The CM-PFE phase sequence monitoring relay ensures dependable protection for three-phase mains by continuously monitoring phase presence, order, and loss. Operating within a wide voltage range of 208–440 V AC, this relay safeguards motors and equipment against incorrect phase sequence or missing phase conditions that can cause operational damage. Built on the closed-circuit principle, it ensures fail-safe performance with fixed thresholds for quick setup. For integrated electrical safety and automation control, explore our industrial automation and control solutions engineered for reliability and precision in industrial systems.

Key Specifications – Phase Sequence Monitoring Relay CM-PFE

• Control / Measuring Voltage: 208–440 V AC

• Output: 1 c/o (SPDT)

• Contact Rating: 250 V / 4 A

• Monitoring Function: Phase loss and phase sequence detection

• Threshold Settings: Fixed

• Operation Principle: Closed-circuit

• Application: Three-phase mains monitoring

• Standards: IEC/EN compliant

Highlights

• Protects motors and equipment from incorrect phase rotation

• Immediate response to phase loss or reversal

• Simple and fast setup with pre-calibrated thresholds

• Compact design for easy panel integration

• Reliable operation under varying industrial voltages

Typical Uses

• Motor and pump protection

• Industrial control and automation panels

• Power distribution and HVAC systems

• Conveyor systems and compressors

Installation & Support

Factory-tested and ready for quick installation.

• Clear terminal labeling for secure connections

• Technical documentation and wiring diagrams available upon request