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642PSR | Phase Sequence Relay
Product Overview
The 642PSR Phase Sequence Relay by Selec is a versatile and reliable device designed to monitor phase sequence and phase loss in three-phase systems. It is suitable for both DIN rail and wall mounting, making it ideal for a wide range of industrial and commercial applications.
Key Features
- Phase Sequence Monitoring: Detects correct phase sequence (R-Y-B) and ensures proper operation of three-phase equipment.
- Phase Loss Protection: Automatically disconnects the load in case of phase loss to prevent damage to equipment.
- Wide Voltage Range: Operates within a voltage range of 208-480V AC, making it suitable for various applications.
- LED Indicators: Provides visual indication of phase sequence, phase loss, and relay status for easy monitoring.
- Adjustable Time Delay: Allows users to set a delay time (0.1-10 seconds) to prevent false tripping during transient conditions.
- Compact Design: Space-saving design for easy installation in control panels or enclosures.
- DIN Rail & Wall Mounting: Compatible with standard DIN rails and can also be wall-mounted for flexible installation options.
- High Reliability: Built with high-quality components to ensure long-term reliability and performance.
- Compliance: Meets international standards for safety and performance, ensuring reliable operation in various environments.
Applications
The 642PSR Phase Sequence Relay is widely used in:
- Industrial machinery
- HVAC systems
- Pumps and compressors
- Conveyor systems
- Power distribution panels
Technical Specifications
| Parameter | Value | 
|---|---|
| Voltage Range | 208-480V AC | 
| Frequency | 50/60 Hz | 
| Time Delay | 0.1-10 seconds (adjustable) | 
| Contact Rating | 5A, 250V AC | 
| Mounting | DIN Rail & Wall Mount | 
| Operating Temperature | -10°C to +55°C | 
| Dimensions | 90mm x 35mm x 65mm | 
| Weight | Approx. 200g | 
Why Choose 642PSR?
The 642PSR Phase Sequence Relay offers a perfect blend of advanced features, robust construction, and ease of installation. Its ability to protect three-phase systems from phase sequence errors and phase loss makes it an essential component for ensuring the safety and efficiency of your electrical systems.
 












 
	 
															 
															 
															 
															 
															 
															 
															 
															 
															 
															 
															 
															 
															 
															 
															 
															 
															 
				 
				
 
					 
					 
		 
		 
		 
		 
		