Selec MPR-3M Analog Motor Protection Relay for 1Ø & 3Ø Motors

Product Summary:
The Selec MPR-3M is an analog motor protection relay suitable for both single-phase and three-phase motors. It offers precise monitoring and protection against overload, phase loss, phase unbalance, phase sequence, and under/over current with a reliable ±5% accuracy.

Key Features:

• Suitable for 1Ø and 3Ø motor systems

• Monitors Overload, Phase Loss, Unbalance, Sequence & Under/Over Current

• Adjustable trip settings and current ranges

• Built-in Auto/Remote Test function

• 2 C/O (DPDT) output contacts rated 5A @ 240V AC

• DIN Rail Mount with 52.5mm compact size

• Available in 230V AC and 415V AC models

Applications:

• Industrial motor protection systems

• HVAC motor panels

• Pump control panels

• Manufacturing automation

• Electrical distribution boards

Product Benefits:

• Increases motor lifespan by preventing electrical faults

• Helps prevent production downtime

• Easy to install and configure

• Dual voltage options for flexible usage

• Compact design saves panel space

FAQs:

Q1. What types of motors can the Selec MPR-3M protect?
A: The MPR-3M is designed to protect both single-phase (1Ø) and three-phase (3Ø) motors.

Q2. How does the relay protect against motor overload?
A: It uses an IDMT curve-based trip time graph to detect overloads and activate protection within set time limits.

Q3. Can I use this relay for automatic or remote testing?
A: Yes, the MPR-3M supports both Auto and Remote test functions.