Leaders in Safety Alarm & Shutdown
United Electric Controls Corporate Headquarters
United Electric Controls, and it's divisions, Applied Sensor Technologies and Precision Sensors, is a privately held corporation headquartered in Watertown, Massachusetts, USA.

We are an international manufacturer of durable and reliable pressure and temperature switches, controls and sensors. Focused on providing protection to equipment, processes and personnel in a variety of industrial applications, our products range from simple units to highly specialized custom designs.

Many of our products principally perform alarm and shutdown functions for our customers, while others provide critical sensor inputs into control systems.

Our reputation for dependable, reliable products is a result of innovative design, superior manufacturing techniques, and a corporate focus on uncompromising quality.

Three Manufacturing Divisions
  • United Electric Controls
  • Applied Sensor Technologies
  • Precision Sensors

  • Innovative Design
  • Proven One Series electronic switch
  • Cost-effective solutions that exceed customer requirements
  • Fit-for-purpose by application

  • Rapid Delivery
  • Lean manufacturing for maximum productivity
  • Operational excellence (OpX) reduces waste
  • One-piece-flow for optimum manufacturing efficiency
  •   Uncompromising Quality
  • ISO 9001 certified
  • Customer-first approach through service, delivery and value
  • US manufacturing

  • Environmental Stewardship
  • Energy management
  • Recycling
  • Non-toxic manufacturing

  • Global Presence
  • Worldwide factory support
  • More than 150 distributors
  • Third-party approvals and certifications

  • Please contact us directly or your Regional or International Sales Manager for any assistance.

    Products Manufactured:

    General Purpose Pressure, Differential Pressure and Temperature Switches

    Hazardous Location Pressure, Differential Pressure and Temperature Switches

    Pressure & Temperature Switches for the OEM

    Temperature Sensors

    Electronic Pressure, Differential Pressure and Temperature Products

    Analog & HART Pressure Transmitters for Hazardous Locations

    Pressure Switches, and Sensors, Flow Switches, Temperature Switches and Sensors for military, aerospace and semiconductor industry.

    Product Selector

    Our Product Selector will find your application needs. Available in English, Chinese, and Russian


    United Electric Controls Company
    Corporate Headquarters

    180 Dexter Ave
    P.O. Box 9143
    Watertown, MA
    617 926-1000
    617 926-4354


    1931 in Boston, Massachusetts

    U.S. Sales Offices:

    Massachusetts, Illinois, Georgia, Ohio, New Jersey, California, Texas

    International Sales Offices:

    Poland, China, Germany, India, Malaysia, Mexico, Russia

    Hours of Operation:


    Hours of Operation are 8:00 a.m. to 4:30 p.m. EST/EDT Monday through Friday.

    United Electric Controls is closed on the following holidays: January 1 & 2, 2013 New Years Holiday
    February 18, 2013 President's Day
    April 15, 2013 Patriot's Day
    May 27, 2013 Memorial Day Holiday
    July 4 & 5, 2013 Independence Day
    September 2, 2013 Labor Day
    November 28 & 29, 2013 Thanksgiving Holiday
    December 25, 2013 Christmas Holiday