J4 Series Sealed Roller Ball Switches are made of 100% stainless steel and boast a patented sealing mechanism…

  • CPI J4 Series Plunger switches are ideal for the harshest heavy industrial equipment applications. They use the same patented 'Double Seal' ball carrier design as the J4 Ball ...

    J4 Series Waterproof Plunger Switches

    CPI J4 Series Plunger switches are ideal for the harshest heavy industrial equipment applications. They use the same patented 'Double…

  • The CPI K1 Series Waterproof Momentary Internal Lever Pendant Switches is a specialised type of pendant switch, this switch family was developed to meet the needs of welders. ...

    K1 Series Waterproof Momentary Switches

    The CPI K1 Series Waterproof Momentary Internal Lever Pendant Switches is a specialised type of pendant switch, this switch family…

  • CPI's M1 Series Solder/Spotweld Terminals come standard with either solder terminals (with holes) or glass-braid wires with synthetic ceramic for high temperature applications...

    M1 Series Solder/Spotweld Terminals

    CPI's M1 Series Solder/Spotweld Terminals come standard with either solder terminals (with holes) or glass-braid wires with synthetic ceramic for…

  • CPI M2 Series Glass Sealed Connectors are MIL-STD, designed as a mounting configuration for PlugStat Thermal Switches. Please advise us of the specific MIL connector requireme...

    M2 Series Glass Sealed Connectors

    CPI M2 Series Glass Sealed Connectors are MIL-STD, designed as a mounting configuration for PlugStat Thermal Switches. Please advise us…

  • The CPI PlugStat Bimetal Thermal Switches uses contact movement which is achieved via the different expansion rates of two metal fused together. The PlugStat can measure with ...

    PlugStat Bimetal Thermal Switches

    The CPI PlugStat Bimetal Thermal Switches uses contact movement which is achieved via the different expansion rates of two metal…

  • CPI Rod and Tube Thermal Switches uses contact movement which is achieved via differences in coefficients of expansion of two materials, in this case the out tube and the inte...

    Rod and Tube Thermal Switches

    CPI Rod and Tube Thermal Switches uses contact movement which is achieved via differences in coefficients of expansion of two…

  • CPI SnapStat Thermal switches are designed for harsh environment and applications with a set point range of -17.8°C - 148°C (0°F - 300°F). The SnapStat thermal switches ha...

    SnapStat Thermal Switches

    CPI SnapStat Thermal switches are designed for harsh environment and applications with a set point range of -17.8°C - 148°C…

  • The CPI W Series Ground to case Thermal Switches (-17.8°C - 954.4°C) (Single Terminal) SPST Switches are rated for commercial, aerospace and military applications. DO-160C a...

    W Series Ground to Case configuration

    The CPI W Series Ground to case Thermal Switches (-17.8°C - 954.4°C) (Single Terminal) SPST Switches are rated for commercial,…

  • CPI Waterproof Switch Panels are designed with a line of pendant style switches that can be assembled to be a part of a standard or custom panel mount. Convenient pre-made pan...

    Waterproof Switch Panels

    CPI Waterproof Switch Panels are designed with a line of pendant style switches that can be assembled to be a…

  • The CPI X Series (-17.8°C - 454.8°C) Rod and Tube Thermal Switches. The X Series has an outer tube expands at a faster rate than the inner rod allowing for movement of one s...

    X Series Switches

    The CPI X Series (-17.8°C - 454.8°C) Rod and Tube Thermal Switches. The X Series has an outer tube expands…