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The HDL Automation MC-31 contact sensor is designed for alarm systems and is intended to detect the open or closed status of doors and windows. It consists of the following components: a reed contact and a magnet. The sensor typically operates as normally closed (NC), with a normally open (NO) option available.
When the magnet is near the reed contact, the circuit is activated, and when the magnet is moved away, an alarm signal is triggered.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.