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Pass & Seymour FS25 Glow Switch Fluorescent Starter, 2-Pin
The Pass & Seymour FS25 is a 2-pin glow switch fluorescent starter without reset, engineered for reliable ignition of 22 watt circline and 25 watt standard fluorescent lamps. Compact at 1.50" in height and 0.84" in diameter, this starter is built with quality materials and a time-tested design for dependable performance in commercial and residential fluorescent fixtures. It is UL Listed, CSA listed, and RoHS compliant, making it a code-conscious replacement part for maintaining older fluorescent lighting systems.
Key Features
- Compact Dimensions: 1.50" height x 0.84" diameter for a snug fit in standard starter sockets.
- 2-Pin Glow Switch Design: operates without a reset function for straightforward, reliable lamp ignition.
- Lamp Compatibility: rated for 22 watt circline and 25 watt standard fluorescent lamps.
- Time-Tested Design: a proven glow switch starter configuration trusted for consistent fluorescent lighting performance.
- Quality Materials: durable construction supports long service life in demanding fixture environments.
- RoHS Compliant: manufactured to restrict hazardous substances for environmentally conscious installations.
Certifications & Compliance
- UL Listed
- CSA Listed
- RoHS Compliant
- Buy American Act Compliant
Technical Specifications
- Type: Fluorescent Starter
- Configuration: 2-Pin Glow Switch, No Reset
- Height: 1.50"
- Diameter: 0.84"
- Country of Origin: China
- UL Listing: Yes
- CSA Listing Info: Yes
- cULus: No
- CUL Listing: No
- cURus: No
- UR: No
- Federal Spec: No
- RoHS: Yes
Typical Applications
- Replacement Starter for Circline Fluorescent Fixtures
- Replacement Starter for Standard Fluorescent Fixtures
- Commercial Lighting Maintenance and Retrofits
- Residential Fluorescent Fixture Repair
- General Electrical Maintenance for Older Fluorescent Systems
Why Pass & Seymour?
Pass & Seymour builds the FS25 fluorescent starter with quality materials and a time-tested glow switch design to deliver dependable lamp ignition fixture after fixture. Backed by UL and CSA listings and RoHS compliance, it gives electrical professionals and facility maintenance teams a reliable, code-conscious replacement part for keeping circline and standard fluorescent lighting systems running smoothly.
Manufacturer Resources
Product Specs
- list_batch:
- PASS-20260820
- Product Type:
- Fluorescent Starter
- Listing:
- UL Listed
- Standards:
- CSA
- Department:
- Electrical
- Product Group:
- Lighting
- Product Subgroup:
- Lamps & Ballasts
Pass & Seymour FS-25 – Frequently Asked Questions
1) Which fluorescent lamps does the Pass & Seymour FS25 starter work with?
The FS25 is rated for 22 watt circline lamps and 25 watt standard fluorescent lamps. If the lamp in your fixture falls outside that wattage, you need a different FS-series starter matched to the lamp rating printed on the tube or on the old starter can.
2) Will the FS25 starter fit a standard fluorescent starter socket?
Yes. It is a 2-pin starter measuring 1.50 inches in height and 0.84 inches in diameter, which is the standard can size that twists into a conventional fluorescent starter socket. Pull the old starter, check it has two pins on the base, and this drops into the same hole.
3) Can I use the FS25 in a fixture with an electronic ballast?
No. A glow switch starter like the FS25 belongs in a preheat (switch start) circuit only. Electronic instant start and rapid start ballasts strike the lamp themselves and have no starter socket at all. If your fixture has no starter can, the FS25 is not the part you need.
4) What does a glow switch starter actually do in a fluorescent fixture?
It is the ignition component in a preheat fluorescent circuit. The glow switch closes briefly to heat the lamp cathodes, then opens so the ballast delivers the voltage kick that strikes the arc. The FS25 is a no-reset version, so there is no manual button to press, it simply cycles until the lamp lights. A flickering or repeatedly blinking preheat lamp is usually a worn starter, not a dead tube.
5) Is the FS25 starter UL listed for commercial fixture maintenance?
It carries a UL Listing and is also CSA listed, which covers it for commercial and institutional fluorescent maintenance work. It is RoHS compliant as well, so it clears purchasing rules that restrict hazardous substances.
6) Is the FS25 starter Buy American compliant, and where is it made?
The FS25 is listed as Buy American Act compliant, with country of origin China. If your project runs under a stricter domestic-content clause rather than BAA, confirm which standard your contract cites before you spec it.
7) Do I need to worry about orientation or polarity when installing the FS25?
No. The 2-pin base is non-polarized, so it goes in either way around. Twist it into the socket seat and it is done. No reset button to set, since this is a no-reset design.
8) Is the FS25 the same part across all orders, or are there size or voltage options to pick?
There is one configuration, model FS-25. No finish, voltage, or size choices to specify, so the only thing to verify is that your lamp is a 22 watt circline or 25 watt standard type.
How fast can I get the Pass & Seymour FS-25 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Pass & Seymour FS-25 come with a warranty?
Absolutely. The Pass & Seymour FS-25 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Pass & Seymour FS-25?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Pass & Seymour FS-25 from ZenSupply?
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every order.
Our team is always ready to help you choose the right product for your project.