User Manual for Philips Ultinon Pro3000 SI Car Signaling Bulb
Quick guide for the Philips Ultinon Pro3000 SI car signaling bulb (11860U30CWB1). Learn about specifications, installation, and usage for this 12V LED festoon bulb.
Table of contents
Quick guide from the manual
The Philips Ultinon Pro3000 SI is a 12V LED festoon bulb designed for interior car signaling. It features a plug-and-play design for easy replacement of standard bulbs. Important: This product is for interior use only and is not ECE homologated for exterior road use.
Product Overview
The Ultinon Pro3000 series provides bright, cool white light (6000 K) to enhance visibility inside the vehicle. It is designed to be a durable, long-lasting alternative to conventional incandescent bulbs, offering a lifetime of approximately 3,000 hours.

Specifications
- Model: 11860U30CWB1
- Type: LED-FEST 30mm (~C5W)
- Voltage: 12V
- Wattage: 0.6W
- Color Temperature: 6000 K (Cool White)
- Brightness: 50 Lumens
- Lifetime: 3000 hours
Installation
The bulb is designed for a simple plug-and-play replacement. Ensure the vehicle's electrical system is turned off and the existing bulb has cooled down before attempting removal. Remove the old bulb from the festoon socket and insert the Philips LED bulb. If the LED does not illuminate, remove it, rotate it 180 degrees, and reinsert it, as LEDs are polarity sensitive.
Safety and Limitations
- Interior Use Only: This bulb is intended for interior signaling and illumination.
- Homologation: This product is not ECE homologated for exterior road use.
- Compatibility: Ensure your vehicle uses a 30mm festoon (C5W) bulb type before installation.
Manufacturer information
Philips
Practical help
Common problems
LEDs are polarity sensitive. Remove the bulb, rotate it 180 degrees, and reinsert it into the socket.
No. This product is not ECE homologated for exterior road use and is intended for interior lighting only.
Before use
- Verify that your vehicle's existing bulb is a 30mm festoon (C5W) type.
- Ensure the vehicle's electrical system is 12V.
- Turn off the vehicle lights and allow them to cool before handling.
- Check the socket for any corrosion or damage before installing the new bulb.
Model compatibility
- Designed for interior signaling.
- Not ECE homologated for exterior road use.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.