Littelfuse 8-PIN Solid State Overload Relay Voltage Monitor

Voltage monitoring relay for lift systems, providing protection against phase loss, voltage faults, and overload conditions.

This solid state overload relay functions as a voltage line monitor, helping safeguard lift equipment from irregular voltage conditions, phase loss, and overload situations. Commonly used across a wide range of lift makes and models, this relay ensures consistent system performance by continuously monitoring electrical parameters. Its solid state design delivers dependable operation without mechanical wear, making it a reliable replacement for legacy protection relays in modernized or existing lift control systems.

• Rated current: 240A
• Three-phase voltage monitoring capability
• Nominal system voltage: 200–480 VAC range
• Frequency: 50/60 Hz compatible
• Detects phase loss, phase reversal, and voltage imbalance
• Adjustable trip delay settings for customized protection response
• Overload trip class configurable (typical Class 10/20 range)
• Automatic and manual reset options
• LED status indicators for diagnostics and system feedback
• DIN rail or panel mount configuration
• Operating temperature range: -20°C to +60°C
• Solid state design for high reliability and reduced maintenance

Proper installation and configuration should always be carried out by qualified personnel to ensure safe and reliable operation within the intended system environment.