KnowledgeBase & Blog | Macromatic Industrial Controls

New 575V AC Three-Phase Monitor Relays

Thursday: November 6, 2014 : Three-Phase Monitor Relays

Macromatic announces an exciting addition to its plug-in series of Three-Phase Monitor Relays. To provide solutions for a greater variety of voltage applications, four new 575V AC Three-Phase Monitor Relays are now available that monitor a voltage range of 460 to 600V AC. This new voltage option is available in the following part numbers: Product Number Protects

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Protection on a Corner Grounded Delta System

Wednesday: November 5, 2014 : Three-Phase Monitor Relays

Issue: Can I use a phase monitor for protection on a corner grounded delta system? Answer: Yes, Macromatic phase monitor relays provide the same reliable protection on corner grounded delta systems. A corner grounded delta system is a common way to establish a reference to safety ground when dealing with an otherwise floating output from a 

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Macromatic Adds 3-D CAD Models

Wednesday: October 8, 2014 : Blog

A comprehensive set of 2-D and 3-D models of Macromatic products are now available for download from the website on the product overview page.

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TAA2U and TAD1U Start, Inhibit and Reset Inputs

Friday: August 22, 2014 : Time Delay Relays

The Macromatic TAA2U and TAD1U offer a wide variety of functionality and application versatility by offering START, INHIBIT and RESET inputs. The information below explains the functionality of these 3 circuits. TAA2U TAD1U START INPUT TAA2U Terminal 6 and TAD1U Terminal 3 The START circuit initiates the timing function when connected. There are 2 common ways to use 

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SSAC Obsoletes Selected ECS Current Sensing Relays

Monday: July 7, 2014 : Blog

As part of their continuing practice to obsolete selected catalog numbers, SSAC has eliminated many products from their ECS Series of encapsulated Current Sensing Relays. 

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What Motor Do You Need to Protect?

Monday: April 14, 2014 : Blog

Macromatic Industrial Controls announced its next generation of Plug-In Three-Phase Monitor Relays which provide protection for motors against premature failure caused by voltage faults.

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What is True RMS? And Why is it Important in a Phase Monitor?

Monday: April 14, 2014 : Three-Phase Monitor Relays

RMS stands for Root Mean Square. True RMS is a mathematical formula that is used to calculate the effective value of an AC wave shape. To understand why this is important, it is helpful to first discuss what a phase monitor does. A phase monitor measures voltage to confirm the presence of a desired voltage; it 

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Undervoltage Settings on Universal Voltage Three Phase Monitor Relays

Monday: April 14, 2014 : Three-Phase Monitor Relays

Issue: Your new PMPU three-phase monitor relay can work on any voltage between 190 & 500V. It also includes an adjustable undervoltage trip setting of 80-95% and a fixed overvoltage trip setting of 110%. How do these percentages work depending on where you set the line-line voltage?

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Phase Monitor Relays & Different Frequencies

Monday: April 14, 2014 : Three-Phase Monitor Relays

Issue: Do your Phase Monitor Relays work at both 60hz as well as 50hz? What is the tolerance at either value?

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Maximum Voltage Ratings of Phase Monitor Relays

Monday: April 14, 2014 : Three-Phase Monitor Relays

Issue: What is the maximum voltage that your phase monitors can handle? What about the units that offer overvoltage protection? 

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