Linear Fluorescent Ballasts from Keystone where Number of Lamps is 4

Keystone Instant Start Electronic Ballast, 120-277V For (4) F32T8 Lamps

SKU: KTEB-432-UV-IS-N-P | Ordering Code: KTEB-432-UV-IS-N-P

• 88-96 Ballast Factor
• 3/4 Lamps
• 120/277 Volts
• 1.1" High
• 9.5" Long
• 1.3" Wide
• More details

Keystone Program Start Electronic Ballast, 120-277V For (4) F54T5HO Lamps

SKU: KTEB-454HO-UV-PS | Ordering Code: KTEB-454HO-UV-PS

• 103-110 Ballast Factor
• 1-4 Lamps
• 120-277 Volts
• 1.2" High
• 16.7" Long
• 1.7" Wide
• More details

Keystone Instant Start Electronic Ballast, 120-277V For (4) F32T8 Lamps

SKU: KTEB-432-UV-IS-L-P | Ordering Code: KTEB-432-UV-IS-L-P

• 75-90 Ballast Factor
• 3/4 Lamps
• 120/277 Volts
• 1.2" High
• 9.5" Long
• 1.4" Wide
• More details

Keystone Parallel Wire Electronic Sign Ballast, 120-277 Volt for 4 to 6 F96T12/HO, F72T8/HO lamps

SKU: KTSB-E-0848-46-UV | Ordering Code: KTSB-E-0848-46-UV

• 4-6 Lamps
• 120/277 Volts
• 2.2" High
• 14.5" Long
• 3.2" Wide
• More details

Keystone Parallel Wire Electronic Sign Ballast, 120-277 Volt for 1 to 4 F96T12/HO, F72T8/HO lamps

SKU: KTSB-E-0432-14-UV | Ordering Code: KTSB-E-0432-14-UV

• 1/2/3/4 Lamps
• 120-277 Volts
• 1.9" High
• 11.7" Long
• 3.2" Wide
• More details