Keystone KT-EMRG-500-SL Fluorescent Emergency Back Up Light Ballast

Keystone Technologies

SKU:
KT-EMRG-500-SL
Typically Ships in 2-3 Business Days* View full description
$54.16
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Description

90 min Operation - 500  Lumens - 120-277V

Benefits

  • Stay prepared with an automatically recharging ballast
  • Save hassle with an emergency ballast for virtually every lamp and fixture type
  • Powers one or two lamps for minimum of 90 minutes with up to 1400 lumens

Lamp Compatibility

  • Compatible with most one-, two-, three-, and four-lamp electronic, standard and dimming AC ballasts.

Features

  • For use in new or existing fixtures, with or without an AC ballast
  • Operates one lamp in emergency mode
  • 2-in-1 LED indicator light and push-to-test switch (for mandated code compliance testing)
  • Internal battery automatically connects to the fluorescent lamp(s) for minimum of 90 minute emergency illumination via an internal solid-state transfer switch
  • A discharged battery completely recharges in 24 hours, via a fully automatic solid-state, two-rate charger
  • Features a time delay technology which helps to overcome end-of-life circuit protection (select models)
  • Usable in sealed and fixtures with a gasket

Downloads

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Disclaimers

*This product typically ships in 2 to 3 business days. Larger quantities may take longer than stated lead-time.  All lead-times are estimates and you will be notified by email if it will take longer than 5 business days to ship. This item ships directly from the factory.

 

Non-Returnable Item Notice:

Due to the sensitive electronic nature of ballasts and the risk of improper installation, tampering, or programming, this item is non-returnable. Please confirm compatibility before purchasing. If your ballast is defective upon arrival or during the warranty period, it may be eligible for a manufacturer warranty replacement. For assistance selecting the correct ballast, please contact our support team.

Extra Information

Brand:
Keystone Technologies
UPC:
890949005996
Illumination Time:
90 min
Initial Light Output:
500 Lumens
Input Voltage:
120-277V
Height (in.):
10
Width (in):
2.10
Length (in.):
1.19
  • 5
    3402 (78.6%)
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    709 (16.4%)
  • 3
    178 (4.1%)
  • 2
    20 (0.5%)
  • 1
    21 (0.5%)
95% of customers rate this company 4- or 5-stars
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Dale M. Verified Customer
04-02-25

Easy and fast

Bryan P. Verified Customer
03-28-25

Just what I was looking for, at a good price.

Steve Z. Verified Customer
03-25-25

quick and easy to order

ROBERT E. Verified Customer
03-24-25

WILL ORDER AGAIN.

AMIR L. Verified Customer
03-19-25

N/A

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