PMR-01A

The EAPL PMR-01A is a high-performance phase monitoring relay designed to protect three-phase electrical systems from faults such as phase failure, phase reversal, and voltage unbalance. It continuously supervises all three incoming phases and ensures the connected equipment operates only under safe conditions. Compact, accurate, and dependable, the PMR-01A is ideal for safeguarding motors, compressors, and critical electrical loads in industrial and commercial applications.

Key Features:

• Monitors phase sequence, phase failure, and voltage imbalance conditions.

• Provides immediate protection against reverse phase rotation and missing phase supply.

• LED indicators for easy identification of normal and fault conditions.

• Fast response ensures immediate tripping to prevent equipment damage.

• Auto-reset feature restores operation automatically when voltage normalizes.

• Compact, DIN-rail or panel-mountable design for easy installation.

• Wide operating voltage range: 415 V AC ±10%, 3-phase, 50 Hz.

• Output relay suitable for controlling contactors, alarms, or trip circuits.

Applications:

• Protection of three-phase motors, pumps, compressors, and fans.

• MCCs, control panels, and starter panels.

• HVAC systems, water-treatment plants, and process automation panels.

• Any equipment requiring constant phase supervision for safe operation.