Emergency 4FT Linkable LED Linear Strip Light – 24/32/40W & 3-CCT | LS-ST4FTXXW-P-XXK-EM

This 4-foot emergency LED linear strip light combines selectable general lighting, end-to-end linking and integrated battery backup in one commercial fixture. Field-selectable wattage and color temperature allow one model to cover multiple lighting requirements, while the emergency system keeps the LED load illuminated for at least 90 minutes after normal AC power is lost.

Lighting Specifications

• Fixture length: 4 feet (48 inches)
• Selectable wattage: 24W, 32W or 40W
• Lumen output: 3,120 lm at 24W; 4,160 lm at 32W; 5,200 lm at 40W
• Efficacy: 130 lm/W
• Selectable CCT: 3500K, 4000K or 5000K
• CRI: Greater than 80
• Beam angle: 130°
• Normal input voltage: AC 100-277V, 50/60Hz
• Dimming: 0-10V dimmable
• Rated life: Up to 50,000 hours
• Lamp efficiency: At least 90%
• Junction temperature: Less than 75°C

Emergency-Lighting System

• Emergency output: Constant 8W
• Emergency duration: Minimum 90 minutes
• Emergency-driver input: AC 100-347V, 50/60Hz
• Emergency output voltage: 60-300VDC
• Battery: Rechargeable LiFePO4
• Battery cycle rating: Up to 2,000 charge/discharge cycles
• Testing: Self-testing system with combined test switch and charge indicator
• Transfer operation: Automatically switches to battery-powered emergency output when normal AC power fails

Construction and Installation

• Housing: 0.6 mm cold-rolled steel with high-gloss white powder-coated finish
• Lens: Frosted, UV-protected polycarbonate for high transmission and reduced glare
• End caps: White aluminum
• Fixture dimensions: Approximately 48 × 2.9 × 3.27 inches
• Mounting: Surface mount or suspended mount
• Linking: End-to-end connectable for continuous-row installations; linking plates and suspension hardware may be sold separately
• Certifications stated in source documentation: UL-listed emergency system; ETL/cETL and DLC Premium fixture platform
• Warranty: Five-year limited warranty

Applications

• Stairwells, corridors and egress pathways
• Retail aisles and shopping centers
• Warehouses, workbenches and assembly areas
• Schools, laboratories and healthcare facilities
• Factories, storage rooms and general commercial interiors

Installation note: This hardwired emergency fixture requires both normal switched power and an unswitched AC feed for battery charging. Installation, linking and testing must be completed by qualified personnel in accordance with the supplied instructions and locally adopted electrical and life-safety requirements. Keep the fixture dry and clean; it is not represented as suitable for wet, outdoor, corrosive or hazardous locations.