59025 Reed Sensors Littelfuse 59025 Reed Sensors are cylindrical sensors with a 6.22mm diameter and 25.4mm length with normally open, normally closed, or change-over contacts. The 59025 series is capable of switching up to 265VAC/300VDC at 10VA. These sensors are UL recognized and available in a range of sensitivity and cable length options. They feature hermetically sealed contacts and operate through non-ferrous materials such as wood, plastic, and aluminum. Littelfuse 59025 Reed Sensors are ideally suited for position and limit sensing, security, level sensing, and linear actuator applications. The 57022 actuator is sold separately.