LR20025 | Woodward Multifunction Relay MFR13

Woodward LR20025 Protection Relay (MFR13 Series)

The Woodward LR20025 is a protection relay from the MFR13 series, designed for motor and generator protection in industrial power systems. It provides comprehensive monitoring and fault detection capabilities to safeguard rotating machinery against overload, under-voltage, and other electrical anomalies.

Note: Detailed technical specifications for LR20025 are limited in publicly available sources. The following information is compiled from distributor listings and should be verified with Woodward official documentation before procurement.

Key Specifications

• Part Number: LR20025
• Product Type: Protection Relay
• Series: MFR13 (Multifunction Relay)
• Manufacturer: Woodward / SEG (Woodward SEG GmbH & Co. KG)
• Revision: MFR13, MFR1375M/PMRSU03UV
• Function: Motor/generator protection (overload, under-voltage, phase failure)
• Application: Industrial power systems, generator sets, motor control centers

Features & Benefits

1. Multifunction Protection: Combines multiple protection functions in a single relay, reducing panel space.
2. Microprocessor-Based: Digital processing ensures accurate fault detection and fast trip response.
3. Self-Diagnostics: Continuous health monitoring with fault annunciation.

Applications

• Generator protection and control
• Motor overload protection
• Industrial power distribution systems

FAQ

Q: Is the LR20025 still in production?
A: Availability status is uncertain. Contact Woodward or an authorized distributor to confirm current production status and recommended replacements.

Q: What settings are available on the MFR13 relay?
A: Typical MFR13 relays offer adjustable current, voltage, and time settings. Consult the Woodward MFR13 manual for exact parameter ranges.

Installation Guide

1. Mount relay in standard DIN rail or panel cutout per MFR13 mechanical specifications.
2. Connect current transformers (CTs) and voltage transformers (VTs) to designated terminals.
3. Wire trip contacts to breaker control circuit.
4. Configure protection settings via front panel or communication interface.
5. Perform injection testing to verify trip characteristics.

Selection Tips

• Verification Required: Confirm exact protection functions (overcurrent, under-voltage, etc.) match your application before ordering.
• Replacement: If discontinued, inquire about Woodward's current equivalent model in the MFR or EasyGen series.