Selec 640PSR-V-CE Phase Sequence Relay

Product Summary:
The Selec 640PSR-V-CE Phase Sequence Relay is a reliable 3-phase monitoring device that ensures proper power supply conditions by detecting sequence errors, voltage issues, and asymmetry. Designed for industrial safety and system longevity.

Key Features:

• LED Indication for Healthy and Trip conditions

• Monitors Phase Sequence, Phase Failure, Phase Asymmetry, Under & Over Voltage

• Slim 17.5mm DIN Rail or Wall Mountable Design

• Wide Operating Voltage Range: 154–520V AC

• Fast Response and Accurate Voltage Sensing

• 1 SPDT Relay Output, Contact Rating: 5A @ 250V AC / 30V DC

• High Mechanical (10⁷) & Electrical (5×10⁴) Endurance

• Time Accuracy ±5%, Voltage Accuracy ±1%

• Degree of Protection: IP20 (Terminals), IP50 (Enclosure)

Applications:

• Industrial Motor Protection

• HVAC Systems

• Water Pumps and Compressors

• Machine Tools

• Industrial Panels & Automation Systems

Product Benefits:

• Prevents equipment damage from phase loss or reversal

• Enhances system safety and uptime

• Space-saving design ideal for compact panels

• Compatible with wide voltage input range

• Easy installation with DIN or wall mount options

FAQs:

Q1. What voltage range does the 640PSR-V-CE support?
A: It operates efficiently from 154V to 520V AC across 3-phase systems.

Q2. Can it detect both under-voltage and over-voltage conditions?
A: Yes, it monitors under-voltage, over-voltage, and voltage asymmetry with ±1% accuracy.

Q3. What kind of mounting does this relay support?
A: It supports both DIN rail and wall mounting for easy installation in various control panels.