The APEM INC. part 3539003N000 is a versatile toggle switch featuring a flat lever and screw terminals for easy installation. This switch offers ON-OFF-ON functionality with SPDT contact configuration, making it ideal for a wide range of applications. It is rated for 15A at 250VAC, 28VDC, and 372.85VA, ensuring reliable performance in various voltage and current settings. The panel mount design with threads allows for secure and convenient mounting on a surface for easy access and operation.