MC-52 NC+NO Alarm Security Rolling Gate Garage Door Contact Magnetic Reed Switch Silver Gray Generator Accessories 76-inch x 1

76-inch x 1

Flat Width : 58mm/2

Weight: 245g

39-inch x 0

instead of glass case cupboard door

MC-52 NC+NO Alarm Security Rolling Gate Garage Door Contact Magnetic Reed Switch Silver Gray Generator Accessories 76-inch x 1Applications The Overhead Door Contact is designed for use with window and door alarm systems, such as garage, industrial warehouse and shops, etc. Installation Precautions 1. It must be installed according to the sensing distance; 2. Door magnetic induction can only provide a switch signal to the transmitter, which can not directly load the power, nor directly connect the lamp! N. O. N. C. Dual Use NC means Normally Closed: When the magnet together,