Schneider PMR-440N7Q three-phase monitoring relay

Product Description

The Schneider PMR-440N7Q is a versatile three-phase monitoring relay designed to protect electrical equipment from various faults such as phase unbalance, phase loss, and over/under voltage. It is a compact and reliable device that can be easily integrated into industrial control systems.

Voltage Rating: 340-480V AC ¹

• Contact Type: 1 C/O (normally open)

• Mounting: 35mm DIN rail

• Protection Functions: Phase unbalance, phase loss, over/under voltage

• Time Delay: Adjustable time delay for trip or alarm functions

• Indicators: LEDs for power, fault, and alarm conditions

Advantages

• Reliability: Designed for harsh industrial environments, offering high reliability and durability.

• Flexibility: Can be configured to meet a wide range of application requirements.

• Easy Installation: Simple to install on a DIN rail.

• Compact Design: Saves space in control panels.

• Safety: Helps to protect electrical equipment and personnel.

Precautions

• Installation: Follow the manufacturer's instructions carefully to ensure correct installation and wiring.

• Wiring: Ensure proper wiring to avoid damage to the relay and other equipment.

• Environment: Avoid exposing the relay to excessive heat, cold, or humidity.

• Calibration: Regular calibration may be required to maintain accuracy.

Applications

• Motor Protection: Protects motors from phase unbalance, phase loss, and other faults.

• Generator Protection: Monitors generator output for abnormal conditions.

• Process Control: Used in process control systems to monitor power supply and detect faults.

• Power Distribution: Monitors power distribution systems for faults and alarms.

Additional Information

• Technical Data: Detailed technical data can be found in the product datasheet.

• Customization: The relay can be customized to meet specific application requirements.

• Accessories: Various accessories are available, such as auxiliary contacts and mounting accessories.

Conclusion

The Schneider PMR-440N7Q is a robust and reliable three-phase monitoring relay that offers excellent protection for electrical equipment. Its compact design, flexibility, and ease of use make it a popular choice for a wide range of industrial applications.

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

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