Macromatic Industrial Controls KnowledgeBase & Blog

Short Circuit Current Ratings (SCCR) of Three-Phase Monitor Relays

Wednesday: May 2, 2018 : Three-Phase Monitor Relays

Does my Phase Monitor Relay require a Short Circuit Rating?

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What happens when a time delay relay trigger is closed before voltage is applied?

Tuesday: March 13, 2018 : Time Delay Relays

Issue: I am using a time delay relay with a triggered function. My trigger switch will be closed before I apply voltage to the time delay relay. Will this work? Solution/Resolution: In a typical application with a triggered time delay relay, voltage is first applied to the timer, then the trigger is applied to begin the function. Some applications, however, require the trigger to be closed before voltage is applied. Most Macromatic time delay relays will recognize the trigger when applied prior to the application of voltage, however, some will not.

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Using DPDT Cross-Wired Alternating Relays with HIGH-LOW Float Switches

Tuesday: January 16, 2018 : Alternating Relays

Issue:

I have two float switches and two pumps in my application: a HIGH float switch to pump the water down and prevent an overflow of the tank, and a LOW float switch to turn the pump off and prevent the tank from being emptied & burning out the pump. 

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Macromatic offers deadfront-mounted relays to protect submersible pumps

Thursday: January 11, 2018 : Blog

Macromatic offers relay solutions to protect pumps against over temperature and seal leakage in the water/wastewater industry.

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Macromatic Offers Money-Saving Replacement for Flygt MiniCAS Relay

Wednesday: January 10, 2018 : Blog

Macromatic's TCF-F Series Relays designed specifically for monitoring over temperature and seal leakage on submersible pumps using FLS or CLS Sensors.

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Advantages of Macromatic Three-Phase Monitor Relays with Remote Manual Reset

Wednesday: November 1, 2017 : Blog

All Macromatic three-phase monitor relays with the remote manual reset have two advantages over those products with top-mounted buttons.

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True Off Delay Timer energized without input voltage

Wednesday: November 1, 2017 : Time Delay Relays

Issue: The output relay appears to be already energized on my True Off Delay timer without any input voltage applied.  It was that way when I received it or I found it in that state during installation.  What happened and how do I fix it?

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Using a Triplexor with One Switch to Cycle 3 Loads

Thursday: October 19, 2017 : Alternating Relays

Issue: How can I use one Switch to Cycle 3 loads ON & OFF in sequence? 

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