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United Electric Controls manufactures instrumentation designed for the demands of challenging industrial applications. With more than 90 years of experience, operators can rely on UE to deliver superior process instrumentation on-time and with the high quality they expect.
The ONE Series is a multifunctional device – switch, gage, and transmitter – that installs via a single process connection while utilizing existing wiring, reducing installation cost. Patented IAW (I Am Working) self-diagnostics continuously communicate its health status, and increases operational and maintenance efficiency. Set point and deadband are fully adjustable and easily programmed through the display keypad or via HART connection. Certified for hazardous location, intrinsically safe and non-incendive area classifications.
The Excela electronic switch is designed for both plant operators and original equipment manufacturers (OEMs) to achieve operational, cost and maintenance efficiencies. It is a smart switch with device diagnostics, LED status indication, programmable setpoints and can deliver up to 4 times better repeatability than a mechanical switch. The Excela easily installs into an existing system using the same two wires as a mechanical switch and is designed to be an affordable upgrade to mechanical switches. It is used in non-hazardous applications for industries such as power generation, water & wastewater, agriculture and cement.
Our engineers work diligently to understand customer application challenges. They are ready to help you select the most reliable and suitable products for protecting people, plant and process.
Ask An Engineer to find the right product for your application!

Explosion-proof with switched relay output, 4-20 mA HART output for alarm and emergency shutdown applications
2-wire electronic switch for upgrading legacy alarm and ESD systems

Pricing, delivery, returns, repairs or replacement questions.
Application, specification or custom solution questions.
Business hours are M-F, 8-4:30 EST.
We strive to respond in less than 24 hours.
Contact us at +1 617 923 6977 for immediate assistance.
United Electric Controls will not send you unwanted email or provide your email address to third parties
Business hours are M-F, 8-4:30 EST.
We strive to respond in less than 24 hours.
Contact us at +1 617 923 6977 for immediate assistance.
United Electric Controls will not send you unwanted email or provide your email address to third parties