Voltage monitoring relays

Operating principle of voltage monitoring relays

While current limitation is the most common form of device protection, voltage monitoring is integral as well. A voltage monitoring relay can protect devices in your facility from damaging abnormal voltage conditions. Most electrical components in a machine only allow a specific bandwidth of acceptable voltage levels for safe operation. A voltage protection relay will detect when the voltage being supplied either exceeds or does not meet the required level, and stop the flow of power before damage is caused to any of your machine components.

Voltage relays can protect from:

• Over voltage
• Under voltage
• Phase sequence unbalance
• Phase failure

Order voltage protection relays online from Automation24

At Automation24, we offer a selection of voltage protection relays at excellent prices available online from Selec. Choose the ideal protection relay for your application today. Like voltage protection relay Selec 900VPR-2-280/520V-CU with integrated digital display and programming interface.

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