A3151U2A1SZRQE is a 3-pole, 5-tumbler switchlock with anti-static switch designed for security and control applications. This switchlock features shorting contacts, solder lug terminations, nickel plated finish with removable dress nut, and epoxy seal for enhanced protection. It offers a contact rating of 2.5 AMPS @ 125 V AC and 350 mA @ 125 V DC with a carry rating of 5 AMPS continuous, and provides 45° indexing with 3 positions. The unit operates over a temperature range of -30°C to 85°C with contact resistance below 20 mO typical and insulation resistance of 10? O minimum. Common applications include security alarm systems, medical equipment, and computer servers where reliable multi-position switching is required.