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You are here: Home > Miniature Bulbs By Base > Insert & Twist Base > Prefocus Base
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S.C. Prefocus Base (P15s30B) S.C. Prefocus Base (P15s30)
D.C. Prefocus Base (P15d30) D.C. Prefocus Base (P15d30A)
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#1501 Miniature Bulb P15s30B Base #1634 Miniature Bulb P15d30A Base
Our Price: $1.38
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Our Price: $1.72
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#1501 Miniature Bulb P15S Base, RP11 5.9V 6.36A SC BAY,1501,#1501,#1501 Bulb, #1501 Lamp, #1501 Miniature Lamp, #1501 Indicator #1634 Miniature Bulb P15d30A Base, S8 DC PREF 20V 1A 24CP, 1634,#1634, #1634 Bulb, #1634 Lamp, #1634 Miniature Lamp, #1634 Indicator,#1634 Miniature Lamp P15d30A Base
#1501 Miniature Bulb P15S Base - 5.9 Volt 6.36 Amp RP-11 SC Prefocus Base, 200 Hour #1634 Miniature Bulb P15d30A Base - 20 Volt 1 Amp 20 Watt S8 D.C. Prefocus Base, 200 Hour
#1044 Miniature Bulb P15d30 Base #1561 Miniature Bulb P15s30B Base
Our Price: $1.80
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Our Price: $2.46
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#1044 Miniature Bulb P15d30 Base,RP11 12.8/12.8V 2.73/1.83A DC PREFOCUS, 1044,#1044, #1044 MINIATURE, #1044 LAMP, #1044 BULB, #1044 INDICATOR,UPC#014271029288 #1561 Miniature Bulb P15S30 Base, S11 P15S30 6.3V 4A, 1561, #1561, #1561 Bulb, #1561 Lamp, #1561 Miniature Lamp, #1561 Indicator,#27431, TD100, TD203A, TD205, 8000072
#1044 Miniature Bulb P15d30 Base - 12.8/12.8 Volt 2.73/1.83 Amp RP-11 Double Contact (DC) Prefocus (P15d30) Base 240/195 Hour #1561 Miniature Bulb P15S30 Base - 6.3 Volt 4 Amp 25.2 Watt S-11 Single Contact Prefocus P15S30 Base, C-8Z Filament Design. 2.38" Maximum Overall Length. 1,500 Average Rated Hours.
WIKO BRS (.75A/4V) Exciter Lamp P15S30 Base BXA (7.5A/10V) Exciter Lamp P15S30 Base
Our Price: $2.70
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Our Price: $2.85
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WIKO BRS (.75A/4V) Exciter Lamp P15S30 Base, BRS Exciter Bulb, Wiko# 00310, GE#70002, Philips #7253C, Osram #8004, USHIO #8000264 BXA (7.5A/10V) Exciter Lamp P15S30 Base, 7.5A/T8SCP, Marble Brand BXA Exciter Lamp
WIKO BRS (.75A/4V) Exciter Lamp P15S30 Base - 50 Watt 5 Amp 10 Volt T8 Sound Reproduction Exciter Lamp, Ba15S Base, 100 Hour BXA (7.5A/10V) Exciter Lamp P15S30 Base - 75 Watt 7.5 Amp 10 Volt T8 Exciter Lamp, 100 Hour
#1631X Miniature Bulb P15d30A Base #1630 Miniature Bulb P15d30A Base
Our Price: $3.20
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Our Price: $5.95
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#1631X Miniature Bulb P15d30A Base, S8 DC PREF A 6.5V 2.75A 23CP SIL, 1631X, #1631X, #1631X Miniature, #1631X Bulb, #1631X Lamp, #1631X Indicator, Eiko# 40312, 31-31-85, 31-31-86, 31-33-53, #756265, #8000093 #1630 Miniature Bulb P15d30A Base,S-8 D.C. Prefocus (P15d30A) A 6.5V 2.75A 23CP,#1630,1630,#1630 Miniature Lamp,#1630 Indicator,#1630 Bulb
#1631X Miniature Bulb P15d30A Base - 6.50 Volt 2.75 Amp 17.875 Watt S-8 D.C. Prefocus Base, 100 Hour #1630 Miniature Bulb P15d30A Base - 6.5 Volt 2.75 Amp 17.875 Watt S-8 D.C. Prefocus Base, 100 Hour
55A/S8 SINGLE CONTACT PREFOCUS BASE 55A/S8 SINGLE CONTACT PREFOCUS BASE
Our Price: $7.90
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Our Price: $7.90
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55A/S8 SINGLE CONTACT PREFOCUS BASE, 55A/S8, #55A/S8, #55A/S8 BULB, #55A/S8 MINIATURE, #55A/S8 LAMP, CM2374X, EIKO# 41702 55A/S8 SINGLE CONTACT PREFOCUS BASE, 55A/S8, #55A/S8, #55A/S8 BULB, #55A/S8 MINIATURE, #55A/S8 LAMP, CM2374X, EIKO# 41702
55A/S8 SINGLE CONTACT PREFOCUS BASE - 12 Volt 0.55 Amp S-8 Single Contact Prefocus Base, 500 Hour 55A/S8 SINGLE CONTACT PREFOCUS BASE - 12 Volt 0.55 Amp S-8 Single Contact Prefocus Base, 500 Hour
77A/S8 SINGLE CONTACT PREFOCUS BASE 77A/S8 SINGLE CONTACT PREFOCUS BASE
Our Price: $8.50
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Our Price: $8.50
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77A/S8 SINGLE CONTACT PREFOCUS BASE, 77A/S8,#77A/S8, #77A/S8 BULB, #77A/S8 MINIATURE, #77A/S8 LAMP, CM2033X, EIKO# 41704 77A/S8 SINGLE CONTACT PREFOCUS BASE, 77A/S8,#77A/S8, #77A/S8 BULB, #77A/S8 MINIATURE, #77A/S8 LAMP, CM2033X, EIKO# 41704
77A/S8 SINGLE CONTACT PREFOCUS BASE - 12 Volt 0.77 Amp S-8 Single Contact Prefocus Base, 500 Hour 77A/S8 SINGLE CONTACT PREFOCUS BASE - 12 Volt 0.77 Amp S-8 Single Contact Prefocus Base, 500 Hour
   
 
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Prefocus Base Light Bulbs fall into two basic categories: Single Contact (S.C.) and Double Contact (D.C.). Prefocus Base Bulbs have a base diameter of 15 millimeters regardless of whether they are Single or Double Contact. The Maximum Outer Diameter (M.O.D.) for the "collar" or focus ring is 30 millimeters. The letter "A" indicates that the distance from the bottom of the focus ring or collar to the bottom of the base contact is 13/32. Prefocus Base Bulbs with the letter "B" indicates that the distance from the bottom of the focus ring or collar to the bottom of the base contact is 9/16.