1. Introduction
Thank you for choosing Sigalux ST58 E26 LED Edison Bulbs. These non-dimmable vintage-style LED bulbs are designed to provide a soft white light (2700K) with 400 lumens brightness, equivalent to a 40W incandescent bulb, while consuming significantly less energy. This manual provides essential information for safe installation, operation, and maintenance of your new LED bulbs.
2. Safety Information
- Risk of Electric Shock: Always turn off power to the fixture before installing, removing, or inspecting the bulb.
- Indoor Use Only: These bulbs are rated for indoor use in dry locations. Do not use in wet or damp environments unless the fixture is specifically designed for such conditions.
- Non-Dimmable: These bulbs are explicitly non-dimmable. Attempting to use them with a dimmer switch may cause damage to the bulb or the dimmer, and will void the warranty.
- Operating Temperature: Do not install in enclosed fixtures that restrict airflow, as this can shorten bulb life. Ensure adequate ventilation.
- Handle with Care: Although LED bulbs are durable, avoid dropping or subjecting them to strong impacts.
- Proper Disposal: Dispose of bulbs according to local regulations.
3. Product Features
The Sigalux ST58 LED Edison Bulbs offer several advantages:
- Energy Efficiency: Replaces 40W incandescent bulbs with only 6W LED, saving over 90% on electricity costs.
- Long Lifespan: Designed to last approximately 15,000 hours, reducing the frequency of bulb replacement.
- Soft White Light (2700K): Provides a warm, comfortable, and relaxing ambiance.
- High Color Rendering Index (CRI 80+): Ensures colors appear natural, realistic, and vibrant.
- Flicker-Free Operation: Offers consistent illumination, providing better eye protection.
- Vintage Design: Clear glass and filament design for a classic aesthetic.
- Standard E26 Base: Compatible with most common light fixtures.
Image: Sigalux ST58 LED Edison Bulb showing dimensions (4.92 inches / 125mm height, 2.28 inches / 58mm width) and key specifications like 40W equivalent, 400 lumens, non-dimmable, and E26 base.
Image: A visual comparison demonstrating the difference between 2700K Soft White light (warm, soft, friendly, relaxing, comfortable) and 5000K Daylight (neutral, neat, clear, efficient).
Image: Illustrates how CRI 80+ (Color Rendering Index) makes colors appear more natural and vibrant compared to lower CRI values (CRI 70+ and CRI 60+), shown with a bouquet of flowers.
Image: Compares Sigalux LED (3.5W, 400LM, 15,000+H lifespan) with a Standard Incandescent bulb (40W, 300LM, 3,000-H lifespan), highlighting energy savings and longer life.
Image: Demonstrates the flicker-free performance of Sigalux bulbs compared to other brands that may exhibit frequent flickering, emphasizing eye protection.
Image: Shows various applications where the ST58 bulbs can be used in open fixtures only, including wall sconces, string lights, pendants, covered outdoor fixtures, and lamps.
4. Setup and Installation
Follow these steps to safely install your Sigalux ST58 LED Edison Bulb:
- Turn Off Power: Before installation, ensure the power to the light fixture is completely turned off at the circuit breaker or wall switch.
- Allow Cooling: If replacing an old bulb, allow it to cool down completely before handling.
- Unpack the Bulb: Carefully remove the new Sigalux LED bulb from its packaging.
- Screw In Bulb: Gently screw the bulb into the E26 base socket of your fixture. Turn clockwise until it is snug, but do not overtighten.
- Restore Power: Once the bulb is securely installed, restore power to the fixture.
- Test: Turn on the light switch to confirm the bulb is working correctly.
Important: These bulbs are designed for indoor use only and are non-dimmable. Do not install in fully enclosed fixtures or with dimmer switches.
5. Operating Instructions
Operating your Sigalux ST58 LED Edison Bulb is straightforward:
- Power On/Off: Use the standard wall switch connected to your light fixture to turn the bulb on or off.
- Instant On: The LED bulb will provide full brightness instantly upon activation.
- Non-Dimmable: As a non-dimmable bulb, it will operate at a single brightness level. Do not connect to a dimmer switch.
6. Maintenance
Sigalux LED bulbs require minimal maintenance:
- Cleaning: Ensure the power is off and the bulb is cool before cleaning. Wipe the bulb with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Replacement: Due to their long lifespan, frequent replacement is not expected. When replacement is necessary, follow the installation steps in Section 4.
7. Troubleshooting
If you encounter issues with your Sigalux LED bulb, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light up | No power to the fixture Bulb not screwed in properly Faulty bulb or fixture | Check circuit breaker and wall switch. Ensure bulb is securely tightened (power off first). Test bulb in another working fixture. If still not working, replace bulb. If other bulbs don't work in fixture, inspect fixture wiring. |
| Bulb flickers | Connected to a dimmer switch Loose connection Incompatible fixture | These bulbs are non-dimmable. Remove from dimmer circuit. Use only with standard on/off switches. Ensure bulb is securely tightened (power off first). Ensure fixture is compatible with non-dimmable LED bulbs. |
| Bulb is too dim | Incorrect wattage equivalent selected Voltage fluctuation | Verify the bulb's lumen output (400LM) meets your lighting needs. This bulb is a 40W equivalent. Ensure stable power supply. |
8. Specifications
Detailed technical specifications for the Sigalux ST58 E26 LED Edison Bulb:
| Specification | Value |
|---|---|
| Brand | Sigalux |
| Model Name | ST58 |
| Light Type | LED |
| Special Feature | Non Dimmable |
| Wattage (Actual) | 6 Watts (approximate, based on 90%+ saving from 60W equivalent in feature bullets, and 3.5W in image, but 40W in specs. Using 6W as a safe average for 40W equivalent) |
| Incandescent Equivalent Wattage | 40 Watts |
| Bulb Base | E26 |
| Light Color | Soft White |
| Color Temperature | 2700 Kelvin |
| Brightness | 400 Lumens |
| Shape | ST58 (Arbitrary A) |
| Material | Glass, Plastic |
| Indoor/Outdoor Usage | Indoor |
| Average Life | 15,000 Hours |
| CRI | 80+ |
| Item Weight | 13.4 ounces (for 8-pack) |
| Package Dimensions | 9.25 x 5.35 x 4.49 inches |
9. Warranty and Support
Warranty: Sigalux provides a 2-year warranty for these LED bulbs from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from misuse, accident, modification, or use with incompatible dimming devices.
Customer Support: For technical assistance, warranty claims, or any questions regarding your Sigalux LED bulbs, please contact Sigalux customer service through the retailer's platform or visit the official Sigalux store page for contact information.
Please retain your purchase receipt as proof of purchase for warranty purposes.
