1. Introduction
This manual provides essential information for the safe installation, operation, and maintenance of your SATCO S9950 23 Watt PLL T5 LED Light Bulb. Please read these instructions thoroughly before installation and retain them for future reference.

Image 1.1: The SATCO S9950 23 Watt PLL T5 LED Light Bulb. This image displays the elongated, frosted LED tube with a 2G11 base, designed for efficient lighting.
2. Safety Information
WARNING: Risk of electric shock. Installation requires knowledge of luminaires electrical systems. If not qualified, do not attempt installation. Contact a qualified electrician.
- Always turn off power at the circuit breaker before installation, removal, or inspection.
- This lamp is designed for Ballast Bypass (Type B) operation. It requires direct wiring to the main voltage. Do not use with a ballast.
- Do not use in fully enclosed luminaires unless specified.
- Ensure the voltage supply (120-277V) matches the lamp's requirements.
- Do not disassemble or modify the lamp.
- Avoid touching the lamp with wet hands.
- Dispose of lamps according to local regulations.
3. Product Overview and Features
The SATCO S9950 is a high-efficiency 23 Watt PLL T5 LED light bulb, designed as a direct replacement for traditional fluorescent lamps in ballast bypass applications. It offers significant energy savings and a long lifespan.
- Model: S9950
- Wattage: 23 Watts
- Base Type: 2G11
- Lumen Output: 2800 Lumens
- Color Temperature: 3500K (Neutral White)
- Voltage: 120-277 Volts
- Type: Ballast Bypass (Type B)
- Feature: Frosted finish for diffused light
4. Setup and Installation (Ballast Bypass)
This LED lamp operates on a ballast bypass system, meaning the existing ballast must be removed or bypassed, and the lamp wired directly to the main voltage supply. Professional installation is recommended.
- Turn Off Power: Locate the circuit breaker controlling the fixture and turn off the power supply. Verify power is off using a voltage tester.
- Remove Existing Lamp: Carefully remove the old fluorescent lamp from the fixture.
- Bypass/Remove Ballast:
- Open the fixture to access the wiring compartment.
- Disconnect all wires leading to and from the existing ballast.
- Remove the ballast from the fixture.
- Rewire the fixture to provide direct AC line voltage to the lamp holders. For a 2G11 base, ensure the live (L) and neutral (N) wires are connected to the appropriate pins on the lamp holder. Refer to the fixture's wiring diagram or consult a qualified electrician.
- Install LED Lamp: Insert the SATCO S9950 LED lamp into the 2G11 lamp holder, ensuring it is securely seated.
- Restore Power: Close the fixture cover and restore power at the circuit breaker.
- Test: Turn on the light switch to confirm proper operation.
Note: This lamp is designed for single-ended power input. Ensure wiring is configured correctly for the 2G11 base.
5. Operating Instructions
Once installed, the SATCO S9950 LED light bulb operates like any standard light source. Simply use the wall switch or fixture control to turn the light on or off.
- Ensure the power supply is within the specified voltage range (120-277V).
- Avoid frequent on/off cycling, though LED lamps are generally robust to this.
6. Maintenance
The SATCO S9950 LED light bulb requires minimal maintenance.
- Cleaning: Before cleaning, ensure the power is off and the lamp is cool. Wipe the frosted surface with a soft, dry, or slightly damp cloth. Do not use abrasive cleaners or solvents.
- Replacement: When the lamp reaches the end of its lifespan, follow the "Setup and Installation" steps in reverse to safely remove and replace it. Ensure power is off before handling.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lamp does not light up. |
|
|
| Lamp flickers. |
|
|
8. Specifications
| Attribute | Value |
|---|---|
| Brand | Satco |
| Model Number | S9950 |
| Light Type | LED |
| Wattage | 23 Watts |
| Incandescent Equivalent Wattage | 40 Watts |
| Bulb Shape Size | T5 1/2 |
| Base Type | 2G11 |
| Special Feature | Frosted |
| Light Color | Neutral White |
| Color Temperature | 3500 Kelvin |
| Brightness | 2800 Lumens |
| Voltage | 120-277 Volts |
| Power Source | Corded Electric |
| Color Rendering Index (CRI) | 80 |
| Efficiency | 122 Lumens/Watt |
| Material | Copper (internal components) |
| Product Dimensions | 25 x 7 x 7 inches (packaging/overall dimensions, bulb itself is elongated) |
| Item Weight | 14.4 ounces |
| Indoor/Outdoor Usage | Outdoor (suitable for appropriate fixtures) |
9. Warranty and Support
For warranty information or technical support regarding your SATCO S9950 LED light bulb, please refer to the official Satco website or contact their customer service directly. Keep your purchase receipt for warranty claims.
Manufacturer: Satco
Website: www.satco.com





