Marine Grade Switches and Switch Panels by CPI
In the waterproof switch business, there are a lot of pretenders to the throne…
Terms like “water-resiMarine Switches on a Workboatstant”, “splash-proof”, ”moisture-resistant”, and even “waterproof” are bandied about in what seems to be a meaningful way. In our experience, most of these switches should really have a warning label that says “DON’T GET IT WET FOR TOO LONG!”
CPI’s line of truly waterproof, sealed marine grade switches are used in thousands of applications where folks are not interested in splitting hairs about what is waterproof, and what isn’t. Add to that our 70 years of experience making hardened switches for environments that require extreme electromechanical endurance, and you have a solid claim to being the best manufacturer of marine switches in the world.
Marine Switch Types
CPI marine switches are divided into a few distinct types. Note that since waterproof switches are what we do, every one of our switches can be sealed and rated to your requirements for temperature range, electromechanical endurance, and electrical operation (normally open/closed, momentary/maintained, SPST, SPDT, etc…)
Pendant Switches
CPI Pendant Switches are one of our most popular options for marine switch applications and waterproof applications in general. The internal lever mechanism achieves either momentary or maintained contact and is sealed in either santoprene or neoprene (for mil-spec temperature ranges) using a patented manufacturing process. Common uses include marine ignition switches, winch power on/off, and panel mounted versions that allow control of a wide variety of onboard systems. These switches are engineered for the highest electromechanical endurance and will continue to operate electrically even when completely underwater.
Marine Grade Ball and Plunger Switches
Our J4 plunger and ball switch is ideal for use on workboats in the commercial marine space, where usage scenarios are robust, and the impact of a switch failure is serious or deadly.
Our ball and plunger switches use a unique dual seal design that preserves switching integrity during activation over a long life. These switches are made from high grade stainless steel and come in plug, panel and many custom mounting options. They are often used as position limit sensors in applications like the flow control valve control for a lavoratory system holding tank, or mechanical limit switches on cranes, winches and rudder systems. Like all our waterproof switches, they come in standard off the shelf configurations, but can be customized around various electrical and mechanical parameters. No matter what your requirements, the common thread is toughness, durability, and true waterproof operation.
These little switches are surprisingly cost effective as well owing to a tightly controlled, USA based, manufacturing and quality control process. Call us today to discuss your application or request a sample.
Waterproof Marine Switch panels.
If you work on commercial marine vessels you know that many standard pleasure boat grade switch panels just don’t hold up. CPI has been a manufacturer of custom marine switch panels for decades, providing our combination of truly waterproof panel mount switches, into custom panel configurations. These assemblies are used for everything from windlass control switches, Hatch open/closed detection, winch operation, and in every general electromechanical safety limit switch application you can find on a boat. They are used when durability is your biggest concern and you just can’t afford a switch failure. Salt spray, rain, fish guts, sea, sand or wind, our switches continue to function when you need them most.
About CPI
CPI has been making truly waterproof limit switches for the marine switch market since 1946. Our switches have been used on pleasure boats, and on nuclear submarines, where toughness and long, reliable life, are the concern.
If you think your application is tough enough for our switches, contact us today.
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Waterproof Ball Switch, Hi-Endurance Stainless Steel – J4001
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HS002 Pipe Mount Bracket for Momentary Switches
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E1008 Surface Bracket for Momentary Switches
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E1057 Mounting Bracket Maintained Contact Rocker Waterproof Switches
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D1022 Panel Mount Waterproof Plunger Switch
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J4401-514 Plunger Switch with Exclusion Seal
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HS001 Pipe Mount Bracket for Maintained Contact Rocker Switches
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Make The "Switch" to CPI
If your momentary switch application demands high performance, we think you should demand CPI. Please call us today to speak with our engineering team about your needs.