Littelfuse VM500 3-Phase Voltage Monitoring Relay

Introduction

The Littelfuse VM500 3-Phase Voltage Monitoring Relay is a robust solution designed to protect 3- and 4-wire 415V AC 50Hz systems. Its compact design allows for easy mounting on DIN rails, making it a versatile choice for various applications.

Part Description

The VM500 relay is engineered to monitor critical electrical conditions, including undervoltage, overvoltage, phase loss, phase sequence, phase asymmetry, and neutral failure. With adjustable trip thresholds, users can customize the relay to meet specific operational requirements. The built-in LED indicators enhance fault visibility, allowing for quick diagnostics and maintenance. This relay is particularly suitable for environments where reliable voltage monitoring is essential.

Applications

• Water and Waste Management
  • Irrigation pumps
  • Lift stations
  • Cooling towers
  • Automation panels
• Refrigeration and Cooling
  • Rooftop AC units
  • Supermarket refrigeration systems
• Building Systems
  • HVAC compressors
  • Elevators
  • Escalators
• Industrial Machines
  • Conveyors
  • CNC machines
  • Packaging lines

Industries

• Water and Waste Management
• Refrigeration and HVAC
• Building Automation
• Manufacturing and Industrial Automation

Usage Ideas

1. HVAC System Protection: Integrate the VM500 relay into an HVAC system to monitor voltage levels and prevent damage from overvoltage or undervoltage conditions.
2. Industrial Automation Panel: Use the relay in an automation panel to ensure that critical machinery operates within safe voltage parameters, enhancing reliability and reducing downtime.
3. Refrigeration Monitoring: Implement the VM500 in a supermarket's refrigeration system to continuously monitor voltage and alert staff to any irregularities, ensuring food safety and energy efficiency.

Conclusion

The Littelfuse VM500 3-Phase Voltage Monitoring Relay is an essential component for safeguarding electrical systems across various industries. Its ability to monitor multiple fault conditions, combined with adjustable settings and clear fault indicators, makes it a reliable choice for enhancing operational safety and efficiency. Whether in industrial machines, building systems, or refrigeration applications, the VM500 provides peace of mind and protection against voltage-related issues.