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The parts that make it work.

The GRI PBF-100T Plunger Switch (model PBF-100T) is a push button, plunger-actuated switch with a closed loop contact, made to replace an older mechanical contact that gave installers trouble. It suits installers and DIY users who need a direct swap without re-drilling or redesigning the original installation. The sealed reed contacts, recessed magnetic contact and US-made construction are what set it apart.
Brand: GRI
Model: PBF-100T
Product series: PBF
Product type: Plunger Switch
Contact type: Closed Loop
Size: 3/4″ x 1.5″ with screw down flange
Construction: Hermetically sealed, recessed magnetic contact
Terminals: Screw terminals
Color: Brown
Installation type: Hybrid (DIY + Professional)
Country of origin: US
Package contents: PBF-100T Plunger Switch, mounting hardware, spacers
Match the new switch to the opening left by the old contact so it fits without extra drilling, and use the supplied spacers as needed to set the plunger position. Test the closed loop circuit with the door or window open and closed before finishing the install.
| Brand | GRI |
|---|---|
| Model | PBF-100T |
| Product type | Push Button Switch |
Specs are taken from the manufacturer listing. Need a detail that isn't here? Ask us.
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