1. Introduction
This manual provides essential information for the safe and effective use of your Satco S9489 Hi-Pro LED HID-Replacement Corncob Light Bulb. This high-lumen, omni-directional LED lamp is designed for industrial and commercial applications, offering an energy-efficient alternative to traditional HID, CFL, and Incandescent bulbs. Please read all instructions carefully before installation and operation.
2. Safety Information
To prevent personal injury or product damage, always follow these basic safety precautions:
- WARNING: Risk of Electric Shock. Disconnect power at the fuse or circuit breaker before installation or servicing.
- This product is intended for use with a 100-277V electrical system. Ensure the supply voltage is compatible with the bulb's requirements.
- Do not use with dimmers. This bulb is non-dimmable.
- Do not disassemble or modify the bulb. There are no user-serviceable parts inside.
- Ensure the fixture is rated for the weight and dimensions of this bulb.
- Avoid direct eye exposure to the light source when the bulb is illuminated.
- Dispose of the bulb according to local regulations.
3. Setup and Installation
Follow these steps for proper installation:
- Turn off power: Before beginning installation, ensure the power to the fixture is completely turned off at the circuit breaker or fuse box.
- Remove existing bulb: Carefully unscrew and remove the old bulb from the fixture. Allow it to cool if it was recently in use.
- Inspect fixture: Verify that the fixture's socket is clean and in good condition. Ensure the fixture is suitable for the bulb's dimensions (3.69"W x 9.25"H) and weight (2 pounds).
- Install new bulb: Gently screw the Satco S9489 LED bulb into the compatible medium base socket until it is snug. Do not overtighten.
- Restore power: Once the bulb is securely installed, restore power at the circuit breaker or fuse box.
This bulb is UL approved for totally enclosed fixtures and can operate in base up, base down, or horizontal orientations.

Image 3.1: Satco S9489 LED Corncob Light Bulb showing its dimensions (3.69 inches width and 9.25 inches height).

Image 3.2: Front view of the Satco S9489 LED Corncob Light Bulb.
4. Operating Instructions
The Satco S9489 LED bulb operates like a standard light bulb. Once properly installed and power is restored, simply use the fixture's switch to turn the light on or off. This bulb is designed for immediate full brightness upon activation.
- Non-Dimmable: This bulb is not compatible with dimmer switches. Attempting to use it with a dimmer may cause damage to the bulb or the dimmer, and will void the warranty.
5. Maintenance
The Satco S9489 LED bulb is designed for long-term, maintenance-free operation with a rated life of 50,000 hours.
- Cleaning: To clean the bulb, ensure the power is off and the bulb is cool. Wipe gently with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- No User-Serviceable Parts: Do not attempt to open or repair the bulb. Any such action will void the warranty and may pose a safety risk.
6. Troubleshooting
If you encounter issues with your Satco S9489 LED bulb, refer to the following common problems and solutions:
- Bulb does not light:
- Ensure power to the fixture is on.
- Check that the bulb is screwed in securely.
- Verify that the fixture itself is working correctly by testing with another known-good bulb.
- Confirm the supply voltage is within the 100-277V range.
- Bulb flickers:
- Ensure the bulb is not connected to a dimmer switch. This bulb is non-dimmable.
- Check for loose connections in the fixture or wiring.
If these steps do not resolve the issue, please contact Satco customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Satco |
| Model Number | S9489 |
| Light Type | LED |
| Wattage | 36 watts |
| Light Color | Amber (Un-lensed Amber) |
| Voltage | 100-277 volts |
| Light Output Maximum | 4140 lumens |
| Color Rendering Index (CRI) | 80 |
| Special Features | Energy Efficient, Long Lasting, Non-Dimmable |
| Connectivity Technology | Normal bulb |
| Item Weight | 2 pounds |
| Item Dimensions (W x H) | 3.69"W x 9.25"H |
| Material Type | Glass |
| Rated Life | 50,000 hours |
8. Warranty
The Satco S9489 LED Hi-Pro Corncob Light Bulb comes with a 5-year limited manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. For full details regarding warranty coverage and claims, please refer to the official Satco warranty policy or contact customer support.
9. Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Satco customer support:
- Visit the official Satco website for contact information and support resources.
- Have your product model number (S9489) and purchase date available when contacting support.







