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Your cart is empty.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 ). When make order, pls check carefully!The reed switch is an electrical switch operated by an applied magnetic field.Designed for use with alarm systems. Great for use in family and factory window, door. etc..
M. G. Rinkle
Reviewed in the United States on November 23, 2023
Normally Closed NC = circuit is CLOSED with no magnet. Introduce a magnetic field and you get a OPEN circuit. This isn't that complicated.I needed some NC switches bought these and had to return them. Good price but they are in fact selling a NO Normally Open switch.
David T.
Reviewed in the United States on August 6, 2020
I use this to fix my door sensor on my Ford Flex, Ford uses a sensor in the door latch and it cost around 200 to replace the latch I did that once on all four doors already, this time I just use these nice little inexpensive fix and it works perfectly
Client amazon
Reviewed in Canada on April 17, 2020
Like pictured!Work well!
mike
Reviewed in Canada on August 17, 2019
Bought to fix 2013 ford flex door ajar lightWorks awesome saved 1000 bucks had 3 doors bad
federico pannocchi
Reviewed in Italy on March 28, 2019
tutto ok
Cliente
Reviewed in Italy on December 11, 2018
Grandi
Shawn P.
Reviewed in the United States on August 18, 2017
These are Normally closed! Not normally open as the description says. When its not near the magnet the switch is open. In other words if the magnet is close to it the circuit is complete and makes contact. When the magnet is Away from it the circuit is open. Think of it like a light switch. When the magnet is away from it the switch is off and power doesn't run through it. When the magnet is close to it the circuit is closed or complete and power would run through it and the switch is on. The product description is wrong.
carlo
Reviewed in Italy on November 29, 2017
Tutto come da descrizione, buona fattura ottimo prezzo non li ho ancora usati mi servono di scorta ma li ho testati. OK
John Waidner
Reviewed in the United States on October 15, 2017
Needed to replace a switch in a home application that had been switching an incandescent lamp for about 20 years. These parts are not the same size as original but I shimmed them with craft paper. New switch actuates a solid state relay which switches the lamp. New arrangement will probably outlive me. Repair now 5 months old and operating without problems.
MinnesotaDrew
Reviewed in the United States on January 20, 2017
Worked perfectly, I needed to make a neutral safety switch circuit for my manual transmission car and this did the trick. I just put the magnet on an open part of the shift linkage and mounted the switch so that it would only pick up the magnet in the neutral position. These should work for any similar purpose you may have, I'll probably use my remaining ones in a door alarm system at some point.
Mik
Reviewed in the United States on September 11, 2016
I was going to use those switches to detect if the doors and hatches of my chicken coop are properly closed. This does not work because the contacts are closed unless the two pieces are further than 1 inch apart, even if I offset the magnet. In other words, my system shows the door as closed even if its one inch open. It works otherwise great though and I am sure I will find a use for it (garage door, etc.). For the coop I will just get mechanical switches.
AMW
Reviewed in the United States on June 29, 2016
I bought these as the detectors for use on checking whether my garage doors were open or not. I simply used silicone rubber to glue the magnet and magnetic reed detector into place on my garage door structures as required. Don't try to switch a load directly if it takes more than 10mA. I tried to switch a load of about 120mA and the reed started to stick "ON" once activated and I had to tap it once the magnet was removed to open the contacts again. I very quickly stopped doing that and once I redesigned the system and reduced the current down to 5 mA to bias a transistor as the load switch, then the reed relay worked perfectly. Only needed two of the five supplied - I'm looking forward to thinking up another use for the remaining units! Very happy with them.
Bestone
Reviewed in the United States on November 16, 2015
for the money good buy
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