Keystone Program Start Electronic Ballast, 120-277V For (1 or 2) CFL or Circline Fluorescent Lamps

SKU: KTEB-218-UV-RS-DW | Ordering Code: KTEB-218-UV-RS-DW

Keystone KTEB-218-UV-RS-DW Program Start Electronic Ballast, 120-277V For (1 or 2) CFL or Circline Fluorescent Lamps

Prices correct at 5:17 AM, 4/24/2026 and are subject to change

$35.99each

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Product Highlights

Ignites up to two 4-pin lamps

Product Description–

Keystone Program Start Electronic Ballast, 120-277V For (1 or 2) 18W-26W CFL or Circline Fluorescent Lamps

Ignites the following lamp combinations:

1 or 2 18W G24q CFL lamps
1 or 2 18W GX24q CFL lamps
1 or 2 21W 4-pin Circline Fluorescent lamps
1 or 2 16W 4-pin CFL Lamps
1 26W G24q CFL Lamp
1 26W Gx24q CFL Lamp
Maximum Case Temperature: 194ºF, 90ºC
Class P, Type 1 Outdoor

Product Documents

Manufacturer Spec Sheet

Full Specs–

Brand	Keystone
Input Volts	120/277
Input Watts	21-39
Number of Lamps	1/2
Ballast Factor	90-100
Length (in)	5
Width (in)	2.4

Height (in)	1
Power Factor	92-99
Lamps by Wattage	1x16W, 1x18W, 1x21W, 1x26W, 2x18W, 2x21W
Manufacturer Warranty	5 years limited
Ballast Lamp Type	4-pin
Start Type	Program