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FLUORESCENT BALLASTS

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1/08 Fluorescent Ballast. 8W T5 Rapid Start 120V
KEYSTONE

KEYSTONE KTEB-108-1-TP-FC

108-TPFC-K

1/08 Fluorescent Ballast. 8W T5 Rapid Start 120V
$15.78
1/14 Fluorescent Ballast. 14W T5 Rapid Start 120V
KEYSTONE

KEYSTONE KTEB-114-1-TP-FC

114-TPFC-K

1/14 Fluorescent Ballast. 14W T5 Rapid Start 120V
$16.38
1/20 Fluorescent Ballast. 20W T12 Rapid Start 120V..
KEYSTONE

KEYSTONE KTEB-120-1-TP-EMI

120-TPEMI-K

1/20 Fluorescent Ballast. 20W T12 Rapid Start 120V..
$12.96
1/32 Fluorescent Ballast. 32W T8 Instant Start, Low Power. 120 thru 277V
KEYSTONE
$15.48
1/32 Fluorescent Ballast. 32W T8 Program Start. 120 thru 277V
KEYSTONE

KEYSTONE KTEB-132-UV-PS-N-P

132-UVPS-NP-K

1/32 Fluorescent Ballast. 32W T8 Program Start. 120 thru 277V
$20.48
1/35 Fluorescent Ballast. 35W T5 Rapid Start 120V
KEYSTONE

KEYSTONE KTEB-135HE-1-TP

135-HETP-K

1/35 Fluorescent Ballast. 35W T5 Rapid Start 120V
$32.76
1/40 Fluorescent Ballast. 40W Rapid Start 120V..
KEYSTONE

KEYSTONE KTEB-140-1-TP-EMI

140-TPEMI-K

1/40 Fluorescent Ballast. 40W Rapid Start 120V..
$10.31
1/40 Fluorescent Ballast. 40W Rapid Start W With Socket 120V..
KEYSTONE

KEYSTONE KTEB-140-1-TP-EMI-WS

140-TPEMI/WS-K

1/40 Fluorescent Ballast. 40W Rapid Start W With Socket 120V..
$8.35
2/13 Fluorescent Ballast. 2x13W T5 Rapid Start Slim Case 120V With Bracket
KEYSTONE
$18.65
2/20 Fluorescent Ballast. 2x20W T12 120V..
KEYSTONE

KEYSTONE KTEB-220-1-TP-EMI

220-TPEMI-K

2/20 Fluorescent Ballast. 2x20W T12 120V..
$17.01
2/24HO Fluorescent Ballast. 2x24W T5HO Program Start Slim Case. 120 thru 277V
KEYSTONE
$30.14
2/32 Fluorescent Ballast. 2x32W T8 Program Start. 120 thru 277V
KEYSTONE

KEYSTONE KTEB-232-UV-PS-N-P

232-UVPS-NP-K

2/32 Fluorescent Ballast. 2x32W T8 Program Start. 120 thru 277V
$20.48
2/32 Fluorescent Ballast. 2x32W T8 Instant Start. 120 thru 277V..
KEYSTONE
$11.50
2/32 Fluorescent Ballast. 2x32W T8 High Output Program Start. 120 thru 277V
KEYSTONE
$25.25
2/32 Fluorescent Ballast. 2x32W T8 High Output Instant Start. 120 thru 277V
KEYSTONE
$17.75
2/40 Fluorescent Ballast. 2x40W T12 Rapid Start 120V..
KEYSTONE

KEYSTONE KTEB-240-1-TP-PIC

240-TP-PIC-K

2/40 Fluorescent Ballast. 2x40W T12 Rapid Start 120V..
$9.56
2/40 Fluorescent Ballast. 2x40W T12. 120 thru 277V..
KEYSTONE

KEYSTONE KTEB-240-UV-TP-PIC

240-UVTP-K

2/40 Fluorescent Ballast. 2x40W T12. 120 thru 277V..
$11.60
2/54HO Fluorescent Ballast. 2x54W T5HO Program Start Slim Case. 120 thru 277V
KEYSTONE
$31.50
2/54HO Fluorescent Ballast. 2x54W T5HO Program Start. 120 thru 277V..
KEYSTONE
$29.40
2/59 Fluorescent Ballast. 2x59W T8 Instant Start. 120 thru 277V
KEYSTONE
$22.62
2/75 Fluorescent Ballast. 2x75W T12 Instant Start. 120 thru 277V..
KEYSTONE
$19.93
2/75 Fluorescent Ballast. 2x75W T12 Instant Start. Slim Case 120V
KEYSTONE
$18.91
2/86HO Fluorescent Ballast. 2x86W T8HO Instant Start. 120 thru 277V..
KEYSTONE
$37.88
2/110 Fluorescent Ballast. 1-2 Lamp 110W T12HO Rapid Start 120V
KEYSTONE
$31.12
3/32 Fluorescent Ballast. 3x32W T8 Instant Start. 120 thru 277V..
KEYSTONE
$13.60
3/32 Fluorescent Ballast. 3x32W T8 Instant Start High Output. 120 thru 277V
KEYSTONE
$19.11
4/32 Fluorescent Ballast. 4x32W T8 Instant Start. 120 thru 277V..
KEYSTONE
$14.18
4/32 Fluorescent Ballast. 4x32W T8 Instant Start Reduced Output 120V
KEYSTONE
$18.09
4/32 Fluorescent Ballast. 4x32W T8 Program Start 120V
KEYSTONE

KEYSTONE KTEB-432-UV-PS-N-P

432-UVPS-NP-K

4/32 Fluorescent Ballast. 4x32W T8 Program Start 120V
$23.89
4/32 Fluorescent Ballast. 4x32W T8 Program Start, Reduced Output 120V
KEYSTONE
$26.62
Viewing Page 1 of 1

Fluorescent Ballasts

A ballast is a necessary component of any fluorescent lighting system. The ballast is the component that regulates the electric current directed to the lamp, allowing it to be converted to light. Without a ballast to regulate the current, the lamp would be destroyed under the electrical energy input within seconds.

Some ballasts, particularly older ones, modulated current at a very low cycling rate; that is the source of the characteristic hum that's associated with many fluorescent lights. Modern ballasts typically do not function at such a low cycling rate, so the hum is less common with modern fluorescent lights. Modern ballasts also usually don't create the flickering effect when powering on that was common with older fluorescent lights.

Each ballast is rated for use with a certain lamp size and voltage. Some modern ballasts can function using a range of voltages, allowing greater flexibility for the user. It's important to be sure that the ballast and lamp you've selected are compatible.

Additionally, some ballasts will provide a constant source of heat to maintain a consistent temperature while the lamp is operating. This is helpful for extending the lamp's life cycle, as a consistent temperature is key to a fluorescent model's longevity.

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