Overview
The Sunray Lighting 550640K T-5 5K miniature incandescent indicator bulb is a standard component in industrial control panels, machinery dashboards, and instrumentation systems. Each box contains 10 bulbs, making it an economical choice for panel builders, maintenance teams, and system integrators. The 5K color temperature provides a warm, reliable light output characteristic of traditional incandescent indicator lamps, ensuring consistent visibility in control room and equipment environments.
Key Features
- T-5 miniature incandescent design for compact panel mounting
- 5K color temperature delivers warm, traditional indicator light
- Box of 10 bulbs reduces replacement cycle downtime
- Suitable for 120V and lower-voltage industrial control applications
- Reliable, proven technology widely used in legacy and modern systems
Technical Specifications
While the Sunray Lighting 550640K is optimized for standard industrial indicator duty, consult the product documentation or contact our sales team for detailed electrical ratings, base type, and exact dimensions. Typical T-5 indicator bulbs range from 0.25 to 2.0 watts and accommodate standard miniature screw bases (E10 or E11), though specific compatibility should be verified before ordering.
Typical Applications
- Control panel status indicators on machinery and equipment
- Instrumentation dashboard indication lights
- Process monitoring systems and industrial automation panels
- Signal and warning light circuits
- Legacy equipment replacement where original T-5 specs are required
Compatibility & Replacements
Compatible With
- Standard 120V industrial control circuits
- Lower-voltage indicator lamp circuits (verify voltage before installation)
- T-5 miniature lamp sockets and holders
- Panel-mount indicator assemblies with E10 or E11 bases
Replaces / Drop-In Replacement For
Verify with your equipment documentation or system integrator before assuming drop-in compatibility. The Sunray Lighting 550640K is designed as a direct replacement for equivalent T-5 5K indicator bulbs in matching applications.
Works With
- Industrial machinery control panels
- Instrumentation and monitoring equipment
- Standard miniature lamp holders and sockets
- AC and DC control circuits (within rated voltage/current limits)





