MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm

Description

MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm
Product Name: Magnetic Door Switch; Model: MC-33C
Contact Type: NC (Normally Closed)
Work as an anti-theft alarm, ideal for metal door and window
NC means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off )
These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system
Features: 1.Designed for use with alarm systems. 2.Great for use in family and factory window, door. etc. Package Included: 2 Sets x Normally Closed Recessed Window Door Contact Sensors
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