Woodward – LR20662 (MFR‑13 Protection Relay) – Multifunction Power Monitor

The Woodward LR20662 (MFR‑13) is a versatile industrial monitoring and protection relay designed for power systems. It includes under/over-voltage, frequency, and phase-sequence detection, plus configurable timing and trip functions—ideal for safeguarding generators, motors, and power networks.

Key Features & Specifications

• Model / P/N: LR20662, also known as MFR‑13 multifunction relay  

• Functionality: Monitors voltage, frequency, phase sequence, and offers timing/trip control; often used in generator protection systems

• Form Factor: Panel- or DIN-rail mount relay; screw-terminal connections  

• Application: Power system control including undervoltage/overvoltage/frequency protection, phase monitoring in industrial settings