Nc Door Alarm

2,658 Nc Door Alarm

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61 suppliers

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DIY House Alarm System GSM Security Alarm with Relay Output

US$ 1 / Set

Min. Order:1 Set

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  • Type: Anti-Theft Alarm
  • Signal Transmission: Wireless Alarm
  • Working Mode: Passive
  • Application: Indoor
  • Working Principle: GSM Network
  • Languages Supported: Russian, Spanish, English, Chinese

Gate Opener Motor Battery Powered Photo Cell Infrared Sensor/ Photo Eye Photocell/Safety Beam Sensors Alarm System Door Window

US$ 27-42 / Piece

Min. Order:1 Piece

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  • System: Passage System
  • Type: Anti-Theft Alarm
  • Application: Home, Communication Electronic Products, Industry, Special Equipment, Traffic, Car/Motorcycle
  • Usage: Door, Auto
  • Certification: CE, FCC
  • Rotation Angle: 180 Degree

Convenitonal 4 Wire Smoke Alarm with Relay Output No/Nc Option

US$ 9.5-10.7 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: CE, ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: DC9~28V

Gate Photocell Infrared Photocell Sensor for Automatic Gate Opening with 180 External Rotation System

US$ 27-42 / Piece

Min. Order:1 Piece

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  • Signal Transmission: Infrared Photocells
  • System: Passage System
  • Type: Anti-Theft Alarm
  • Application: Home, Communication Electronic Products, Industry, Special Equipment, Traffic, Car/Motorcycle
  • Usage: Door, Auto
  • Certification: CE, FCC

Wireless Mini PIR Motion Sensor Detector Tamper for Home Security Alarm Siren System

US$ 3.5-4 / Piece

Min. Order:2 Pieces

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  • Type: Home Alarm
  • Signal Transmission: Wireless Alarm
  • Working Mode: Active
  • Certification: CE, RoHS
  • Application: Restaurant Hotel Hospital Coffee Shop
  • Transmission Mode: Wireless

Home Security Copper Body Magnetic Contact Switch (Br-1072)

US$ 1.15 / Piece

Min. Order:1000 Pieces

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  • Application: Home
  • Usage: Door, Window
  • Certification: CE
  • Maximum Switching Voltage: 100
  • Maximum Switching Current: 0.5
  • Reed Form: N/O,N/C,Spdt

220V Combustible Wired Gas Leakage Alarm with Valve Cut off Function

US$ 5-6 / Piece

Min. Order:10 Pieces

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  • Type: Carbon Monoxide Alarm
  • Conductivity Type: Non-conductivity Type
  • Output Signal Type: Analog Type
  • Production Process: SemiConductor Integrated
  • Material: Plastic
  • IP Rating: IP68

Normally Open Magnetic Door Contact Alarm Security Reed Switch

Min. Order:100 Pieces

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  • Signal Transmission: Wired
  • System: Intelligent System
  • Type: No Nc
  • Application: Home
  • Usage: Door, Window
  • Certification: CE, En

220V 4-Wire Photoelectric Smoke Alarm and Fire Detector with Relay Output

US$ 10.12-10.85 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: CE, ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: AC 220V

12V/24V Fire Alarm Smoke Alarm for Electric Cabinet Usage

US$ 8.9-10.7 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: DC12~24V

Non-Addresasble 12V/24V Switch Output Smoke Alarm for PLC Fire Detection

US$ 8.8-10.2 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: DC12~24V

LCD Display Carbon Monoxide Alarm with Back up Battery (ES-6906C)

US$ 5-6 / Piece

Min. Order:10 Pieces

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  • Type: Carbon Monoxide Alarm
  • Conductivity Type: Non-conductivity Type
  • Output Signal Type: Analog Type
  • Production Process: SemiConductor Integrated
  • Material: Plastic
  • IP Rating: IP68

Magnetic Proximity Door Alarm/Window Alarm Contact

US$ 0.63-0.85 / Piece

Min. Order:1000 Pieces

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  • Application: Home, Industry
  • Usage: Door, Window
  • Certification: CE, ISO, RoHS, UL
  • Material: ABS Plastic
  • Color: White, Brown, Grey
  • Loop Type: Closed

Fire Alarm Ultroviolet Flame Detector with Relay Output for Smoke Alarm System

US$ 65-82 / Piece

Min. Order:1 Piece

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  • Type: Ultroviolet Flame Detector
  • Anti-theft Alarm System Approach: Active
  • Anti-Theft Alarm System Type: Smoke Alarms
  • Anti-Theft Alarm System-Wide: Space Security Alarm Detector
  • Anti-Theft Alarm System Distance: Common Detectors
  • Types of Smoke Detectors: UV Flame Detector

2m Long Safety Light Curtains for Home Fence Alarm System

US$ 100-110 / Pair

Min. Order:1 Pair

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  • Function Type: Infrared Range and Communication System
  • Detection Type: Any Objectives
  • Output Signal Type: Relay
  • Production Process: Integration
  • Material: Aluminum Alloy + PC
  • IP Rating: IP67

2m Long Safety Light Curtain Security Residents Alarm Control System

US$ 100-110 / Pair

Min. Order:1 Pair

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  • Function Type: Infrared Range and Communication System
  • Detection Type: Any Objectives
  • Output Signal Type: Relay
  • Production Process: Integration
  • Material: Aluminum Alloy + PC
  • IP Rating: IP67

High Reliability 12V/24V 4wire Fire Alarm Smoke Sensor for Electric Cabinet

US$ 8.9-10.7 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: DC12~24V

Photocell Sensor Perimeter Security Alarm Detector Infrared Grating

US$ 65-75 / Pair

Min. Order:1 Pair

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  • Function Type: Infrared Range and Communication System
  • Detection Type: Any Objectives
  • Output Signal Type: Relay
  • Production Process: Integration
  • Material: Aluminum Alloy + PC
  • IP Rating: IP67

DIY House Alarm System Infrared Sensor Security Alarm with Relay Output

US$ 100-110 / Pair

Min. Order:1 Pair

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  • Function Type: Infrared Range and Communication System
  • Detection Type: Any Objectives
  • Output Signal Type: Relay
  • Production Process: Integration
  • Material: Aluminum Alloy + PC
  • IP Rating: IP67

Russian Language GSM Security Home Alarm with LCD and Keypad

US$ 30-50 / Set

Min. Order:1 Set

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  • Type: Anti-Theft Alarm
  • Signal Transmission: Wireless Alarm
  • Working Mode: Passive
  • Certification: CE, ISO, RoHS, CCC
  • Application: Indoor
  • Working Principle: Electro-Acoustic Style

Wired Security Magnetic Alarm Contact Door Reed Switch

US$ 0.68-1.5 / Piece

Min. Order:1000 Pieces

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  • Type: Door Sensor
  • Signal Transmission: Wired Alarm
  • Working Mode: Active
  • Certification: CE, ISO, UL
  • Application: Indoor, Outdoor
  • Product Name: No Nc UL Ce Recessed Wired Cheap Alarm

Convenitonal 4 Wire Fire Alarm with Relay Output No/Nc Option

US$ 9.5-10.7 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: CE, ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: DC9~28V

12/24V 4 Wire Smoke & Heat Alarm with Relay Output for Power Cabinet&Machine Room Usage

US$ 9.5-10.7 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: CE, ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: DC9~28V

220V/110V Gas + Co Alarm with CE

US$ 5-6 / Piece

Min. Order:10 Pieces

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  • Type: Carbon Monoxide Alarm
  • Conductivity Type: Non-conductivity Type
  • Output Signal Type: Analog Type
  • Production Process: SemiConductor Integrated
  • Material: Plastic
  • IP Rating: IP68

High Reliability Fire Alarm Smoke Detector for Security and Protection System

US$ 8.9-10.7 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: DC12~24V

UV Ultroviolet Alarm with Relay Output for Fire Fighting Alarm Security System

US$ 65-82 / Piece

Min. Order:1 Piece

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  • Type: Ultroviolet Flame Detector
  • Anti-theft Alarm System Approach: Active
  • Anti-Theft Alarm System Type: Smoke Alarms
  • Anti-Theft Alarm System-Wide: Space Security Alarm Detector
  • Anti-Theft Alarm System Distance: Common Detectors
  • Types of Smoke Detectors: UV Flame Detector

Sentek Magnetic Door Contacts Sensor Alarm for Home Security System

US$ 3.03-3.58 / Piece

Min. Order:1000 Pieces

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  • Type: Anti-Theft Alarm
  • Usage: Door, Window, Security
  • Packing: 1000PCS/Carton
  • Standard: 3/4"dia*1"L
  • Port: Ningbo
  • Production Capacity: 1000000PCS/Month

4 Wire 220V AC Power Smoke Alarm with Relay Output

US$ 10.12-10.85 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: CE, ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: AC 220V

4 Wire 220V AC Power Smoke Alarm with Relay Output for Fire Alarm System

US$ 10.12-10.85 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: CE, ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: AC 220V

110V 220V Wired Smoke Alarm with No Nc Relay Output

US$ 3-5 / Piece

Min. Order:10 Pieces

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  • Type: Smoke Alarm
  • Signal Transmission: Wired Alarm
  • Working Mode: Passive
  • Certification: CE, ISO, RoHS, CCC
  • Application: Indoor
  • Working Principle: Electro-Optical Type

Conventional 4 Wired 12V/24V Fire Alarm Smoke Alarm Used in Industry Control System

US$ 8.9-10.7 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: DC12~24V

Smart Home Automation GSM WiFi Tuya Smart Alarm for House Security

US$ 48-62 / Piece

Min. Order:100 Pieces

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  • Type: Anti-Theft Alarm
  • Signal Transmission: Wireless Alarm
  • Working Mode: Passive
  • Certification: CE, FCC, RoHS
  • Working Principle: Electro-Optical Type
  • Transmission Mode: Wireless

EN54 Standard Manual Call Point Emergency Alarm

US$ 3.5-6.5 / Piece

Min. Order:1 Piece

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  • Type: Fire Alarm
  • Signal Transmission: Wired Alarm
  • Certification: CE, ISO
  • Application: Indoor
  • Transmission Mode: Cable
  • Product Name: Fire Alarm Call Point

DC12/24V Convenitonal 4 Wire Photoelectric Smoke Alarm for Fire Alarm&Security System

US$ 9.5-10.7 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: CE, ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: DC9~28V

Manufacturer Security Alarm Surface Mounted Magnetic Door Contact BS-2011c

US$ 0.7-1.5 / Piece

Min. Order:100 Pieces

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  • Usage: Door, Window
  • Certification: CE, UL
  • Material: ABS
  • Colors: White, Brown, Grey
  • Wire: Side Leads with #22AWG 18" Length
  • Gap: 1"Gap

12V/24V 4wired Fire Alarm Smoke Alarm for Security and Protection System

US$ 8.9-10.7 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: DC12~24V

4 Wired 12V/24V Fire Alarm Smoke Alarm with Relay Output

US$ 8.9-10.7 / Piece

Min. Order:1 Piece

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  • Type: Smoke Alarm
  • Usage: Smoke Detector
  • Installation Mode: Built in
  • Certification: ISO, CCC
  • Application: Industry, Communication Electronic Products, Special Equipment
  • Rated Operational Voltage: DC12~24V

Safety Infrared Photo Beam Sensor Driveway Alarm

US$ 25-40 / Piece

Min. Order:1 Piece

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  • Type: Reflective Panels Type Photoelectric Sensor
  • Output Signal Type: Digital Type
  • Production Process: Integration
  • Material: Plastic
  • Feature: SemiConductor
  • IP Rating: IP65

LCD Display Co Alarm with Ce Certificate (ES-6906C)

US$ 5-6 / Piece

Min. Order:10 Pieces

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  • Type: Carbon Monoxide Alarm
  • Conductivity Type: Non-conductivity Type
  • Output Signal Type: Analog Type
  • Production Process: SemiConductor Integrated
  • Material: Plastic
  • IP Rating: IP68

Honeywell, DSC, 2gig, Ge Wireless Magnetic Sensor for Home System (WC10)

US$ 5.5 / Piece

Min. Order:500 Pieces

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  • Type: Home Alarm
  • Signal Transmission: Wireless Alarm
  • Working Mode: Passive
  • Certification: CE
  • Application: Indoor
  • Working Principle: Electromagnetic