The HONEYWELL part 21EN9-6 is a MICRO SWITCH„¢ Environmentally Sealed Limit Switch, specifically from the EN Series. It features a double pole double throw (DPDT) configuration, with a resistive rating of 4 A at 28 Vdc. The switch is housed in a sturdy stainless steel enclosure, ensuring durability and protection in various environments. The actuator of the switch is a roller plunger with a roller guide retaining lock ring for smooth and reliable operation. The switch is FAA-PMA approved, making it suitable for use in aviation applications. The 1829 mm (72 in) lead wire termination allows for flexible installation, and the side exit of the leads provides convenience. Additionally, the leads are marked with circuit and gage information for easy identification.Overall, the HONEYWELL part 21EN9-6 is a dependable and versatile limit switch that meets high industry standards.