The HONEYWELL part EX-AR471-3 is a MICRO SWITCH„¢ Hazardous Location Switches: EX Series Explosion-Proof Limit Switch with a side rotary roller lever actuator. This switch has a 1NC 1NO Single Pole Double Throw (SPDT) Snap Action configuration and is designed to operate in hazardous environments. It features a 0.5 in - 14NPT conduit connection and comes furnished with a 36 in lead wire for easy installation. This switch is perfect for applications where safety and reliability are essential, providing peace of mind in demanding and potentially dangerous environments.