Surge Protection for Solenoids

Surge Protection for Solenoids

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OVERVIEW

Today’s increased reliance on very sensitive electronics makes surge protection an important topic for most industries. The Insurance Institute for Business & Home Safety study found that $26 billion dollars was lost due to non-lightning power surges. In addition, there are about 25 million lightning strikes in the US each year that cause between $650M to $1B in losses according to the Insurance Information Institute, State Farm©.

Solenoids are a key component of any UL 508A control panel (also known as an Industrial Control Panel or ICP). However, they are usually overlooked due to their limited cost in the overall system yet are integral parts that can lead to costly and disruptive downtime. The Solenoids is used to provide lineal actuation for valves and relays in control systems applications found in refrigeration, HVAC, compressed air systems, refineries, chemical plants, power plants as well as commercial, industrial, residential and manufacturing process applications. They are the critical components in the process loop and are sensitive to transient over voltages.

This section will identify the UL 497B Surge Protective Device (SPD) to efficiently protection your Solenoids and increase its reliability.

Protection Point for
Solenoids

Based on the built-in withstand of the equipment, Solenoids can be protected using the SPD shown below :

LocationEquipmentSystemSurge Protector Model #Link
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DC SOLEDNOID
24VDC
< 300mA
DLA-24D3 DLA-24D3 v.2
24VDC
< 300mA
Slim Profile
DLC-24D3 DLC-24D3
24VDC
< 2.4mA
DLAH-24D3 DLA-24D3 v.2
24VDC
40A Max.
DS220S-24DC DS220S-24DC
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AC SOLEDNOID
120VAC
40A Max.
DS240S-120
250VAC
40A Max.
DS240S-230

Test Videos for Solenoids

24VDC Solenoid - Electrical Withstand - 3kV to 20kV
24VDC Solenoid - Coordination Testing - 20kV x 10

Contact us to develop a surge mitigation solution for your application

Where to purchase Citel SPD's

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