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Sometimes you need a switch that’s really, truly waterproof. Not just water-resistant or “splash-proof. And if you want one with carefully manufactured durability and extended temperature operation, well you’ve narrowed down the field even further. For tough marine or outdoor applications, CPI’s panel mounted, sealed waterproof switches
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CPI Manufacturers a line of hand actuated pendant switches, that are completely waterproof, and designed for high vibration, high endurance applications in the industrial and military spaces. They are designed and made entirely in the USA. It's fair to say, these are not your mother's
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The last thing Commercial vehicle and work truck manufacturers want to hear about is how someone got hurt while using one of their vehicles. In addition to the liability concerns, it’s just not good for sales when word gets out that safety systems on your
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There are many kinds of workboats in the world from fishing boats, to ferry's, to cargo loaders, dredging boats, fire fighting boats, you name it. But in all these, the ubiquitous Tugboat surely holds a special place. We spend a lot of time here at CPI
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The worlds most expensive pendant was made famous after the movie Titanic. In that movie actress Kate Winslet wore “the heart of the ocean” pendant which was a purely fictional creation. But after the popularity of the movie, world renown jeweler Harry Winston
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A common reliability acronym that applies to all types of components and subassemblies is MTBF, Mean Time Between Failure. If you’re an engineer concerned about the reliability of your switch in a hostile, demanding operational environment, then you’re worried about a type of rating called electromechanical
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For many applications requiring robust toggle switch functionality CPI sealed, waterproof toggle switches can be a good solution. Whether your application is 
hand actuated or needs be actuated mechanically, we have a complete off the shelf part configuration
One of the more overlooked uses of CPI’s line of waterproof limit switches may be its selection for a wide variety of outdoor, harsh duty lift activation systems. These systems have a number of attributes that make CPI waterproof pendant switches a perfect
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While there are hundreds of part numbers in our waterproof limit switch line, there's only a couple basic ideas you need keep straight to understand how it all works. For the engineers among you, here's an equation that might help. (Sealed Pendant Switch) + (Mounting Bracket)
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As one of the world’s premiere suppliers of electromechanical, high endurance waterproof limit switches for over 70 years, CPI has accumulated quite the resume of interesting switch applications. Our original customers were military and high endurance outdoor vehicles like dump trucks, cranes, backhoe’s, front-loaders,
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