The OMRON Safety part TL50121110SM is a reliable and durable safety interlock switch designed for industrial applications. It features a single pole, single throw (SPST) and double pole, single throw (DPST) configuration with both normally open (N.O.) and normally closed (N.C.) contacts. This key-operated switch has a high rating of 5A at 500VAC, 250VDC, and 500VA, making it suitable for heavy-duty use. With a conduit for easy installation and a long lifespan of up to 1,000,000 cycles, this OMRON safety switch is a dependable choice for ensuring safety in any industrial setting.