Knightsbridge EMPOWER4ST 230V IP20 3.5W LED Self-Test Emergency Downlight 5500K (Maintained/Non-Maintained Use)

The Knightsbridge EMPOWER4ST 230V IP20 3.5W LED Self-Test Emergency Downlight provides an all-in-one emergency lighting solution with intelligent self-testing functionality for effortless compliance and maintenance. Part of the advanced EMPOWER4 range, it combines reliable performance, long battery life, and sleek design — ideal for commercial, retail, and residential applications.

Equipped with a durable LiFePO4 lithium battery, the EMPOWER4ST ensures a minimum of 3 hours of emergency illumination during power failure. Its built-in auto test facility (in accordance with EN 62034) performs routine checks automatically at pre-set intervals, reducing the need for manual testing. The fitting also includes a corridor lens accessory for enhanced light distribution and a separate green LED charge indicator for easy visual monitoring.

• Integrated self-test facility for automatic compliance testing
• Operates in maintained or non-maintained mode
• Pre-wired LiFePO4 battery pack for quick and easy installation
• Includes green LED charge indicator for status monitoring
• Supplied with corridor lens accessory for adaptable applications
• 5500K daylight colour temperature for clear, bright illumination
• Provides 3 hours of emergency operation in the event of power loss

Ideal for offices, schools, hotels, and commercial environments requiring dependable, self-testing emergency lighting with minimal maintenance.

Technical Documentation:

Click here to view the Data Sheet

Installation Guide:

Click here for the Instruction Manual

The Knightsbridge EMPOWER4ST combines intelligent self-testing, reliable lithium technology, and effortless installation — ensuring full compliance, energy efficiency, and peace of mind in any emergency lighting application.