As an Amazon Associate I earn from qualifying purchases.

Closed loop magnetic contact that features a terminal block style connection for accepting wire. Easy to install: have small screw terminals which makes it much easier to wire.


Specification - current: 05a ; voltage: 100v ; power rating: 10W; Action Distance: 10mm. Note - the magnetic door switch must be installed according to the sensing distance. Normally closed - n.


The 5818mnl is a magnetic contact sensor that provides concealed protection for doors or windows. With a demonstrated outdoor range of over a mile, the 5800 Series has the best performance of any transmitters available today.

C. Dimension - cable length: 26cm/102"; total size: 17mm x 107mm/067" x 042" l*d. Specification - current: 05a ; voltage: 100v ; power rating: 10W; Action Distance: 10mm. Note - the magnetic door switch must be installed according to the sensing distance.

1. QMseller
#ad
QMseller MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch 2 Sets
#adQMseller #ad - 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. 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.More information #ad
Contact type: NC Normally Closed. Work as an anti-theft alarm, ideal for metal door and window. Product name: magnetic Door Switch; Model: MC-33C.Brand | QMseller #ad |
Manufacturer | QMseller #ad |
Part Number | QMseller 129 |
More information #ad
2. Hxchen
#ad
5 Sets, Hxchen MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch
#adHxchen #ad - Application: the door contact sensors work as an anti-theft alarm, ideal for metal door and window. Contact type: nc normally closed; 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.Closed loop magnetic contact that features a terminal block style connection for accepting wire. Easy to install: have small screw terminals which makes it much easier to wire.
More information #ad
Package included: 5 sets x MC-33C Door Contact Sensors. Mounting hole diameter is about 3/8 inch 9. 5mm. Here with our 90-day money back risk-free purchase guarantee, order now! If you are not satisfied in any way, Refund or Replacement for any quality problem. Hassle-free warranty: hxchen guarantee high quality and good service.Brand | Hxchen #ad |
Manufacturer | Hxchen #ad |
More information #ad
3. Interlogix
#ad
Interlogix Recessed Door/Window Sensor TX-E221
#adInterlogix #ad - Field proven wireless technology. Included batter can easily be replaced. Up to five years of battery life, depending on usage. Compact design allows it to be well hidden within the door frame. Compatible with Interlogix learn-mode panels and receivers.More information #ad
Brand | Interlogix #ad |
Manufacturer | Interlogix #ad |
Part Number | TX-E221 |
Model | TX-E221 |
More information #ad
4. uxcell
#ad
Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10pcs
#aduxcell #ad - It cannot directly load the power, nor directly connect the lamp! Dimension - cable length: 25cm/9. 8"; total size: 17mm x 106mm/067" x 042" l*d.Specification - current: 05a ; voltage: 100v ; power rating: 10W; Action Distance: 10mm. Note - the magnetic door switch must be installed according to the sensing distance. Normally closed - n.
More information #ad
C. Widely usedl - this recessed Door Contact Sensor works with any access control or burglar alarm system available. Means normally closed: when the magnet together, the circuit is conductive light on ; when the magnet separates, the circuit is not conductive light off. It can only provide a switch signal to the transmitter.Brand | uxcell #ad |
Manufacturer | uxcell #ad |
Height | 0.39 Inches |
Length | 5.51 Inches |
Width | 3.94 Inches |
Part Number | a18051500ux0013 |
Model | a18051500ux0013 |
More information #ad
5. Xiaoyztan
#ad
Xiaoyztan 5 Sets Recessed Wired Magnet Reed Switch Window Door Magnetic Contact Sensor Alarm for Office Home Security System
#adXiaoyztan #ad - Material - the switch housing is made of ABS flame retardant material and reed switch, high temperature and deformation resistant. Package - 5 sets x n. C. Design - the compact size of the sensor makes it ideal for thin-framed cabinets, windows and doors where longer units cannot be used.More information #ad
Type recessed Wired Magnet Door Contact Sensor. Aftersales - please feel free to let us know if you meet any product quality issue, we will try our best to help you. Application - door contact is mainly used with commercial or residential card access systems and security burglar alarm system.Brand | Xiaoyztan #ad |
Manufacturer | Xiaoyztan #ad |
Part Number | Z1806260046 |
More information #ad
6. Honeywell
#ad
Honeywell Ademco 5818MNL Recessed Door Transmitter
#adHoneywell #ad - 05 gap transmitter to magnet \features a tapered cylinder for easy and flush fit Dimensions: 075" diameter x 3. 0" length. Includes self-contained transmitter and reed sensor Virtually disappears once installed Easy replaceable AAA Lithium battery.The 5818mnl is a magnetic contact sensor that provides concealed protection for doors or windows. With a demonstrated outdoor range of over a mile, the 5800 Series has the best performance of any transmitters available today.
More information #ad
These devices are powerful and versatile enough to help solve even the toughest, most labor intensive installa. The 5800 series of door and window transmitters provide the most reliable, convenient and cost effective solutions for security protection.Brand | Honeywell #ad |
Manufacturer | HONEYWELL INTRUSION #ad |
Weight | 0.5 Pounds |
Part Number | 5818MNL |
Model | 5818MNL |
More information #ad
7. uxcell
#ad
Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch Brown RC-33 2pcs
#aduxcell #ad - Widely usedl - this recessed Door Contact Sensor works with any access control or burglar alarm system available. Normally closed - n.C. Dimension - cable length: 26cm/102"; total size: 17mm x 107mm/067" x 042" l*d. Specification - current: 05a ; voltage: 100v ; power rating: 10W; Action Distance: 10mm. Note - the magnetic door switch must be installed according to the sensing distance.
More information #ad
It cannot directly load the power, nor directly connect the lamp! It can only provide a switch signal to the transmitter. Means normally closed: when the magnet together, the circuit is conductive light on ; when the magnet separates, the circuit is not conductive light off.Brand | uxcell #ad |
Manufacturer | uxcell #ad |
Height | 0.39 Inches |
Length | 5.51 Inches |
Width | 3.94 Inches |
Part Number | a18051500ux0003 |
Model | a18051500ux0003 |
More information #ad
8. Actmei
#ad
10pcs RC-33 NC Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch White
#adActmei #ad - 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. 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.More information #ad
Each sizeapprox: 17 x 106mm / 067 x 042-inch h*d cable LengthEach: 25cm / 9. 8-inch. Rc-33 nc recessed wired window Door Contact Sensor Alarm Magnetic Reed Switch. Magnet near together, the switch is closed. Br>and the switch and magnet is separate, the switch is open.Brand | Actmei #ad |
Manufacturer | Actmei #ad |
Height | 0.4 Inches |
Length | 0.67 Inches |
Width | 0.42 Inches |
Part Number | RC-33 |
More information #ad