focmkeas 3pcs magnetic reed switch wired surface mount normall | Shop The World
From USA
NewFOCMKEAS
FOCMKEAS 3Pcs Magnetic Reed Switch Wired Surface Mount Normally Closed NC Contact Sensor Alarm Magnetic Door Switch with 2 Wires, Zinc Alloy Sliver, MC-51
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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•【Material】The magnetic switch alarm is with zinc alloy housing for better rust resistance, durable and high strength.
•【Normally Closed (NC)】Normally closed type with 2 wires. When the magnet together, the circuit is conductive( light on ); the circuit is not conductive ( light off ) if the magnet separates.
•【Application】This magnetic contact switch is usually used for metal door/windows include rolling Door. The door contact can be used with an access control or anti-theft alarm system.
•【Note】The Magnetic Door Switch must be installed as per the sensing distance. It can only provide a switch signal to the transmitter. It can't directly load the power, nor directly connect the lamp.
From USA
