Protection Relays

DIN Rail Mount Phase Sequence Relay, 1 C/O SPDT relay

RSP808

Features:

• 3P - 3W wiring configuration

• Monitors Phase Sequence, Phase Failure & Phase Asymmetry

• Relay output: 1 C/O SPDT

• LED Indication: Power ON

• DIN Rail Mount & Wall Mount

Applications:

• Escalators

• Motor Control Panel

• Cranes

• DG Panels

• Pump Control Panels

What are Protection Relays?

Protection relays are essential devices that act as circuit breakers when faults are detected in electrical circuits. They provide detection of abnormal operating conditions such as phase loss, phase sequence, and phase asymmetry. Used in control panels, machine controls, generators, steel industries, oil refineries, and factories, protection relays ensure safety and reliability in various industrial applications.

Frequently Asked Questions

What does a protection relay do?

A protection relay monitors electrical circuits for abnormal conditions. It automatically triggers a circuit breaker to isolate the fault, preventing damage and ensuring system safety.

What is the phase sequence relay used for?

A phase sequence relay is an essential protective device used in three-phase electrical systems to monitor and ensure the correct phase sequence, detect phase loss, and identify phase asymmetry. It prevents damage and operational issues caused by incorrect wiring or faults in the electrical system.

What is phase sequence?

Phase sequence refers to the order in which the three phases of a three-phase electrical system reach their peak voltage. Correct phase sequence ensures that motors and other equipment run in the intended direction, preventing damage and ensuring efficient operation. Incorrect phase sequence can cause equipment malfunction or failure.