Protect a steel opening with a self-locking 3/4-inch recessed contact, 12-inch leads, 1/2-inch steel gap, and UL 10C fire-rated designation.
Fit hardwired protection into thin frames with a short 3/8-inch press-fit contact, screw terminals, 1/2-inch standard gap, and lifetime GRI warranty.
Use a compact white roller ball switch with 360-degree actuation, screw-down flange, terminal block, 0.2-inch travel, and lifetime warranty.