C&K Y Series 4, 5 & 6 Tumbler Switchlocks M-3 is an anti-static switch from Itt Cannon with a contact rating of 4 AMPS @ 125 V AC or 28 V DC and an electrical life of 10,000 make-and-break cycles at full load. Typical applications include point-of-sale terminals, cash registers, and computers.
The C&K Y Series provides 4‑, 5‑ and 6‑tumbler switchlocks with anti‑static capability, various lock finishes and keying options. They are suited for point‑of‑sale terminals, cash registers and computer equipment.
The catalogue details contact ratings, electrical life, insulation resistance, mounting styles and material options, along with part numbers for each configuration.
| Contact rating | 4 A @ 125 V AC or 28 V DC; 2 A @ 250 V AC |
|---|---|
| Electrical life | 10,000 make‑and‑break cycles at full load |
| Contact resistance | Below 10 mΩ typical initial @ 2‑4 V DC, 100 mA |
| Dielectric strength | 1,000 Vrms min. @ sea level |
| Static resistance (anti‑static models) | Exceeds 20 kV DC |
The switchlocks are rated for 4 A at 125 V AC or 28 V DC, and 2 A at 250 V AC.
They are rated for 10,000 make‑and‑break cycles at full load.
Anti‑static models exceed 20 kV DC static resistance at sea level.