1. Product Overview
The Philips 421123 PAR30S Halogen Spot Light Bulb is a 53-watt dimmable bulb designed to provide bright, warm white light. It serves as an energy-efficient replacement for 75-watt incandescent bulbs, offering up to 28% energy savings. This bulb features a clear finish and a Medium Screw (E26) base, making it suitable for various indoor and outdoor applications, including recessed cans, track lights, and flood light fixtures. It delivers instant full brightness without any warm-up time.

Image 1.1: Philips 421123 PAR30S Halogen Spot Light Bulb. This image shows the clear halogen bulb with its E26 medium screw base.

Image 1.2: Packaging for the Philips EcoVantage PAR30S bulb. The packaging highlights 29% energy savings, 53W=75W equivalency, 1-year life, bright light, and dimmable spot features.
2. Safety Information
- Risk of Electric Shock: Always turn off power to the fixture and allow the bulb to cool before replacing.
- Risk of Burns: Bulb may be hot. Do not touch the bulb while operating or immediately after turning off.
- Do Not Use with Damaged Fixtures: Ensure the light fixture is in good working condition and free from damage.
- Proper Disposal: Dispose of used bulbs according to local regulations. This bulb does not contain mercury.
- Indoor/Outdoor Use: This bulb is suitable for both indoor and outdoor applications. Ensure outdoor fixtures are rated for wet locations if exposed to elements.
3. Installation
- Turn Off Power: Before installation, ensure the power supply to the light fixture is turned off at the circuit breaker or wall switch.
- Allow Cooling: If replacing an existing bulb, allow the old bulb to cool completely before handling.
- Remove Old Bulb: Carefully unscrew the old bulb counter-clockwise from the socket.
- Insert New Bulb: Screw the Philips 421123 PAR30S bulb clockwise into the E26 Medium screw base socket until it is snug. Do not overtighten.
- Restore Power: Turn the power back on at the circuit breaker or wall switch.
This bulb is designed for standard E26 Medium screw base sockets.
4. Operating Instructions
- Instant On: The bulb provides full brightness immediately upon flipping the switch, with no warm-up delay.
- Dimmable Functionality: This bulb is fully dimmable. Use with compatible dimmer switches to adjust light output and create desired ambiance.
- Light Color: The bulb produces a soft white light with a color temperature of 2900 Kelvin.

Image 4.1: Color Temperature Chart. This chart illustrates different color temperatures from warm (2000K-2700K) to cool (4000K-6500K). The Philips 421123 bulb provides 2900K, which is a soft white light.
5. Maintenance
- Cleaning: Ensure the bulb is cool and the power is off before cleaning. Wipe the bulb with a soft, dry cloth. Do not use liquid cleaners.
- Replacement: Replace the bulb when it reaches the end of its operational life (approximately 1100 hours). Follow the installation steps for replacement.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light up. |
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| Bulb flickers or dims unexpectedly. |
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7. Specifications
| Model Number | 421123 |
| Brand | Philips LED |
| Light Type | Halogen |
| Wattage | 53 watts |
| Incandescent Equivalent | 75 watts |
| Bulb Shape Size | PAR30S |
| Bulb Base | E26 Medium |
| Brightness | 920 Lumens |
| Color Temperature | 2900 Kelvin (Soft White) |
| Beam Angle | 15 Degrees |
| Voltage | 120 Volts |
| Average Life | 1100 Hours |
| Dimmable | Yes |
| Indoor/Outdoor Usage | Indoor, Outdoor |
| Material | Glass |
| Item Weight | 6.7 ounces (0.42 Pounds) |
| Product Dimensions | 3.38 x 3.75 x 3.75 inches |
| Energy Cost (Estimated) | $6.38 per year (based on 3 hrs/day, 11¢/kWh) |

Image 7.1: Estimated Energy Cost Label. This label shows the estimated annual energy cost of $6.38 based on 920 lumens.

Image 7.2: Lighting Facts Label. This label provides detailed information including brightness (920 lumens), estimated yearly energy cost ($6.38), life (1.0 years), light appearance (2900K Warm), and energy usage (53 watts).
8. Warranty and Support
This Philips PAR30S Halogen Spot Light Bulb comes with a 1-year manufacturer's warranty.
For questions or comments, please contact Philips Lighting Company:
- Phone: 1-800-555-0050
- Address: 200 Franklin Square Drive, Somerset, NJ 08873
- Website: www.philips.com
- Learn More about EcoVantage: applications.nam.lighting.philips.com/ecovantage/





