YF01132C203NQ is a single-pole 4-tumbler miniature switchlock from the C&K YF Series, designed for secure key-operated switching in power and low-level applications. It features a 90° indexing mechanism with keypull position 1, a zinc alloy lock with stainless steel facing, and silver-plated copper contacts rated at 4 Amps @ 125 V AC or 28 V DC and 2 Amps @ 250 V AC. The switchlock offers an electrical life of 10,000 make-and-break cycles at full load, contact resistance below 10 mO, and insulation resistance of 10? O minimum. Housed in UL 94V-2 rated 6/6 Nylon with solder lug terminations and included mounting nut, this switchlock is ideal for computer servers, point-of-sale terminals, and cash registers where secure access control is required.