Top 10 Best reed switch in 2026

Last Updated - 6/8/2026

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AOAUTO

Magnetic Reed Switch,Normally Closed NC Waterproof Magnetic Switch,Micro Alarm Reed Switch 10W 100v 0.5A Magnetic Door Sensor Switch to DC 5V 12V 24V Lights（2 Pack）

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Rated Power: 10W, Max Voltage: 100V, Max Current:0.5A
•Transmitting Distance: 16-23mm
•Product Size: 23*14*6mm (L * W * H)；Mounting Hole Size：3mm
•Contact Type：Normally Closed NC（Please look at the working mode in the Third picture to see if it is the switch you need.）
•Suitable for alarm,LED,Relay,GPS low voltage devices...etc. Ideal for door, window security
•You will get 2 NC magnetic reed switches, 8 screws, and 4 pieces of strong pad mounting.

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$12.89

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Gebildet

Gebildet 10pcs Plastic Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (3mm×14mm)

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•✪Package included: 10 × Reed Switch
•✪Length of glass: 14 mm；Diameter of plastic part: 3 mm
•✪Maximum switching voltage 100VDC,Working temperature: -20 degrees to 80 degrees
•✪Max. Switch Current: 0.5A；Maxima charging current: 1.0A
•✪Maximum contact resistance: 100M；Minimum Insulation Resistance: 1010

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$6.99

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QLXHBOT

Magnetic Reed Switch MC-32 NC Surface Mount Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White - (6 Sets)

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Product Name:Magnetic Reed Switch;MC-32 (Mounting screws are includes)
•Function : 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.
•Install Distance ：Gap between 2 pieces more than 15mm, less than 25mm. White color make home great and beautiful. Anti-fire ABS material.
•Reed Switch：Important : When the magnet is near it makes connectivity, when the magnet is removed connectivity is broken. Wired magnetic door/windows contact can be added to wireless/wired Alarm Systems. (some wireless system has wired zones)
•Switch Type: NO means normally open: when the magnet separate, the circuit is conductive( light on ); when the magnet together, 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 ).

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$12.89

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AOAUTO

Magnetic Reed Switch,Wired Door Window Contact Sensor,Micro Normally Open NO Alarm Reed Switch,10W 100v 0.5A Magnetic Reed Switch to DC 5V 12V 24V Light(2-Pack)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Contact Type：Normally Open（Please look at the working mode in the second picture to see if it is the switch you need.）
•Rated Power: 10W, Max Voltage: 100V, Max Current:0.5A
•Product Sizes: 23*14*6mm (L * W * H)；Mounting Hole Size：3mm
•Transmitting Distance: 16-23mm
•Accessories: Equipped with 4 pieces of 3M double-sided adhesive tape and 8 screws, convenient for you to install. Suitable for alarm,LED,Relay,GPS low voltage devices...etc. Ideal for door, window security

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$9.99

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Gebildet

Gebildet 3 Sets NO/NC Black Magnetic Switch Wiring Recessed Door Sensor Hidden Window Contact Reed Switch for Access Control Replace Alarm System

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Package: 3 sets of black magnetic door contact reed switches + 6 pieces stickers + 12 pieces screws.
•Size (approx. ): 29 x 15 x 9 mm; cable length: 30 cm.
•It can control DC 3V, 5V, 9V, 12V, 24V, 36V, 48V, Maximum switching voltage: 100V; Maximum switch current: 0.5 amps, maximum switch power: 10W.
•NC&NO Combined, Use Normally Open or Normally Closed freely. Cable definition: Blue for common; Black for NC; White for NO.
•Application Magnetic door contact reed switch, ideal for door alarm sensors, alarms, LED switches, relays, GPS low voltage devices, etc., effective for theft deterrent. Yes, ideal for wooden doors or windows.

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$9.99

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Gebildet

Gebildet Origianl Japan KOFU OKI Reed Switch 6pcs Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•✪Length of glass: 14 mm；Diameter of glass: 2 mm
•✪Maximum contact resistance: 100M；Minimum Insulation Resistance: 1010
•✪Package included:6 X Reed Switch+6 X Magnetic chip
•Suitable for industrial control equipment circuits for controlling electromagnetic starters, contactors, relays and other circuits (there are only boxes in here, button switches are not included). Good for electronic projects, power supply units, amplifiers, etc. Suitable for emergency stop rotary switch.
•Dimension:65mm*65mm*75mm

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$5.99

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Gebildet

Gebildet 10pcs Plastic Reed Switch Reed Contact Normally Closed Magnetic Induction Switch with 10pcs Small Multi-Use Round Magnets

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Package included: 10×Reed Switch, 10×Small Multi-Use Round Magnets.
•Length of Plastic : 14.2mm; Diameter of plastic: 3.3mm.
•Maximum switching voltage 100VDC.Working temperature: -20 degrees to 80 degrees.
•Max. Switch Current: 0.5A; Maxima charging current: 1.0A.
•Maximum contact resistance: 100M; Minimum Insulation Resistance: 1010.

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$9.99

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bnafes

bnafes 4Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, for DC 5V 12V 24V Light

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•1. Product Name: Magnetic Door Swith; Color: black; Material: ABS;Net Weight: 80g
•2. Maximum Switch Voltage: 100V;Contact Capacity: 500(mA) (Maximum Switch Current);Rated Power: 10W(Maximum Switch Power)
•3. Great for alarm,LED,Relay,GPS low voltage devices...etc.,Trigger Range: 10-20mm; Contact Type: NC/NO/COM
•4. Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors,
•5. Package Content: 4 Sets x Magnetic Door Swith; Size: 55*12.5*11.5mm / 2.17" x 0.45" x 0.45"(L*W*H) a package of screws

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$15.89

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Gebildet

Gebildet 30pcs Reed Switch, Normally Open (N/O) Magnetic Induction Switch, Miniature Reed Contact (2mm x 14mm)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Package included:30 X Reed Switch
•Contact Type : NO; Maximum switching voltage 100VDC
•Max. Switch Current: 0.5A；Maxima charging current: 1.0A,Working temperature: -20 degrees to 80 degrees
•Maximum contact resistance: 100M；Minimum Insulation Resistance: 1010
•Length of glass: 14 mm；Diameter of glass: 2 mm

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$8.99

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bnafes

bnafes 2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Package Content: 2Sets x Magnetic Door Switch,Some Mounting Screws; Size: 55 x 12 x 11mm / 2.2" x 0.47" x 0.43"(L*W*H)
•Product Name: Magnetic Door Contact Reed Switch; Color: White; Material: ABS
•Transmitting Distance: 10-15mm; Contact Type: NC/NO/COM
•Contact Capacity: 0.5A(Maximum Switch Current); Rated Power: 10W
•Mounting Hole Size: 7 x 2.5mm/ 0.28" x 0.1"(L*W); Working Voltage: DC 100V Net Weight: 40g;

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$8.99

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