Hxchen MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (5 Sets)

$17.59

SMC D-A93 Auto Switch, Reed, General Purpose

$925

Hilitand Magnetic Sensor Reed Switch for Cylinder CS1-U Magnetic Air Pneumatic Cylinder NO Magnetic Reed Switch Sensor DC AC 5V- 240V

$30.99

BQLZR Cylindrical Plastic Mounted Reed Proximity Switch Magnetic Sensor Pack of 2

$12.99

Dairzitv MC-31 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch White 10pcs

$15.69

BNYZWOT MC-31 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch White 10pcs

$15.59

GDQLCNXB 2 Sets MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch

$12.99

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

$7.59

PATIKIL Magnetic Reed Switch, 10 Pack NC Wired Recessed Door Sensor Window Contact Switch for Alarm System, Black

$9.99

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）

$8.29

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

$9.99

Reed Switch Developments, 2250-1051-100, Reed Switch/Sensor, Plastic, SPST - Form A, 15W 200V 1A, Qty: 1, Black

$7.89

BNYZWOT MC-38 Surface Mount Wired NC Door Sensor Alarm Magnetic Reed Switch White 10 Pair

$11.99

Ximimark PS-3150 Normally Open Magnetic Sensor Reed Switch magnetic proximity switch Door Contact Safety Security Alarm 3Pcs

$9.99

MC-32 NC Surface Mount Wired NC Door Sensor Alarm Magnetic Reed Switch White (5 Sets)

$21.99

bnafes MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch 2 Sets

$14.99

Dairzitv MC-31 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch White 5 Pair

$7.59

CZMAG Magnets Reed Switch,10pcs Plastic Contact Normally Closed Magnetic Reed Switch Drop-Proof and Anti-Interference(N/C)

$8.99

weideer 2pcs MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch Black

$14.94

Lzcdelyxiao 5Pcs NO Normally Open NPN Inductive Proximity Sensor Switch M8 Detector 2mm DC6V-36V 3 Wire LJ8A3-2-Z/BX

$9.99

Lzcdelyxiao 5Pcs NC Normally Close NPN Inductive Proximity Sensor Switch M8 Detector 2mm DC6V-36V 3 Wire LJ8A3-2-Z/AX

$6.49

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)

$16.99

SMC D-B53 Auto Switch, Reed, General Purpose

$34

Reed Switch Developments, 2100-1091-400, Reed Switch/Sensor + Actuator Kit, Plastic, SPST - Form A, 10W 170V 0.5A, Qty: 1 Kit, Black

$7.99

Current Sensing Switch Normally Open Current Sensing Switch Adjustable AC 0.2-30A SZC23-NO-AL-CH, JSTXSZ

$373.75

jing Magnetic Reed Switch MC-31B NC & NO Surface Mount Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch,Sets of 5

$9.99

Magnetic Reed Switch MC-33C Normally Closed Recessed Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch,Sets of 3

$15.59

QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws

$19.79

Panopticon Tech 10 pcs Brown Door Contacts Surface Mount NC Security Alarm Window Sensors WMagnetic Reed Switch. These ¾” Position switches (DCS) Work All Access Control & Burglar Alarm Systems

$27.29

5Pcs NC LJ12A3-4-Z/AX Normal Close Inductive Proximity Sensor Switch 3wires 4mm NPN DC6V-36V US

$19.69

Haldzemo M12 Inductive Proximity Sensor LJ12A3-4-Z/AX Normally Close Detection Approach Switch NPN NC 3 Wire DC 6V-36V with I Type Bracket (2 Pack, NPN NC+I Type)

$8.47

Heschen M18 Capacitive Proximity Sensor Switch Non-Shield Type LJC18A3-B-Z/AX Detection 10mm 10-30VDC 200mA NPN Normally Closed(NC) 3 Wires

$11.99

Lzcdelyxiao 5Pcs NC Normally Close PNP Inductive Proximity Sensor Switch M12 Detector 4mm DC6V-36V 3 Wire LJ12A3-4-Z/AY

$109.95

Taiss LJC18A3-H-Z/BX Proximity Switch 1-10mm Sensor Switch Capacitance Proximity Sensor Switch NPN NO（Normally Open） DC 6-36V 300mA M18 3-Wire

$12.99

VictorsHome Magnetic Reed Switch NC NO COM Surface Mount Wired Door Window Contact Sensor with Cover for Home Security and Burglar Alarm Systems MC-31 5pcs

$7.99

3Pcs LJ12A3-4-Z/AX M12 Inductive Proximity Switch Sensor Detection NPN NC DC 10-30V Non-Shield Type LJ12A3-4-Z/AX 4mm Normally Close Detecting Distance Proximity Switch 10-30V 200mA 3 Wire

$12.99

CrocSee Miniature Current Switch, CS-TS0, Normally Open Amp Sensor Monitoring Relay, AC 1-50A Detectable

$8.99

Gebildet 5pcs Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch Black, Magnetic Door Sensor, Normally Closed Magnetic Switch

$8.99

Woljay LJ30A3-15-Z/AX Inductive Proximity Sensor Switch 3 Wire DC 6-36V NPN NC

$14.99

Comimark 3Pcs TL-W5MC1 5mm 3 Wire Inductive Proximity Sensor Detection Switch NPN DC 6-36V

$22.99

Wengart Capacitive Proximity Sensor Switch LJC18A3-B-Z,M18,DC10-30V,300mA,10mm Detecting Distance,3 Wire (PNP_Normally Open)

$6.99

Heschen M8 Inductive Proximity Sensor Switch, Non-Shield Type, LJ8A3-2-Z/AY-G-DC5V, Detector 2mm, 5VDC 200mA, PNP Normally Closed(NC), 3 Wire

$9.99

Augiimor 2PCS RC-35 NC & NO Wired Magnetic Door Window Contact Sensor Security Alarm Door Window Contact Sensor Magnetic Reed Switch (White)

$7.99

Wengart Capacitive Proximity Sensor Switch LJC18A3-B-Z,M18,DC10-30V,300mA,10mm Detecting Distance,3 Wire (NPN_Normally Open)

$12.99

Magnetic Reed Switch MC-31 NC Surface Mount Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch,Sets of 2

$9.99

Magnetic Reed Switch MC-32 NC Surface Mount Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch,Sets of 2

$14.94

Heschen M18 Capacitive Proximity Sensor Switch Non-Shield Type LJC18A3-B-Z/AY Detection 10mm 10-30VDC 200mA PNP Normally Closed(NC) 3 Wires

$6.49

Inductive Proximity Sensors DC 10‑30V Square Proximity Switch 3 Wire 5mm NPN Inductive Proximity Switch for Detecting Metal TL-Q5MC1-Z

$19.99

uxcell PL-05N DC 10-30V NPN NO 5mm Square Inductive Proximity Sensor Switch 3-Wire

$9.69

BokWin 5 Pcs Mico Magnetic Reed Switch Magnetic Door Window Sensor Switch Magnetic Contact Switch (Normally Close)

$7.89

Haldzemo M12 Inductive Proximity Sensor LJ12A3-4-Z/BX Normally Open Detection Approach Switch NPN NO 3 Wire DC 6V-36V with L Type Bracket (2 Pack, NPN NO+L Type)

$11.99

SMC CORPORATION D-M9N Solid State Sensor, NPN Out, Direct Mount, 4.5 to 28V, Red LED, D-M9 Series

$53

Baomain Industrial Signal Light Column LED Alarm Round Tower Light Indicator Continuous Light LGP-502T Warning Light Red AC 110V

$14.99

Haldzemo Inductive Proximity Sensor M12 LJ12A3-4-Z/BX Normally Open Detection Approach Switch 4mm NPN NO 3 Wire DC 6V-36V (4 Pack)

$8.99

Heschen M30 Inductive Proximity Sensor Switch PR30-10DN2 Cylindrical Type Detector 10mm DC12-24V 3-Wire NPN NC(Normally Closed) CE

$17.99

Magnetic Reed Switch RC-35 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch,Sets of 6

$7.89

Taiss 2pcs LJ12A3-4-Z/AX Proximity Switch Inductive Proximity Sensor Detection Switch NPN NC DC 6V-36V 4mm Normally Close 6-36V

$8.99

Haldzemo Inductive Proximity Sensor M12 LJ12A3-2-Z/BX Normally Open Detection Approach Switch 2mm NPN NO Flush Switch 3 Wire DC 6V-36V (4 Pack)

$7.49

mxuteuk 2pcs JQX-13FL AC 110V/120V Coil 8 Pin 10A DPDT LED Indicator Electromagnetic Power Relay, with Base, with DIN Rail Slotted Aluminum

$7.39

3X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch,to DC 5V Light

$19.87