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- Estimated life of 4.6 years based on 3 hours use per day
Philips brand Red incandescent heat lamp. 250 Watts and 120 volts for more power and heat. R40 size and shape fits into the larger sized heating fixures sometimes found in both homes and businesses.
- Red color blocks more visible light, while letting infra-red spectrum through
Brand | Philips Lighting |
Model Number | 250R40/HR 120V 4/1 TP |
Energy Used
A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value.
| 250 Watts |
Volts
A measure of "electrical pressure" between two points. The voltage specification of an incandescent lamp is the electrical "pressure" required to drive it at its designed point. The "voltage" of a ballast (e.g. 120 V) refers to the line voltage coming from the power source and is connected to the ballast.
| 120 |
Base
The end (or ends) of the lamp that fits into the socket.
| Medium (E26) |
Bulb Shape
The description of the general appearance of a lamp/bulb consists of a letter(s) followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. For example, a common household bulb is the A-19. The bulb is "A" shape and the diameter would be nineteen 8ths of an inch, or 2 3/8".
| BR-40 |
Bulb Color
The color of the light produced by a bulb
| Red |
Bulb Finish
The surface finish of a bulb, which may affect the quality of the light emitted.
| Clear |
Bulb Technology
The technology implemented by the bulb, e.g. incandescent, halogen, LED
| Incandescent |
Average Rated Life (hr)
A measurement of the average length of time, between first use and the point when 50% of the lamps tested have stopped functioning, , using an operating cycle of 3 hours on, 20 minutes off.
| 5000 |
Class and Filament
A designation used to describe the shape or structure of the filament in an incandescent or halogen light bulb. Most commonly used for specialty products like rough service and antique replica lamps.
| C, C-9 |
Length (in)
Also referred to as "Maximum Overall Length" (MOL). For light bulbs, it measures the length of a light bulb, from the top of the bulb to the bottom of the base or pins and is typically expressed in inches. For light fixtures and ballasts, it applies to the total horizontal length of the item.
| 6.5 |
Diameter (in)
Light bulbs: a measurement of a bulb's width taken at the widest point of the bulb. Fixtures: the measurement across the widest point of a circular fixture.
| 5 |
Dimmable
Indicates whether a product can be dimmed in conjunction with a suitable dimmer control.
| Yes |
GE
A General Electric brand-specific product number for an equivalent item and is provided for the purpose of cross-referencing.
| 37771 - 250R40/10 |