Product Overview
Federal Signal K8107178A Xenon Flash Tube - 400V 30W OEM Replacement for 131ST, 371DST, 400ST Strobe Beacons
Condition
Unused, New Old Stock. Clear glass xenon envelope is intact with no discoloration, spiral coil and trigger wire undamaged. Five-pin base marked "C888" with lot code "0803" stamped on the black molded base - pins are clean, unoxidized, and unbent. Kept in original packaging. Sourced from a government research facility.
Ships same business day from our Idaho warehouse. Packed carefully.
No hassle resolution if there is an issue. Serving customers since 1999.
Product Overview
Federal Signal K8107178A is a xenon strobe flash tube rated at 400V nominal trigger and 30W flash discharge. Designed as a direct OEM replacement for Federal Signal warning lights and beacons, including the 131ST, 131DST, 131C, 400ST, 27XST Revision C, and 371DST Series. Wire lead terminal type, clear glass envelope.
Key Features
- Type: Xenon strobe flash tube, clear glass envelope
- Voltage rating: 400V nominal trigger
- Power rating: 30W flash discharge
- Terminal type: Wire lead
- Five-pin base, black molded housing - lot code "0803" visible on base
- Direct OEM replacement for compatible Federal Signal strobe assemblies
- No discoloration, no evidence of use - unused condition confirmed visually
Applications
- Federal Signal 131ST, 131DST, 131C, 400ST, 27XST Rev C, and 371DST Series strobe beacons
- Industrial safety and hazard warning systems
- Emergency and municipal vehicle lighting maintenance
- Repair and refurbishment of legacy Federal Signal strobe assemblies
- Xenon flash circuit testing and prototyping for makers and electronics experimenters
Frequently Asked Questions
Which Federal Signal fixtures does this tube fit?
Confirmed compatible with the 131ST, 131DST, 131C, 400ST, 27XST Revision C, and 371DST Series strobe warning lights. Verify your beacon model uses the K8107178A tube specification before ordering.
What are the electrical requirements?
400V nominal trigger circuit, 30W flash discharge rating. Requires a compatible Federal Signal strobe fixture designed for those parameters.
Is the glass envelope intact and ready to install?
Yes. Visual inspection confirms the glass envelope is clear and undamaged, the spiral coil and trigger wire are intact, and all five pins are clean with no corrosion or bending.
Is a datasheet or installation guide included?
Not included.
A strobe tube that has never fired a flash - lot code 0803 on the base, pins still bright, waiting to put light back into a beacon that needs it.
