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Need a UL 508A Panel?

Posted by IER Services on Jul 16, 2019 8:32:02 AM

UL508A Panel is an electrical control panel with a UL508A Label. This certifies it meets the UL508 safety standard and was produced by a panel shop with UL 508A certification.

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Topics: IER Services, UL 508A certified

What You Should Know About Silicon controlled Rectifiers

Posted by IER Services on Sep 18, 2017 6:30:00 AM

A SCR or silicon controlled rectifier  is a three-terminal semiconductor switching device which is probably the most important circuit element after the diode and the transistor.

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Topics: SCR, IER Services, silicon controlled rectifier

What is a DC motor?

Posted by IER Services on Apr 19, 2016 10:16:53 AM

Basic Facts About DC Motors

The DC motor is a type of electrical machine that converts direct current electrical power into mechanical power. Common DC motors depend on the forces created by magnetic fields. Most DC motors contain a type of internal mechanism that is electromechanical or electronic and produces rotary motion. 

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Topics: IER Services, DC motors

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