Using Liquid Level Control Relays
Liquid Level Control Relays detect & control levels of conductive liquids such as fresh water, seawater, sewage & coffee (see table below for other liquids). They provide a low voltage signal…
Percentage Timers: Electronic Replaces Mechanical
A Percentage Timer is a time delay relay commonly used in applications such as irrigation, chemical feeding, electric heating cooling, motors and lubrication systems. The Percentage Timer provides an output…
Hazardous Location Classifications
Hazardous Locations Overview When electrical equipment is used in, around, or near an atmosphere that has flammable gases or vapors, flammable liquids, combustible dusts, ignitable fibers or flyings, there is…
What is Sequence On – Simultaneous Off (S.O.S.O. or SOSO) Operation on Pump Control?
Answer: The diagram illustrates a type of operation known as “Sequence On - Simultaneously Off (S.O.S.O. or SOSO)”- the two loads are energized sequentially, but remain on together until the…
Input Voltage Applied But Nothing Coming Out!
Issue: When I apply 120V to the input terminals of a time delay relay, why don’t I get 120V out of the output contacts to control my load? Solution/Resolution: Think…
Using Solid State Switches with Time Delay Relays
Issue: I have been told not to use solid state input devices such as proximity or photoelectric switches with solid state time delay relays. Why not and what can I…
Implementing Communication in Smart Connected Control Systems
Simplify with HMI Displays Macromatic PC Series phase monitor relay empowers Human Machine Interface (HMI) displays with a rich variety of data including system faults, line voltages, and operating frequency.…
Understanding Time Delay Relay Functions
Issue: What is the difference between On Delay, Off Delay, Single Shot, Interval On and all these other time delay functions? How does a time delay relay work? Solution/Resolution: Understanding…
New PMP-X Series has additional SPNO contact for signaling secondary systems
PMP-X Series Three-Phase Monitor Relays protect motors and equipment from damage due to phase loss, phase reversal, phase unbalance, undervoltage and overvoltage. Besides being used for signaling separate PLC, SCADA or…
New “-C5” Suffix Tower-style General Purpose Relay Sockets
New Tower-style sockets are now in stock and ready to ship. Models with -C5 suffix, used with our GB Series Blade Terminal Relays, can be DIN-Rail or screw mounted. The tower…
Product Builder Enables You to Select the Exact Relay You Need
Our new website features a helpful Product Builder to easily select from thousands of Macromatic relays. Just click the attributes based on your requirements. You get access to wiring diagrams,…
Management Team is Recognized for Fast Growth at Future 50 Awards Luncheon
Macromatic is thrilled to be named a Future 50 Winner, awarded to the fastest growing companies in southeastern Wisconsin. Our management team was recently recognized at the awards luncheon sponsored…
Macromatic Wins the 2022 Future 50 Award from MMAC and BizTimes Media
BizTimes Media today announced the winners of the 2022 Future 50 Awards, marking the return of a program that recognizes the fastest growing companies in southeastern Wisconsin. The winners include…
Time Delay Relay Functions w/ Different ON & OFF Times
Issue: I have noticed that most time delay relays with functions such as Repeat Cycle, Delayed Interval & ON/OFF Delay have as standard the same range available for both ON…
What Contact Materials are Used in Macromatic Relay Products?
The selection of contact material in electromechanical relay contacts is crucial for two primary reasons. Firstly, each contact material exhibits distinct strengths and weaknesses, emphasizing the significance of choosing the…
