Shop Reed Switch Sensor with LED Circuit

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$15.59
5Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch Black
Amazon.com
25
$15.59
5Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch Black
Amazon.com
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5Pcs GPS-11A Plastic Reed Switch 311mm 3x11mm Magnetic Reed Switchs Sensor Normally Open NO DIY
Aliexpress
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5Pcs GPS-11A Plastic Reed Switch 311mm 3x11mm Magnetic Reed Switchs Sensor Normally Open NO DIY
Aliexpress
$13.99
Victorshome Magnetic Reed Switch RC-33 NC Recessed Wired Window Door Contact Sensor For Home Security And Burglar Alarm Systems 10 Pcs
Amazon.com
$13.99
Victorshome Magnetic Reed Switch RC-33 NC Recessed Wired Window Door Contact Sensor For Home Security And Burglar Alarm Systems 10 Pcs
Amazon.com
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$3.41
5PCS Reed Switch GPS-14A 2.7 14 Plastic Type Normally Open Magnetic Control Switch Sensor
Aliexpress
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$2.31
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5PCS Reed Switch GPS-14A 2.7 14 Plastic Type Normally Open Magnetic Control Switch Sensor
Aliexpress
$40.00
Phd Reed Magnetic Sensor Switch S8 W3544 1038 4 Pin Wire Plug Led
eBay
Free shipping
$40.00
Phd Reed Magnetic Sensor Switch S8 W3544 1038 4 Pin Wire Plug Led
eBay
$0.44
$0.71
100Pcs/2Pcs 311 GPS-11A Reed Switch Sensor 3x11mm Reed Switch Magnetic Switch Normally Open NO
Aliexpress
38% off
$0.44
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100Pcs/2Pcs 311 GPS-11A Reed Switch Sensor 3x11mm Reed Switch Magnetic Switch Normally Open NO
Aliexpress
$49.00
Pneumax Rs.Dcno Magnetic Reed Switch With Led
eBay
$49.00
Pneumax Rs.Dcno Magnetic Reed Switch With Led
eBay
$59.96
CKD CORP SWR0 REED SWITCH 2 WIRE 24VDC RED LED INDICATOR NNB
eBay.com
Free shipping
$59.96
CKD CORP SWR0 REED SWITCH 2 WIRE 24VDC RED LED INDICATOR NNB
eBay.com
$20.34
5V-12V - Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12v - (Black)
Automatics & More
$20.34
5V-12V - Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12v - (Black)
Automatics & More
$53.00
6KL75 GRAINGER - Sensors & Switches & Reed/Hall-Effect/Magnetic Switch Supplies
Radwell.com
$53.00
6KL75 GRAINGER - Sensors & Switches & Reed/Hall-Effect/Magnetic Switch Supplies
Radwell.com
$17.98
Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
Amazon.com
38
$17.98
Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
Amazon.com
$10.49
$11.10
Normally Open Or Closed Reed Sensor Proximity Switch, Magnetic Control Switch, 4 X 18 Plastic Tape
Aliexpress
Free shipping
$10.49
$11.10
Normally Open Or Closed Reed Sensor Proximity Switch, Magnetic Control Switch, 4 X 18 Plastic Tape
Aliexpress
$16.99
5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
Amazon.com
242
$16.99
5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
Amazon.com
$9.79
Magnetic Reed Switch, 2 Pack NO NC Door Sensor Window Contact Switch, White | Harfington
harfington
30-day returns (most items)
$9.79
Magnetic Reed Switch, 2 Pack NO NC Door Sensor Window Contact Switch, White | Harfington
harfington
$144.00
ASV4D2M8 REED SWITCH DEVELOPMENTS CORP - Sensors & Switches & Reed/Hall-Effect/Magnetic Switch Supplies
Radwell.com
$144.00
ASV4D2M8 REED SWITCH DEVELOPMENTS CORP - Sensors & Switches & Reed/Hall-Effect/Magnetic Switch Supplies
Radwell.com
$0.88
$1.42
5Pcs/Lot NO NC Magnetic Conversion Sensor Reed Switch Magnetic Switch Normally Open Normally Closed
Aliexpress
38% off
$0.88
$1.42
5Pcs/Lot NO NC Magnetic Conversion Sensor Reed Switch Magnetic Switch Normally Open Normally Closed
Aliexpress
$8.34
Uxcell Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch | Harfington
harfington
30-day returns (most items)
$8.34
Uxcell Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch | Harfington
harfington
$0.70
$0.80
10Pcs Reed Switch Magnetic Switch Normally Open / Normally Closed Magnetic Conversion Sensor
Aliexpress
12% off
$0.70
$0.80
10Pcs Reed Switch Magnetic Switch Normally Open / Normally Closed Magnetic Conversion Sensor
Aliexpress
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
5
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
$2.16
$3.09
Original High Power Reed Switch Magnetic Sensor MKC-27103 528mm MKC27103 Normally Open/Closed NO/NC
Aliexpress
30% off
$2.16
$3.09
Original High Power Reed Switch Magnetic Sensor MKC-27103 528mm MKC27103 Normally Open/Closed NO/NC
Aliexpress
$5.36
Magnetic Reed Switch, 1 Set NC Wired Door Window Contact Switch For Home | Harfington
harfington
30-day returns (most items)
$5.36
Magnetic Reed Switch, 1 Set NC Wired Door Window Contact Switch For Home | Harfington
harfington
$0.19
$0.39
Reed Switch Magnetic Sensor 214mm MKA14103 Normally Open NO 1.87mm MKA07101 10mm MKA10110 16mm
Aliexpress
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$0.19
$0.39
Reed Switch Magnetic Sensor 214mm MKA14103 Normally Open NO 1.87mm MKA07101 10mm MKA10110 16mm
Aliexpress
$18.38
Magnetic Reed Switch
Citimarine
60-day returns (most items)
$18.38
Magnetic Reed Switch
Citimarine
$7.27
Magnetic Reed Switch, 1 Set NO NC Wired Door Window Contact Switch For Home | Harfington
harfington
30-day returns (most items)
$7.27
Magnetic Reed Switch, 1 Set NO NC Wired Door Window Contact Switch For Home | Harfington
harfington
$0.54
$1.12
5PCS Original Reed Switch RI-80 SMD Normally Open NO 1.85mm 0.35A 5W 175V Magnetic Contact Switch
Aliexpress
51% off
$0.54
$1.12
5PCS Original Reed Switch RI-80 SMD Normally Open NO 1.85mm 0.35A 5W 175V Magnetic Contact Switch
Aliexpress
$21.00
2005-1965-400 REED SWITCH DEVELOPMENTS CORP - Sensors & Switches & Reed/Hall-Effect/Magnetic Switch Supplies
Radwell.com
$21.00
2005-1965-400 REED SWITCH DEVELOPMENTS CORP - Sensors & Switches & Reed/Hall-Effect/Magnetic Switch Supplies
Radwell.com
$3.35
5/10/20PCS Reed Sensor Module Magnetron Module Reed Switch Magnetic Switch For Arduino
Aliexpress
$3.35
5/10/20PCS Reed Sensor Module Magnetron Module Reed Switch Magnetic Switch For Arduino
Aliexpress
$159.50
445360105 Omron Automation Sensor Reed Switch - Magnetic - DPST-NO/NC - 500Ma 24VDC - Non-Contact Actuator - 3mm Must Operate - 8mm Must Release -
Onlinecomponents.com
30-day returns (most items)
$159.50
445360105 Omron Automation Sensor Reed Switch - Magnetic - DPST-NO/NC - 500Ma 24VDC - Non-Contact Actuator - 3mm Must Operate - 8mm Must Release -
Onlinecomponents.com
$7.68
Magnetic Reed Switch, 5 Sets NC Magnetic Contact Switch For Door Window | Harfington
harfington
30-day returns (most items)
$7.68
Magnetic Reed Switch, 5 Sets NC Magnetic Contact Switch For Door Window | Harfington
harfington
$61.00
MRS-.087-B-12 BIMBA - Sensors & Switches & Reed/Hall-Effect/Magnetic Switch Supplies
Radwell.com
$61.00
MRS-.087-B-12 BIMBA - Sensors & Switches & Reed/Hall-Effect/Magnetic Switch Supplies
Radwell.com
$0.20
$0.42
High Quality Reed Contact Switch 3 Pin NO/NC 27/8mm 14mm SMD Normally Open Normally Closed Magnetic
Aliexpress
52% off
$0.20
$0.42
High Quality Reed Contact Switch 3 Pin NO/NC 27/8mm 14mm SMD Normally Open Normally Closed Magnetic
Aliexpress
$1.18
$1.46
10Pcs Reed Switch Magnetic Switch Normally Open Normally Closed NO NC Magnetic Conversion Sensor
Aliexpress
19% off
$1.18
$1.46
10Pcs Reed Switch Magnetic Switch Normally Open Normally Closed NO NC Magnetic Conversion Sensor
Aliexpress
$1.26
$1.33
5Pcs/1Pc PS-3150 Reed Switch Sensor 3150 Normally Open NO Proximity Magnetic Door Window Contacts
Aliexpress
$1.26
$1.33
5Pcs/1Pc PS-3150 Reed Switch Sensor 3150 Normally Open NO Proximity Magnetic Door Window Contacts
Aliexpress
$14.58
Magnetic Reed Switch, 5 Pack NO NC Ring Alarm Contact Sensor Switch, White | Harfington
harfington
30-day returns (most items)
$14.58
Magnetic Reed Switch, 5 Pack NO NC Ring Alarm Contact Sensor Switch, White | Harfington
harfington
$2.16
$4.49
Original High Current 3Pin Magnetic Reed Switch 1A 1.5A 2A 4A Normally Open Normally Closed NO/NC
Aliexpress
51% off
$2.16
$4.49
Original High Current 3Pin Magnetic Reed Switch 1A 1.5A 2A 4A Normally Open Normally Closed NO/NC
Aliexpress
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    Shop Reed Switch Sensor with LED Circuit

    Sponsored
    About our ads
    $15.59
    5Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch Black
    Amazon.com
    25
    $15.59
    5Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch Black
    Amazon.com
    $1.18
    $1.24
    5Pcs GPS-11A Plastic Reed Switch 311mm 3x11mm Magnetic Reed Switchs Sensor Normally Open NO DIY
    Aliexpress
    $1.18
    $1.24
    5Pcs GPS-11A Plastic Reed Switch 311mm 3x11mm Magnetic Reed Switchs Sensor Normally Open NO DIY
    Aliexpress
    $13.99
    Victorshome Magnetic Reed Switch RC-33 NC Recessed Wired Window Door Contact Sensor For Home Security And Burglar Alarm Systems 10 Pcs
    Amazon.com
    $13.99
    Victorshome Magnetic Reed Switch RC-33 NC Recessed Wired Window Door Contact Sensor For Home Security And Burglar Alarm Systems 10 Pcs
    Amazon.com
    $2.31
    $3.41
    5PCS Reed Switch GPS-14A 2.7 14 Plastic Type Normally Open Magnetic Control Switch Sensor
    Aliexpress
    32% off
    $2.31
    $3.41
    5PCS Reed Switch GPS-14A 2.7 14 Plastic Type Normally Open Magnetic Control Switch Sensor
    Aliexpress
    $40.00
    Phd Reed Magnetic Sensor Switch S8 W3544 1038 4 Pin Wire Plug Led
    eBay
    Free shipping
    $40.00
    Phd Reed Magnetic Sensor Switch S8 W3544 1038 4 Pin Wire Plug Led
    eBay
    $0.44
    $0.71
    100Pcs/2Pcs 311 GPS-11A Reed Switch Sensor 3x11mm Reed Switch Magnetic Switch Normally Open NO
    Aliexpress
    38% off
    $0.44
    $0.71
    100Pcs/2Pcs 311 GPS-11A Reed Switch Sensor 3x11mm Reed Switch Magnetic Switch Normally Open NO
    Aliexpress
    $49.00
    Pneumax Rs.Dcno Magnetic Reed Switch With Led
    eBay
    $49.00
    Pneumax Rs.Dcno Magnetic Reed Switch With Led
    eBay
    $59.96
    CKD CORP SWR0 REED SWITCH 2 WIRE 24VDC RED LED INDICATOR NNB
    eBay.com
    Free shipping
    $59.96
    CKD CORP SWR0 REED SWITCH 2 WIRE 24VDC RED LED INDICATOR NNB
    eBay.com
    $20.34
    5V-12V - Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12v - (Black)
    Automatics & More
    $20.34
    5V-12V - Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12v - (Black)
    Automatics & More
    $53.00
    6KL75 GRAINGER - Sensors & Switches & Reed/Hall-Effect/Magnetic Switch Supplies
    Radwell.com
    $53.00
    6KL75 GRAINGER - Sensors & Switches & Reed/Hall-Effect/Magnetic Switch Supplies
    Radwell.com
    $17.98
    Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
    Amazon.com
    38
    $17.98
    Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
    Amazon.com
    $10.49
    $11.10
    Normally Open Or Closed Reed Sensor Proximity Switch, Magnetic Control Switch, 4 X 18 Plastic Tape
    Aliexpress
    Free shipping
    $10.49
    $11.10
    Normally Open Or Closed Reed Sensor Proximity Switch, Magnetic Control Switch, 4 X 18 Plastic Tape
    Aliexpress
    $16.99
    5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
    Amazon.com
    242
    $16.99
    5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
    Amazon.com
    $9.79
    Magnetic Reed Switch, 2 Pack NO NC Door Sensor Window Contact Switch, White | Harfington
    harfington
    30-day returns (most items)
    $9.79
    Magnetic Reed Switch, 2 Pack NO NC Door Sensor Window Contact Switch, White | Harfington
    harfington
    $144.00
    ASV4D2M8 REED SWITCH DEVELOPMENTS CORP - Sensors & Switches & Reed/Hall-Effect/Magnetic Switch Supplies
    Radwell.com
    $144.00
    ASV4D2M8 REED SWITCH DEVELOPMENTS CORP - Sensors & Switches & Reed/Hall-Effect/Magnetic Switch Supplies
    Radwell.com
    $0.88
    $1.42
    5Pcs/Lot NO NC Magnetic Conversion Sensor Reed Switch Magnetic Switch Normally Open Normally Closed
    Aliexpress
    38% off
    $0.88
    $1.42
    5Pcs/Lot NO NC Magnetic Conversion Sensor Reed Switch Magnetic Switch Normally Open Normally Closed
    Aliexpress
    $8.34
    Uxcell Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch | Harfington
    harfington
    30-day returns (most items)
    $8.34
    Uxcell Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch | Harfington
    harfington
    $0.70
    $0.80
    10Pcs Reed Switch Magnetic Switch Normally Open / Normally Closed Magnetic Conversion Sensor
    Aliexpress
    12% off
    $0.70
    $0.80
    10Pcs Reed Switch Magnetic Switch Normally Open / Normally Closed Magnetic Conversion Sensor
    Aliexpress