Description

The WSD-EMS8W27-XX Emergency LED Driver is an 8W battery backup driver with an external lithium battery pack, keeping LED fixtures lit for at least 90 minutes during a power outage. It automatically switches to emergency power when the AC supply is interrupted and returns to normal charging once power is restored. It is UL Listed to UL924 for both factory and field installation and built for indoor dry and damp locations.

• External lithium battery pack, connected to the driver by lead wires
• Emergency runtime: ≥1.5 hours (90 minutes)
• Output voltage: 36-60V DC; output power 8W
• Constant power emergency output
• Battery protections: overcharge, over-discharge, and short-circuit protection
• Batteries rated for 500 cycles of standard charge/discharge
• Universal input voltage: 100-347VAC, 50/60Hz; AC input current 100mA max; AC input power rating 7.0W max
• The connected AC LED driver’s output cannot exceed 150W or 4A
• Illuminated test switch with indicator light; red LED indicates charging
• Battery charging current: 250mA; charging time ≥24 hours
• Requires an unswitched AC power source on the same branch circuit as the AC LED driver
• Designed for dry and damp locations only — do not use outdoors, and do not mount near gas or electric heaters
• For use with grounded, UL Listed LED luminaires; the emergency driver must be enclosed by the LED luminaire and bonded to its grounding
• Ambient temperature rating (Li-ion): 5°C to +50°C (41°F to 122°F)
• Customers are advised to recharge the driver for 24 hours every 6 months during storage
• Standards: UL924, CSA C22.2 No.141
• 5-year limited warranty
• UL Listed (cULus, file E530386)

Applications

Emergency backup lighting for LED fixtures in commercial and industrial interiors where a separate, remotely mounted battery pack is preferred.

Product Attributes

Variations