250R401NF/RD
Electric Lamps
LAMP,INCANDESCENT
250R401NF/RD
LAMP,INCANDESCENT
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Technical Characteristics
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Bulb Light Transmission Characteristic
transparent
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Features Provided
heat resistant glass
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Voltage Rating
115.000 volts minimum and 125.000 volts maximum
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Current Rating For Which Designed
2.000 amperes minimum and 2.173 amperes maximum
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Burning Position
any acceptable
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Wattage Rating
250.000 watts
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Bulb Style
r (reflector)
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Filament Heavy Duty Service Rating
not rated
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Overall Length
6.875 inches maximum
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Light Intensity Distribution Feature
reflective bowl
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Emitted Light Characteristic
infrared
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Rated Average Life
hours
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Average Life Rating In Hours
5000.0
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Special Features
infrared; designed for service other than illumination
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Filament Designation
c-6 or c-11
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Base Style
medium screw
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Supplementary Features
burn only in porcelain sockets; avoid use at short distances on materials that are flammable or susceptible to heat damage
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Bulb Designator
r-40