uxcell Rolling Door Contact Magnetic Reed Switch Alarm with 2 Wires for N.C. Applications OH-55

Price: $11.99
(as of Mar 06, 2023 14:24:00 UTC – Details)

[Dimension] – Cable Length: 46cm/18.1″; Total Size: 105 x 37 x 10mm, 105 x 15 x 15mm (L*W*H)
[Material] – The magnetic switch alarm is with durable zinc alloy housing for better rust resistance
[Normally Closed] – N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separates, the circuit is not conductive ( light off ).
[Applications] – The Rolling Door Contact is designed for use with window and door alarm systems, such as garage, industrial warehouse and shops, etc.