Shop Smoke Detector Circuit Electronic Devices

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$15.99
SM120X Interconnect Accessories For Smoke Relay Module 408-Sm120x - Smoke Relay Module Replacement,Compatible With Ki-Dde Kn-Cosm-Iba Fire Alarms
Amazon.com
$15.99
SM120X Interconnect Accessories For Smoke Relay Module 408-Sm120x - Smoke Relay Module Replacement,Compatible With Ki-Dde Kn-Cosm-Iba Fire Alarms
Amazon.com
$4.37
$7.29
MQ-2 Smoke Sensor Module Smoking Detector Alarm Relay Switch Controller 12V 24V
Aliexpress
40% off
$4.37
$7.29
MQ-2 Smoke Sensor Module Smoking Detector Alarm Relay Switch Controller 12V 24V
Aliexpress
$59.84
Edwards eg1m Signal Master Fire Alarm
New Feedonomics Feed - ARC 8/12/2025
$59.84
Edwards eg1m Signal Master Fire Alarm
New Feedonomics Feed - ARC 8/12/2025
$17.00
Kidde SM120X Interconnect Accessories Smoke Relay Module
Amazon.com
267
$17.00
Kidde SM120X Interconnect Accessories Smoke Relay Module
Amazon.com
$99.99
NIB System Sensor Photoelectronic Plug-IN Smoke Detector 2451 400 Series 1 Y WAR. SYSTEM SENSOR. Fire Alarms. 0783863000256.
eBay.com
2
Free shipping
$99.99
NIB System Sensor Photoelectronic Plug-IN Smoke Detector 2451 400 Series 1 Y WAR. SYSTEM SENSOR. Fire Alarms. 0783863000256.
eBay.com
$0.27
$0.30
1PCS LM393 4 Pin IR Flame Detection Sensor Module Fire Detector Infrared Receiver Module For Arduino
Aliexpress
10% off
$0.27
$0.30
1PCS LM393 4 Pin IR Flame Detection Sensor Module Fire Detector Infrared Receiver Module For Arduino
Aliexpress
$79.00
5Pcs/Lot NIS-02C Ionization Smoke Sensor Module NIS-02C Smoke Detector Fire Alarm Module NIS02C
Aliexpress
Free shipping
$79.00
5Pcs/Lot NIS-02C Ionization Smoke Sensor Module NIS-02C Smoke Detector Fire Alarm Module NIS02C
Aliexpress
$149.00
System Sensor JTY-GD-882 Photo Electric Smoke Detector Lot Of 04. System Sensor. Smoke Detectors. JTY-GD-882.
eBay.com
Free shipping
$149.00
System Sensor JTY-GD-882 Photo Electric Smoke Detector Lot Of 04. System Sensor. Smoke Detectors. JTY-GD-882.
eBay.com
$2,422.49
Microchip R&E RE46C141E16F Smoke Detector Sensor 16 Pin, Box Of 3000 Pcs. Microchip. Thyristors & Scrs. RE46C141E16F.
eBay.com
Free shipping
$2,422.49
Microchip R&E RE46C141E16F Smoke Detector Sensor 16 Pin, Box Of 3000 Pcs. Microchip. Thyristors & Scrs. RE46C141E16F.
eBay.com
$329.37
Brand New System Sensor 2551 Photoelectronic Smoke Detector Free Fast Shipping. System Sensor. Fire Alarms. 2551.
eBay.com
Free shipping
$329.37
Brand New System Sensor 2551 Photoelectronic Smoke Detector Free Fast Shipping. System Sensor. Fire Alarms. 2551.
eBay.com
$26.56
$33.98
Sperry Instruments CS550A Circuit Breaker Finder, Quickly Locate AC Circuits/Fuses, Visual LED, Plug Style Transmitter/Auto-Sensing Receiver, 120V AC,
Amazon.com
1K+
21% off
$26.56
$33.98
Sperry Instruments CS550A Circuit Breaker Finder, Quickly Locate AC Circuits/Fuses, Visual LED, Plug Style Transmitter/Auto-Sensing Receiver, 120V AC,
Amazon.com
$39.99
System Sensor RTS151 Smoke Detector Test Station Replaces RTS451 New Accessory. System Sensor. Other Electrical Equipment & Supplies. 0783863038068.
eBay.com
1
Free shipping
$39.99
System Sensor RTS151 Smoke Detector Test Station Replaces RTS451 New Accessory. System Sensor. Other Electrical Equipment & Supplies. 0783863038068.
eBay.com
$94.05
System Sensor 2 W-B 2-Wire Plug-In Photoelectric Smoke Detector Lot Of 2 Pcs. System Sensor. Other Test Equipment Parts & Accessories.
eBay.com
Free shipping
$94.05
System Sensor 2 W-B 2-Wire Plug-In Photoelectric Smoke Detector Lot Of 2 Pcs. System Sensor. Other Test Equipment Parts & Accessories.
eBay.com
$125.58
NIB Edwards EST 2251FB Photoelectric Detector Same DAY. Honeywell. Fire Alarms. SMOKEDETECTIONMODULE.
eBay.com
Free shipping
$125.58
NIB Edwards EST 2251FB Photoelectric Detector Same DAY. Honeywell. Fire Alarms. SMOKEDETECTIONMODULE.
eBay.com
$141.99
$228.58
System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLP
Voomi Supply
1
37% off
$141.99
$228.58
System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLP
Voomi Supply
$77.00
NEW System Sensor 400 Series Plug IN Photoelectronic Fire Detector Head 2451. System Sensor. Smoke Detectors. 0783863000256.
eBay.com
2
$77.00
NEW System Sensor 400 Series Plug IN Photoelectronic Fire Detector Head 2451. System Sensor. Smoke Detectors. 0783863000256.
eBay.com
$123.75
1PC System Sensor 2251B Photoelectric Smoke Detector P. System Sensor. Fire Alarms. 2251B.
eBay.com
8
$123.75
1PC System Sensor 2251B Photoelectric Smoke Detector P. System Sensor. Fire Alarms. 2251B.
eBay.com
$59.99
Lot Of 2 ESL 425CT Photoelectric Smoke Detector W/Heat Sensor, 2 Wire DC Power
US eBay
Free shipping
$59.99
Lot Of 2 ESL 425CT Photoelectric Smoke Detector W/Heat Sensor, 2 Wire DC Power
US eBay
$30.00
System Sensor 2151 Photoelectronic Plug-In Smoke Detector. System Sensor. Fire Alarms. 0783863004957.
eBay.com
1
$30.00
System Sensor 2151 Photoelectronic Plug-In Smoke Detector. System Sensor. Fire Alarms. 0783863004957.
eBay.com
$49.48
System Sensor JTY-GD-882 Photoelectric Smoke Detector. System Sensor. PLC Processors. JTY-GD-882.
eBay.com
Free shipping
$49.48
System Sensor JTY-GD-882 Photoelectric Smoke Detector. System Sensor. PLC Processors. JTY-GD-882.
eBay.com
$62.22
Edwards 302-Aw-135 125V Heat Detector
New Feedonomics Feed - ARC 8/12/2025
$62.22
Edwards 302-Aw-135 125V Heat Detector
New Feedonomics Feed - ARC 8/12/2025
$100.00
System Sensor 2351/EC Photo Electric Smoke Detector 2351 EC. System Sensor. Other Electrical Equipment & Supplies.
eBay.com
$100.00
System Sensor 2351/EC Photo Electric Smoke Detector 2351 EC. System Sensor. Other Electrical Equipment & Supplies.
eBay.com
$94.05
System Sensor Model 2151 1082 A L01-0100-001 Smoke Detector. System Sensor. Other Test Equipment Parts & Accessories. 0783863004957.
eBay.com
3
Free shipping
$94.05
System Sensor Model 2151 1082 A L01-0100-001 Smoke Detector. System Sensor. Other Test Equipment Parts & Accessories. 0783863004957.
eBay.com
$57.49
System Sensor 2W-B Detector Photoelectric Smoke Plugin Wall/Ceil 2-Wr 2 Wire 12V. System Sensor. White. Smoke Detectors. 2W-B.
eBay.com
9
Free shipping
$57.49
System Sensor 2W-B Detector Photoelectric Smoke Plugin Wall/Ceil 2-Wr 2 Wire 12V. System Sensor. White. Smoke Detectors. 2W-B.
eBay.com
$618.74
$798.34
Allied Commercial C1SNSR43C-1 Smoke Detector Kit | Supply & Return | 1-Power Board & 2-Sensors | K Series C Box 13-25 Tons
Voomi Supply
22% off
$618.74
$798.34
Allied Commercial C1SNSR43C-1 Smoke Detector Kit | Supply & Return | 1-Power Board & 2-Sensors | K Series C Box 13-25 Tons
Voomi Supply
$94.64
ABB Busch-Jaeger 6828 RF Smoke Alarm Detector With Lithium Module - 2CKA006800A2514
Tameson.com
$94.64
ABB Busch-Jaeger 6828 RF Smoke Alarm Detector With Lithium Module - 2CKA006800A2514
Tameson.com
$316.44
1Pcs System Sensor 2451 Photoelectric Smoke Detector Fire Alarm
eBay
Free shipping
$316.44
1Pcs System Sensor 2451 Photoelectric Smoke Detector Fire Alarm
eBay
$18.30
$52.57
Tuya Wifi Smoke Alarm Temperature And Humidity Detection 3 In1 Fire Protection Smoke Detector Sensor
Aliexpress
Free shipping
65% off
$18.30
$52.57
Tuya Wifi Smoke Alarm Temperature And Humidity Detection 3 In1 Fire Protection Smoke Detector Sensor
Aliexpress
$2,995.50
Det-Tronics U5015A4N12A EXPLOSION PROOF SMOKE DETECTOR Module Replacement NEW
US eBay
Free shipping
$2,995.50
Det-Tronics U5015A4N12A EXPLOSION PROOF SMOKE DETECTOR Module Replacement NEW
US eBay
$75.00
NIB! System Sensor B114LP Series Relay Base 4-Wire Smoke Detector Base
US eBay
Free shipping
$75.00
NIB! System Sensor B114LP Series Relay Base 4-Wire Smoke Detector Base
US eBay
$87.75
X-Sense Smart Smoke Detector Kit, 1 1/4 Mile Transmission Range With Lora Tech, 1 Base Station 6 Photoelectric Sensor Fire Smoke Alarms, HFS07
Dmpsww
$87.75
X-Sense Smart Smoke Detector Kit, 1 1/4 Mile Transmission Range With Lora Tech, 1 Base Station 6 Photoelectric Sensor Fire Smoke Alarms, HFS07
Dmpsww

Shop Smoke Detector Circuit Electronic Devices

Sponsored
About our ads
$15.99
SM120X Interconnect Accessories For Smoke Relay Module 408-Sm120x - Smoke Relay Module Replacement,Compatible With Ki-Dde Kn-Cosm-Iba Fire Alarms
Amazon.com
$15.99
SM120X Interconnect Accessories For Smoke Relay Module 408-Sm120x - Smoke Relay Module Replacement,Compatible With Ki-Dde Kn-Cosm-Iba Fire Alarms
Amazon.com
$4.37
$7.29
MQ-2 Smoke Sensor Module Smoking Detector Alarm Relay Switch Controller 12V 24V
Aliexpress
40% off
$4.37
$7.29
MQ-2 Smoke Sensor Module Smoking Detector Alarm Relay Switch Controller 12V 24V
Aliexpress
$59.84
Edwards eg1m Signal Master Fire Alarm
New Feedonomics Feed - ARC 8/12/2025
$59.84
Edwards eg1m Signal Master Fire Alarm
New Feedonomics Feed - ARC 8/12/2025
$17.00
Kidde SM120X Interconnect Accessories Smoke Relay Module
Amazon.com
267
$17.00
Kidde SM120X Interconnect Accessories Smoke Relay Module
Amazon.com
$99.99
NIB System Sensor Photoelectronic Plug-IN Smoke Detector 2451 400 Series 1 Y WAR. SYSTEM SENSOR. Fire Alarms. 0783863000256.
eBay.com
2
Free shipping
$99.99
NIB System Sensor Photoelectronic Plug-IN Smoke Detector 2451 400 Series 1 Y WAR. SYSTEM SENSOR. Fire Alarms. 0783863000256.
eBay.com
$0.27
$0.30
1PCS LM393 4 Pin IR Flame Detection Sensor Module Fire Detector Infrared Receiver Module For Arduino
Aliexpress
10% off
$0.27
$0.30
1PCS LM393 4 Pin IR Flame Detection Sensor Module Fire Detector Infrared Receiver Module For Arduino
Aliexpress
$79.00
5Pcs/Lot NIS-02C Ionization Smoke Sensor Module NIS-02C Smoke Detector Fire Alarm Module NIS02C
Aliexpress
Free shipping
$79.00
5Pcs/Lot NIS-02C Ionization Smoke Sensor Module NIS-02C Smoke Detector Fire Alarm Module NIS02C
Aliexpress
$149.00
System Sensor JTY-GD-882 Photo Electric Smoke Detector Lot Of 04. System Sensor. Smoke Detectors. JTY-GD-882.
eBay.com
Free shipping
$149.00
System Sensor JTY-GD-882 Photo Electric Smoke Detector Lot Of 04. System Sensor. Smoke Detectors. JTY-GD-882.
eBay.com
$2,422.49
Microchip R&E RE46C141E16F Smoke Detector Sensor 16 Pin, Box Of 3000 Pcs. Microchip. Thyristors & Scrs. RE46C141E16F.
eBay.com
Free shipping
$2,422.49
Microchip R&E RE46C141E16F Smoke Detector Sensor 16 Pin, Box Of 3000 Pcs. Microchip. Thyristors & Scrs. RE46C141E16F.
eBay.com
$329.37
Brand New System Sensor 2551 Photoelectronic Smoke Detector Free Fast Shipping. System Sensor. Fire Alarms. 2551.
eBay.com
Free shipping
$329.37
Brand New System Sensor 2551 Photoelectronic Smoke Detector Free Fast Shipping. System Sensor. Fire Alarms. 2551.
eBay.com
$26.56
$33.98
Sperry Instruments CS550A Circuit Breaker Finder, Quickly Locate AC Circuits/Fuses, Visual LED, Plug Style Transmitter/Auto-Sensing Receiver, 120V AC,
Amazon.com
1K+
21% off
$26.56
$33.98
Sperry Instruments CS550A Circuit Breaker Finder, Quickly Locate AC Circuits/Fuses, Visual LED, Plug Style Transmitter/Auto-Sensing Receiver, 120V AC,
Amazon.com
$39.99
System Sensor RTS151 Smoke Detector Test Station Replaces RTS451 New Accessory. System Sensor. Other Electrical Equipment & Supplies. 0783863038068.
eBay.com
1
Free shipping
$39.99
System Sensor RTS151 Smoke Detector Test Station Replaces RTS451 New Accessory. System Sensor. Other Electrical Equipment & Supplies. 0783863038068.
eBay.com
$94.05
System Sensor 2 W-B 2-Wire Plug-In Photoelectric Smoke Detector Lot Of 2 Pcs. System Sensor. Other Test Equipment Parts & Accessories.
eBay.com
Free shipping
$94.05
System Sensor 2 W-B 2-Wire Plug-In Photoelectric Smoke Detector Lot Of 2 Pcs. System Sensor. Other Test Equipment Parts & Accessories.
eBay.com
$125.58
NIB Edwards EST 2251FB Photoelectric Detector Same DAY. Honeywell. Fire Alarms. SMOKEDETECTIONMODULE.
eBay.com
Free shipping
$125.58
NIB Edwards EST 2251FB Photoelectric Detector Same DAY. Honeywell. Fire Alarms. SMOKEDETECTIONMODULE.
eBay.com
$141.99
$228.58
System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLP
Voomi Supply
1
37% off
$141.99
$228.58
System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLP
Voomi Supply
$77.00
NEW System Sensor 400 Series Plug IN Photoelectronic Fire Detector Head 2451. System Sensor. Smoke Detectors. 0783863000256.
eBay.com
2
$77.00
NEW System Sensor 400 Series Plug IN Photoelectronic Fire Detector Head 2451. System Sensor. Smoke Detectors. 0783863000256.
eBay.com
$123.75
1PC System Sensor 2251B Photoelectric Smoke Detector P. System Sensor. Fire Alarms. 2251B.
eBay.com
8
$123.75
1PC System Sensor 2251B Photoelectric Smoke Detector P. System Sensor. Fire Alarms. 2251B.
eBay.com
$59.99
Lot Of 2 ESL 425CT Photoelectric Smoke Detector W/Heat Sensor, 2 Wire DC Power
US eBay
Free shipping
$59.99
Lot Of 2 ESL 425CT Photoelectric Smoke Detector W/Heat Sensor, 2 Wire DC Power
US eBay