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Wattage Range
250W - 299W (4)
300W - 399W (2)
400W - 499W (8)
600W - 749W (1)
Voltage Range
120V - 129V (4)
Number of Lamps
1 (11)
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Fluorescent Ballasts - Linear
High Intensity Discharge (HID) Ballasts
Sort By:    Page 1 of 2: 1 | 2 15 Matching Products 
Compare up to 4 items
M400ML5AC4M500K
400 Watt, 120-277&480 Volt Metal Halide Ballast
Product No. M400ML5AC4M500K
Length (in): 4.750Brand: Universal
Ballast Factor: 100%Height: 4.300
Width: 3.800Input Volts: 120/208/240/277/480
Number Of Lamps: 1Wattage: 458 Watts
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($ per bulb)
1 to 5$61.99
6 to 11$58.99
12 +$56.99
1 per pack x 1
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M250ML5AC3M500K
250 Watt, 120-277&480 Volt Metal Halide Ballast
Product No. M250ML5AC3M500K
Length (in): 4.000Brand: Universal
Ballast Factor: 100%Height: 2.800
Width: 4.300Input Volts: 120/208/240/277/480
Number Of Lamps: 1Wattage: 280 Watts
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($ per bulb)
1 to 5$60.99
6 to 11$57.99
12+$55.99
1 per pack x 1
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S400ML5AC5M500K
400 Watt, 120-277&480 Volt High Pressure Sodium Ballast
Product No. S400ML5AC5M500K
Length (in): 5.800Brand: Universal
Ballast Factor: 100%Height: 4.300
Width: 4.300Input Volts: 120/208/240/277/480
Number Of Lamps: 1Wattage: 468 Watts
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($ per bulb)
1 to 5$110.99
6 to 11$106.49
12+$101.49
1 per pack x 1
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USB-1632-24
Magnetic Sign Ballast for High Output T12 Lamps
Product No. USB-1632-24
Length (in): 16.700Brand: Universal
Ballast Factor: 80-86%Height: 2.700
Width: 3.200Input Volts: 120
Number Of Lamps: 2/3/4THD: 10-25%
Wattage: 420 Watts 
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($ per bulb)
1 to 5$141.99
6 to 11$134.49
12+$130.49
1 per pack x 1
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P250ML5AC4M500K
250 Watt, 120-277&480 Volt Pulse Start Metal Halide Ballast
Product No. P250ML5AC4M500K
Length (in): 4.750Brand: Universal
Ballast Factor: 100%Height: 4.300
Width: 3.900Input Volts: 120/208/240/277/480
Number Of Lamps: 1Wattage: 285 Watts
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($ per bulb)
1 to 5$135.99
6 to 11$128.99
12 +$123.99
1 per pack x 1
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USB-2048-46
Magnetic Sign Ballast for High Output T12 Lamps
Product No. USB-2048-46
Length (in): 16.700Brand: Universal
Ballast Factor: 86-89%Height: 2.700
Width: 3.200Input Volts: 120
Number Of Lamps: 4/5/6THD: 10-20%
Wattage: 600 Watts 
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($ per bulb)
1 to 5$181.99
6 to 11$173.49
12+$166.49
1 per pack x 1
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P320ML5AC4M500K
320 Watt, 120-277&480 Volt Pulse Start Metal Halide Ballast
Product No. P320ML5AC4M500K
Length (in): 4.750Brand: Universal
Ballast Factor: 100%Height: 4.300
Width: 3.900Input Volts: 120/208/240/277/480
Number Of Lamps: 1Wattage: 405 Watts
Select to compare
($ per bulb)
1 to 5$87.99
6 to 11$83.49
12 +$79.99
1 per pack x 1
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P400ML5AC4M500K
400 Watt, 120-277&480 Volt Pulse Start Metal Halide Ballast
Product No. P400ML5AC4M500K
Length (in): 4.750Brand: Universal
Ballast Factor: 100%Height: 4.300
Width: 3.900Input Volts: 120/208/240/277/480
Number Of Lamps: 1Wattage: 458 Watts
Select to compare
($ per bulb)
1 to 5$92.99
6 to 11$87.99
12 +$84.99
1 per pack x 1
 Save to Bulbtrack®Add to Cart
USB-1024-14
Magnetic Sign Ballast for High Output T12 Lamps
Product No. USB-1024-14
Length (in): 14.400Brand: Universal
Ballast Factor: 82-84%Height: 2.700
Width: 3.200Input Volts: 120
Number Of Lamps: 1/2/3/4THD: 10-25%
Wattage: 325 Watts 
Select to compare
($ per bulb)
1 to 5$108.99
6 to 11$103.99
12+$99.99
1 per pack x 1
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P350ML5AC4M500K
350 Watt, 120-277&480 Volt Pulse Start Metal Halide Ballast
Product No. P350ML5AC4M500K
Length (in): 4.750Brand: Universal
Ballast Factor: 100%Height: 4.300
Width: 3.900Input Volts: 120/208/240/277/480
Number Of Lamps: 1Wattage: 405 Watts
Select to compare
($ per bulb)
1 to 5$88.99
6 to 11$84.99
12 +$81.49
1 per pack x 1
 Save to Bulbtrack®Add to Cart
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