The APEM Inc. part 5636A is a versatile toggle switch with an ON-ON function and has a Single Pole Double Throw (SPDT) configuration. The round lever provides ease of use and the switch is designed for solder lug connections. It has a maximum rating of 4A at 250VAC and 30VDC, making it suitable for various applications. The switch is panel-mounted and features threads for secure installation. Overall, the APEM Inc. part 5636A is a reliable and durable toggle switch for professional use.