The NICOR EMB400 is an LED emergency driver for field installations. It enables normal and emergency operation of an LED fixture up to 300W that utilize 0-10V dimming or 40W non-dimming. During a power failure, the unit activates emergency mode to maintain constant output power to the fixture for a minimum of 90 minutes without light degradation. The unit contains a lithium battery, charger, and converter circuit in a single housing and features a built-in junction box for simple installation. The EMB400 also features automatic monthly and annual self-testing features with unit status communicated via the illuminated test button.


  • Input Voltage: 120-277VAC 50/60Hz
  • Output Voltage: 200VDC max
  • Output Power: 40W max
  • Illumination Time: 90 minutes
  • Surge Protection: 3kV, Meets ANSI/IEEE C62.41.2-2002
  • Operating Temp: 14°F - 122°F (-10°C - 50°C )
  • Battery Technology: Maintenance free LiFePO4 Lithium Iron Phosphate
  • Recharge Time: 24 hours
  • Weight: 8.8 lb(4kg)
  • Long life, high temperature, maintenance-free LiFePO4 battery
  • Integrated test switch/charge indicator
  • Self-diagnostic/self-test feature
  • Constant power design provides consistent lumen output for >90 minutes
  • Auto sensing output voltage adjusts for various products such as high bays, troffers, etc.
  • 24 hour recharge time
  • Available Remote Control (EMB4001REMOTE) for function test


Part Number:

EMB4001UNVBK - Black