MC-44B Comparison
| photo | price | summary | rating |
|---|---|---|---|
 | $15.88 | Top Pick! Condition is New, 5Pcs Magnetic Reed Switch Wired Surface Mount Normally Closed NC Contact Sens..., FREE SHIPPING | 99.7% |
 | $22.64 | Condition is New, 5Pcs Magnetic Reed Switch Wired Surface Mount Normally NC MC-44b White 5PC, FREE SHIPPING | 99.6% |
When door closed, reed switch is effected by magnet and turn on; when open, off, trigger alarm. It can only provide a switch signal to the transmitter. When the magnet together, circuit is conductive light on ; not conductive off if separates. Application this magnetic contact switch is usually used for metal door/windows include rolling door.
Material the magnetic switch is made of flame-retardant abs shell material, resistant to high temperature and not easy deform. It can't directly load the power, nor connect lamp. Normally closed nc closed type. The door contact can be used with an access control or anti-theft alarm system.
It consist of a reed switch part and magnet. Size body size approx.: 50 14 12.4 50 14 12.4mm l w h, no cable, action distance:25-35mm/1 -1.4, package include 5 pairs. Magnetic contacts is widely used for alarm system panel to detect state of door/window. Note the magnetic door switch must be installed as per the sensing distance.
specifications entrysyst:
- brand: Focmkeas
- mpn: Mc-44b
- part type: Switch Mount Contact
- included components: Switch
- switch type: Reed
- model name: Nc Mc-44b White 5pc
- contact material: Metal
- contact type: Normally Closed
- connector type: Wire Leads
- smart home compatibility: Not Smart Home Compatible
- control type: Automatic
- control method: Touch
- circuit type: 1-way
- terminal type: Spade
- color: White
- compatible devices: Alarm Control Panels
- mounting type: Surface Mount
- material: Acrylonitrile Butadiene Styrene
- package dimensions lxwxh: 3.78x1.89x0.59 Inches
- weight: 0.24 Pounds
returns entrysyst:
- policy: no returns
offer entrysyst:
- started: may 8, 2026
- options: ship-to-home
- sold #: 6
- availability: in stock
- in stock #: 2
- prices: $15.88–$22.64
- item condition: New
payments entrysyst:
- wallet: google-pay
- credit card: diners-club
- other
shipping entrysyst:
- class: expedited
- service: expedited
- type: fixed
- transit: 4-8 days
seller entrysyst:
- rating: 99.7%
- # reviews: 350
- city: los angeles, california
general entrysyst:
- category: Home & Garden > Security > Door Entry Systems Intercoms