Magnetic Reed Switch RC-33 NO Recessed Wired Window Door Contact Sensor for Home Security and Burglar Alarm Systems 5 Pcs
$14.99
NORMALLY OPEN
When the switch is separated from the magnet, the circuit is conductive(light on); When the switch is close to the magnet, the circuit is not conductive(light off).
WIDE APPLICAIONS
Work with all access control and burglar alarm systems. Can be installed in wooden or aluminum alloy doors and windows.
PLEASE NOTE
A magnetic door contact can only provide a switching signal to the device. It cannot directly load the power supply and cannot be directly connected to the lamp.
Specifications:
Model: RC-33
Contact Type: NO(Normally Open)
Max. Sensor Sensitivity: 10mm(+/-5mm)
Max. Current: 120mA
Max. Voltage: 100V
Working Voltage: DC0-24V
Max. Contact Power: 10W
Size(Approx.): 16.7 x 10.7mm / 0.66 x 0.42inch (H*D)
Cable Length(Each): 30cm / 11.8inch
Housing Material: ABS
Wire Type: 1007#/24#300mmUL
Package Content:
5 x Magnetic Door Switch
☀MATERIAL – The switch housing is made of ABS flame retardant material and reed switch, is resistant to high temperature and deformation.
☀NORMALLY OPEN(NO) – When the switch is separated from the magnet, the circuit is conductive(light on); When the switch is close to the magnet, the circuit is not conductive(light off).
☀ACTUATION DISTANCE – 10mm transmitting distance. The contact has fast reflection and accurate detection.
☀WORKING CONDITIONS – When the magnetic door is energized, the voltage is controlled at DC 0V-24V and the supply current cannot exceed 1A. The load current is 120mA.
☀WIDE APPLICATIONS – Work with all access control and burglar alarm systems. Can be installed in wooden or aluminum alloy doors and windows.
8 reviews for Magnetic Reed Switch RC-33 NO Recessed Wired Window Door Contact Sensor for Home Security and Burglar Alarm Systems 5 Pcs
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rustyk123 –
Very Small and Hidden Door Sensor
I was looking for a basic wired door sensor to install in my doors for Home Assistant and these were perfect, the sensor is so small it is hard to see it once installed, exactly the look I was going for.
Hap –
Good product
Was exactly as described and worked perfectly!
Buys a Lot –
Unreliable – DO NOT BUY!
These magnetic alarm sensor switches are low quality and totally unreliable. The switches (all 5 in a pack of 5) stick in the closed position once activated. Do not waste your time and money on these.
Keith –
Had new windows out in and didn’t think to pull magnets so this worked well
Exactly what I wanted
Robert Schmitt –
These are NOT Normally Open switches. They are Normally Closed
Several other purchasers have noted this too. When you have these near its magnet partner, they close (there is no ‘normally’ in having the magnet nearby. When the magnet is away (which, in physics and real life) it is open.I knew these were mislabel, that is, I needed a normally closed switch, so I bought these as they did what I needed.I, and other purchasers, all wish these vendors, maybe outside the U.S., would spend a minute reading any number of sources available to get their naming right.Also, if I am wrong and I have been known to be in the past, someone please reply and let me know (and please reference your source). Thanks
Chris J. –
Good quality
Easy to install, plenty of wire leads
John W. Shaw –
Good quality
Perfect replacement
danno101 –
Order extra
It’s a good thing there were 5 units in the package and my immediate need was for two. I found that only two of the supplied switches actually worked. One was shorted closed and two others were stuck open no matter how strong the magnet was.If you purchase, test each unit before installing to avoid re-do’s later.