1. Introduction
This manual provides essential information for the safe and efficient use of the ABB BA9S-12LEDR Miniature LED Bulb. Please read this manual thoroughly before installation or operation and retain it for future reference.
2. Safety Information
Always observe the following safety precautions to prevent injury or damage to the product.
- Electrical Safety: Ensure power is disconnected before installing or replacing the bulb.
- Voltage Compatibility: Verify that the power supply voltage matches the bulb's specifications.
- Handling: Handle the bulb by its base to avoid touching the glass or LED components directly.
- Disposal: Dispose of old bulbs according to local regulations for electronic waste.
- Operating Environment: Do not expose the bulb to excessive moisture or extreme temperatures outside its specified operating range.
3. Product Overview
The ABB BA9S-12LEDR is a miniature LED bulb designed for various indicator and signaling applications. It features a BA9S bayonet base and emits red light.

Figure 1: ABB BA9S-12LEDR Miniature LED Bulb. This image shows the compact design of the bulb with its metal bayonet base and translucent white plastic housing for the LED element.
4. Setup and Installation
Follow these steps for proper installation of the LED bulb:
- Power Disconnection: Ensure the power supply to the fixture is completely turned off at the circuit breaker or switch.
- Remove Old Bulb: If replacing an existing bulb, gently push down and twist the old bulb counter-clockwise to remove it from the BA9S socket.
- Insert New Bulb: Align the two pins on the base of the ABB BA9S-12LEDR bulb with the slots in the socket. Push the bulb gently into the socket and twist clockwise until it locks into place.
- Restore Power: Once the bulb is securely installed, restore power to the fixture.
- Test: Turn on the switch to verify the bulb illuminates.
Note: Do not force the bulb into the socket. If it does not fit easily, recheck the base type and alignment.
5. Operating Instructions
The ABB BA9S-12LEDR LED bulb operates immediately upon receiving power. It is designed for continuous operation within its specified voltage and temperature ranges.
- Activation: The bulb will illuminate when power is supplied to the circuit it is connected to.
- Deactivation: The bulb will turn off when power is removed from the circuit.
- Dimming: This bulb is typically not designed for dimming unless explicitly stated by the manufacturer for specific models. Attempting to dim a non-dimmable LED bulb may cause flickering or damage.
6. Maintenance
The ABB BA9S-12LEDR LED bulb requires minimal maintenance due to its long lifespan and robust design.
- Cleaning: If necessary, gently wipe the bulb with a soft, dry cloth. Do not use abrasive cleaners or solvents. Ensure the bulb is cool and power is disconnected before cleaning.
- Inspection: Periodically inspect the bulb and its connections for any signs of damage or loose contacts.
- Replacement: Replace the bulb if it flickers, dims significantly, or fails to illuminate.
7. Troubleshooting
If you encounter issues with your ABB BA9S-12LEDR LED bulb, refer to the following table:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not illuminate | No power to the fixture Bulb not properly seated Faulty bulb Incorrect voltage | Check circuit breaker and switch Re-seat the bulb firmly Replace the bulb Verify power supply voltage matches bulb requirements |
| Bulb flickers | Loose connection Incompatible dimmer (if applicable) Voltage fluctuations | Ensure bulb is securely seated Remove dimmer or replace with LED-compatible dimmer Consult an electrician for voltage stability issues |
| Bulb is dim | Low voltage Aging bulb | Verify power supply voltage Replace the bulb |
8. Specifications
Key technical specifications for the ABB BA9S-12LEDR Miniature LED Bulb:
- Brand: ABB
- Model Number: 1BIX46KH8
- Bulb Type: Miniature LED
- Base Type: BA9S (T2-1/2)
- Color: Red
- Power Consumption: 0.78W
- Item Weight: 907 g
- Package Dimensions: 20.32 x 20.32 x 20.32 cm
- ASIN: B09Z1W9Q7X
- UPC: 078282195028
9. Warranty and Support
For warranty information and technical support, please refer to the official ABB website or contact your local ABB distributor. Keep your purchase receipt as proof of purchase.
Online Resources: www.abb.com





