The MK03 Reed Sensor is a panel mount, Form A, Single Pole, Single Throw, Normally Open (SPST-NO), and rated at 10 to 15 AT. The MK03 Series Reed Sensor is in a 5.75mm cylindrically shaped housing with cable terminals. Used in position, proximity, motion, level, and end limit sensing. Available with Optional internal switch, cable, length, and termination.