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Precision Switching Products
& Linear Position Sensors
Control Products, Inc.
Header Tagline
Precision Switching Products
& Linear Position Sensors
About CPI
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(973) 887-9400
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  • Home
  • Linear Position
    Sensors
      • Harsh Environments / LVDT-based

        Intrinsic Safety Rated Sensors
        SL2000-6000 Series Sensors are available with ATEX/IECEX/SIL2 ratings

        • Telescoping Hydraulic Cylinders
        • Piston Accumulators
        • Offshore/Onshore Drilling and Mining
        • Strokes of 10M, 12M, 14M, 16M, 30M
        Learn More
        LVDT Based Hydraulic Cylinder/Position Accumulator Sensors
        • Hardened Draw Wire for Internal Mount
        • Up to 1 meter Stroke Length
        • External Mounting Capable
        • Small Form Factor
        Learn More
      • Magnetostrictive / Long Stroke

        SUBSEA Rated Draw Wire Position Sensor System
        Subsea rated draw wire linear position sensor
        For Hydraulic Cylinders/Piston Accumulators

        ∙ Prevco enclosure rated for 3,000M submersion
        ∙ Seacon or teledyne interconnects available
        ∙ BOP, motion compensation, subsea actuators/accumulators
        ∙ Stroke to 10M, 12M, 14M,16M 30M
        Learn More
        Sensors For Long Stroke and Telescoping Hydraulics
        linear position sensor
        Our SL1500 Linear Position Sensors supports stroke lengths up to 15 meters including telescoping cylinders, and can be completely immersed in hydraulic fluid or mounted externally. Learn More
  • Waterproof
    Switches
      • Plunger and Ball Switches

        Plunger Switches
        Borrowing the same patented seal design as our J4-Ball Switches, our plungers can be customized with heat sinks and mounting specifications, and are IP68 rated. Learn More
        Ball Switches
        CPI Ball Switches see duty in critical military and industrial applications such as closure sensors for doors, hatches and valves. All stainless steel and double sealed for reliable actuation over a long life. Learn More
      • Momentary and Limit Switches

        Momentary Switches
        Our pendant style waterproof momentary contact switches are totally submersible and are designed to preserve seal integrity during activation over a long life. Learn More
        Limit Switches
        CPI Limit Switches are truly waterproof: not water resistant, or “splash proof”. Made of high grade stainless and designed for maximum electromechanical endurance. Learn More
      • Maintained Contact Switches and Waterproof Switch Panels

        Maintained Contact Switches
        These sealed, pendant style switches provide force adjustable tactile contact, ideal for use in power cycling applications in harsh duty environments. Learn More
        Waterproof Switch Panels
        With an operating temperature range of -50F to 221F our panel configuration has excellent resistance to both high and low temperatures, acids, alkalies, salt spray, sand, dust and fungus. Learn More
  • Thermal
    Switches
      • Snap Stat (0F–300F)

        Snap Stat (0F–300F)
        Using a precisely engineered bimetal snap disc, we actuate a miniature microswitch through a double snap action. Multiple mounting options available. Learn More
      • Plug Stat (0F-650F)

        Plug Stat (0F-650F)
        Contact movement in the PlugStat is achieved by controlling the different expansion rates of 2 fused metals providing tight tolerances and a small differential. Learn More
      • Rod & Tube (0F – 1750F)

        Rod & Tube (0F – 1750F)
        Ideal for use in galley’s or furnace controls to sense or control combustion. Very high temperature sensing with very rapid response time. Learn More
  • Applications
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Home››Blog››General

Category Archives: General

Pushing Past Coronavirus

March 14, 2020 Mac StuhlerBlog, Company News, GeneralMac Stuhler
Pushing Past Coronavirus

As we begin our journey into the uncharted world of commerce during COVID -19, CPI like other companies, has hunkered down, for the safety of our employees, for the safety of our community, and for the health and continuation of our business in a way

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Breaking News: Quality and Affordability no longer Mutually Exclusive

February 25, 2020 Mac StuhlerCompany News, electromechanical switches, General, Hydraulic AccumulatorsMac Stuhler
Breaking News: Quality and Affordability no longer Mutually Exclusive

One of the most popular limit switches CPI ever introduced has to be our J4 series waterproof limit switch. A small marvel of engineering originally developed for the military, this switch comes in both a ball switch and a plunger switch variation that use

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2019 The Year In Review

December 28, 2019 Mac StuhlerCompany News, General, Linear Position Sensors, Waterproof SwitchesMac Stuhler
2019 The Year In Review

As 2019 comes to a close, the team at CPI like many industrial businesses around the world, are inclined to review not only our own progress and well-being, but the progress of our industry (Electro-mechanical Switches and Sensors), related industries, and in some ways the

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When Part Obsolescence = Engineering Opportunity

November 23, 2018 Mac StuhlerBlog, GeneralMac Stuhler
When Part Obsolescence = Engineering Opportunity

Engineers and procurement specialists at companies large and small deal with the challenge of part and product obsolescence each and every day. Typically it goes something like this: A subcontractor who make one or more critical parts for a larger machine or system, has gone belly

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Really Big Hydraulic Cylinders Are Cool…

November 28, 2014 Mac StuhlerGeneral, Hydraulic Accumulators, Linear Position Sensors, LVDT sensorslarge hydraulic cylindersMac Stuhler
Really Big Hydraulic Cylinders Are Cool…

For those of us engineering types who derive particular enjoyment from an understanding of how big machines work, one of the most awe inspiring things to understand is the power achievable through large scale hydraulic cylinders. Being a unique supplier of Linear Position Sensors

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Linear Position Sensor Technology Choices

October 29, 2014 Mac StuhlerGeneral, Linear Position Sensorslvdt based linear position sensor, Mobile HydraulicsMac Stuhler

There are a number of technologies to choose from when considering the implementation of a linear position sensor.  As CPI's own sensors focus on the needs of hydraulic cylinder and hydraulic accumulator designers, it is instructive to review the various technologies being used in

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Welcome To Control Products Inc.

November 28, 2013 Mac StuhlerGeneral, Linear Position SensorsMac Stuhler
Welcome To Control Products Inc.

Welcome! You’ve found Control Products Inc, a USA based designer and manufacturer of Waterproof Microswitches, Linear Position Sensors, and Thermal Limit switches. Our main operations are all under one roof in East Hanover, NJ and 99% of our purchased parts and materials

Read More...
Recent Posts
  • CPI 12v Switches For Demanding Applications

    18 Jan 2021

    One of the most common applications for CPI switches is when they are configured as in 12v systems as safety

  • CPI is Getting in the Neighborhood of Proximity Switches

    10 Jul 2020

    In many applications for moving mechanical parts and assemblies, it is important to know when a piece of machinery gets

  • Why the Military Trusts CPI Switches

    23 Jun 2020

    Despite the economic roller coaster driving procurement and buying challenges around the globe, it turns out the defense of the

  • CPI Thermals Take the Heat in Military Vehicles.

    15 May 2020

    While change often comes slowly in the vast military industrial complex, there’s often good reason for that. That’s at least

  • The SL6000 Subsea Draw Wire Breaks the 100 Ft Barrier

    25 Apr 2020

    Engineering Marvel – The CPI SL6000 30 Meter Hardened Linear Position Sensor Since the introduction of our SL series hardened

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From The Blog
  • CPI 12v Switches For Demanding Applications

    18 Jan 2021

    CPI 12v Switches For Demanding Applications
  • CPI Plugstat Thermal Switches – Getting There Slowly

    5 Jan 2021

    CPI Plugstat Thermal Switches – Getting There Slowly
  • 2020 – The Year In Review

    27 Dec 2020

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