2,658 Nc Door Alarm
results from60 suppliers
Recessed Magnetic Contact Swithed Sensor Switch Normally Open Window Reed Switch (BR-1021)
US$ 2.89-3.2 / Piece
Min. Order:500 Pieces
- Application: Home
- Usage: Door, Personal, Window
- Certification: CE, RoHS, UL
- Material: ABS Plastic
- Color: White, Brown, Grey
- Loop Type: Open
Black Infrared Photocell Beam Sensors for Safety Door
US$ 9-16 / Piece
Min. Order:1 Piece
- Function Type: Infrared Range and Communication System
- Detection Type: Infrared Beam Sensor
- Output Signal Type: No/Nc
- Production Process: Injection
- Material: ABS
- IP Rating: IP65
Conventional Fire Alarm System 1 to 32 Zones for Options
US$ 60-525 / Piece
Min. Order:1 Piece
- Type: Fire Alarm Host
- Usage: Door, Auto, Window, Fire, Smoke
- Certification: CE, ISO, RoHS, CCC
- Alarm Volume (within 1m): ≥80dB
- Networking Mode: GSM Dial-up
- Receive Frequency: Wired
Wired Metal Rolling Door Magnetic Contact Sensor Switch Normal Closed
US$ 3.49-4.01 / Piece
Min. Order:500 Pieces
- Signal Transmission: Cable
- System: Intelligent System
- Type: Anti-Theft Alarm
- Application: Home, Communication Electronic Products, Industry
- Usage: Door, Fire, Window
- Certification: CE, ISO, RoHS
Photoelectric Beam Sensor for Garage Gate and Sliding Gate Access System
US$ 9-16 / Piece
Min. Order:1 Piece
- Function Type: Infrared Range and Communication System
- Detection Type: Infrared Beam Sensor
- Output Signal Type: No/Nc
- Production Process: Injection
- Material: ABS
- IP Rating: IP65
Industtial Door Parts Elevator Door Sensor Safety Light Curtain for Lift
US$ 100-110 / Piece
Min. Order:1 Piece
- Type: Infrared Light Detector
- Output Signal Type: No/Nc
- Production Process: Integration
- Material: Aluminum Alloy and PC Plastic
- Feature: Low Temperature Resistant
- IP Rating: IP65
IP65 Waterproof Active Infrared Beams for Automatication Gate Solution
US$ 9-16 / Piece
Min. Order:1 Piece
- Function Type: Infrared Range and Communication System
- Detection Type: Infrared Beam Sensor
- Output Signal Type: No/Nc
- Production Process: Injection
- Material: ABS
- IP Rating: IP65
Anti-Theft Detector Sensor Home Security Alarm Sensor Door Homesecurity
US$ 100-110 / Pair
Min. Order:1 Pair
- 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
Push Button Switches Ring Door Contact Alarm Door Window Sensors
US$ 0.75-0.88 / Piece
Min. Order:1000 Pieces
- Signal Transmission: Wired
- System: Electromagnetic System
- Type: Home Alarm
- Application: Home, Industry
- Usage: Door, Window, Security
- Certification: CE, RoHS, UL
Fbmc32 Surface Magnetic Switch for Door Alarm
US$ 0.08 / Piece
Min. Order:100 Pieces
- Signal Transmission: Ultrasonic
- System: Sound and Magnetic System
- Type: Home Alarm
- Application: Home, Communication Electronic Products, Industry, Special Equipment, Traffic, Car/Motorcycle
- Usage: Door, Personal, Smoke, Fire, Window, Auto
- Certification: CE, FCC, RoHS, CCC, GS
Residential Building Fire Alarm FM200 Linkage 1-32 Zone Conventional Fire Alarm Fire Door Control Panel System
US$ 60-525 / Piece
Min. Order:1 Piece
- Type: Industry Alarm
- Signal Transmission: Wired Alarm
- Working Mode: Active
- Certification: RoHS
- Application: Indoor, Outdoor
- Working Principle: Response to The Trigger Device
Infrared Beam Sensor Is-30r Infrared Sliding Door Photocell Sensor Beam
US$ 27-42 / Piece
Min. Order:1 Piece
- 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
Door Security Systems Alarm GSM Rolling Shutters Reed Switch
US$ 3.49-4.01 / Piece
Min. Order:100 Pieces
- Type: Anti-Theft Alarm
- Signal Transmission: Cable
- Certification: CE, ISO, RoHS
- Color: White
- Certificate: Ce Approval
- Output: Nc or No Optional
High-Performance 180 Degree Wired Infrared Sensor Indoor Outdoor 20m
US$ 22-35 / Pair
Min. Order:1 Pair
- Signal Transmission: Infrared Photocells
- System: Passage System
- Type: Anti-Theft Alarm
- Application: Home, Communication Electronic Products, Industry, Special Equipment, Traffic, Car/Motorcycle
- Usage: Door, Window, Auto
- Certification: CE, FCC
Radar Sensors for Controlling Industrial Doors & Microwave Radar Detector & Vehicle Motion Detector
US$ 55-70 / Piece
Min. Order:1 Piece
- Function Type: 24.125GHz Microwave
- Detection Type: Pedestrians and Moving Cars
- Output Signal Type: No/Nc
- Production Process: Integration
- Material: Organic Materials
- IP Rating: IP65
Edge Light Curtain Thru-Beam Photo Eyes Attached Near The Door Track or Door Guides
US$ 100-110 / Pair
Min. Order:1 Pair
- 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
IP66 Automatic Gate Wireless Battery Infrared Safety Beam Photocell Sensor
US$ 27-42 / Piece
Min. Order:1 Piece
- 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
Recessed Magnetic Window or Door Contact Electric Sensor
US$ 0.85 / Piece
Min. Order:1000 Pieces
- Signal Transmission: Wired
- System: Intelligent System
- Type: No Nc
- Application: Home
- Usage: Door, Window
- Certification: CE, En
Infrared Photocell Sensors with 20m Distance for Sliding Gate
US$ 9-16 / Piece
Min. Order:1 Piece
- Function Type: Infrared Range and Communication System
- Detection Type: Infrared Beam Sensor
- Output Signal Type: No/Nc
- Production Process: Injection
- Material: ABS
- IP Rating: IP65
Normally Open Magnetic Door Contact Alarm Security Reed Switch
Min. Order:100 Pieces
- Signal Transmission: Wired
- System: Intelligent System
- Type: No Nc
- Application: Home
- Usage: Door, Window
- Certification: CE, En
Sliding Gate Operator Infrared Safety Sensor Waterproof IR Photocell Beam
US$ 27-42 / Piece
Min. Order:1 Piece
- 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
Anti-UV Material Active Infrared Detectors for Rolling Shutter
US$ 9-16 / Piece
Min. Order:1 Piece
- Function Type: Infrared Range and Communication System
- Detection Type: Infrared Beam Sensor
- Output Signal Type: No/Nc
- Production Process: Injection
- Material: ABS
- IP Rating: IP65
Easy for Installation Rotational Infrared Sensor 30 Detection Distance
US$ 27-42 / Piece
Min. Order:1 Piece
- Signal Transmission: Infrared Photocells
- System: Passage System
- Type: Anti-Theft Alarm
- Application: Home, Communication Electronic Products
- Usage: Door
- Rotation Angle: 180 Degree
Surface Mounting Magnetic Contact Reed Switch
US$ 0.78-1 / Piece
Min. Order:1 Piece
- Signal Transmission: Cable
- System: Sound and Magnetic System
- Type: Anti-Theft Alarm
- Application: Home, Communication Electronic Products, Industry
- Usage: Door, Fire, Window
- Certification: CE, ISO, RoHS
Gate Photocell Infrared Photocell Sensor for Automatic Gate Opening with 180 External Rotation System
US$ 27-42 / Piece
Min. Order:1 Piece
- 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
Russian Language GSM Security Home Alarm with LCD and Keypad
US$ 30-50 / Set
Min. Order:1 Set
- Type: Anti-Theft Alarm
- Signal Transmission: Wireless Alarm
- Working Mode: Passive
- Certification: CE, ISO, RoHS, CCC
- Application: Indoor
- Working Principle: Electro-Acoustic Style
Recessed Electromagnetic Contacts
Min. Order:100 Pieces
- Signal Transmission: Wired
- System: Intelligent System
- Type: No Nc
- Application: Home
- Usage: Door, Window
- Certification: CE, En
Wired Electric Rolling up Magnetic Shutter Door Contact Switch for Open Contact Sensor Alarm
US$ 3.49-4.01 / Piece
Min. Order:500 Pieces
- Signal Transmission: Cable
- System: Intelligent System
- Type: Anti-Theft Alarm
- Application: Home, Communication Electronic Products, Industry
- Usage: Door, Fire, Window
- Certification: CE, ISO, RoHS
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
- 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
Anti-Theft Beam Sensors for Door Automation or Windows Security System
US$ 100-110 / Pair
Min. Order:1 Pair
- 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
LCD Display Co Alarm with Ce Certificate (ES-6906C)
US$ 5-6 / Piece
Min. Order:10 Pieces
- Type: Carbon Monoxide Alarm
- Conductivity Type: Non-conductivity Type
- Output Signal Type: Analog Type
- Production Process: SemiConductor Integrated
- Material: Plastic
- IP Rating: IP68
Best Quality Shutter Door Burglar Alarm Wire Magnetic Door Sensor
US$ 3.49-4.01 / Piece
Min. Order:100 Pieces
- Type: Anti-Theft Alarm
- Signal Transmission: Cable
- Certification: CE, ISO, RoHS
- Color: White
- Certificate: Ce Approval
- Output: Nc or No Optional
Sumring China Manufacturer Metal Door Sensor Alarm Magnetic Contacts Switch
US$ 3.67-5.14 / Piece
Min. Order:500 Pieces
- Signal Transmission: Cable
- System: Access Control System
- Type: Anti-Theft Alarm
- Application: Home, Communication Electronic Products, Industry, Special Equipment
- Usage: Door, Fire, Window, Auto
- Certification: CE, ISO, RoHS
Surface Mount Magnetic Contact Reed Door Switches BS-2012
US$ 0.7-1.5 / Piece
Min. Order:100 Pieces
- Signal Transmission: Wired
- System: Intelligent System
- Type: No Nc
- Application: Home
- Usage: Door, Window
- Certification: CE
220V/110V Gas + Co Alarm with CE
US$ 5-6 / Piece
Min. Order:10 Pieces
- Type: Carbon Monoxide Alarm
- Conductivity Type: Non-conductivity Type
- Output Signal Type: Analog Type
- Production Process: SemiConductor Integrated
- Material: Plastic
- IP Rating: IP68
Wired Rolling Door Magnetic Door Proximity Switch for Shutter Rolling Door with Ce
US$ 3.49-4.01 / Piece
Min. Order:500 Pieces
- Signal Transmission: Cable
- System: Intelligent System
- Type: Anti-Theft Alarm
- Application: Home, Communication Electronic Products, Industry
- Usage: Door, Fire, Window
- Certification: CE, ISO, RoHS
Buried or Surface Type Rolling Door/Window Magnetic Contact Sensor Switch
US$ 3.49-4.01 / Piece
Min. Order:500 Pieces
- Signal Transmission: Cable
- System: Intelligent System
- Type: Anti-Theft Alarm
- Application: Home, Communication Electronic Products, Industry
- Usage: Door, Fire, Window
- Certification: CE, ISO, RoHS
Magnetic Proximity Door Alarm/Window Alarm Contact
US$ 0.63-0.85 / Piece
Min. Order:1000 Pieces
- Application: Home, Industry
- Usage: Door, Window
- Certification: CE, ISO, RoHS, UL
- Material: ABS Plastic
- Color: White, Brown, Grey
- Loop Type: Closed
Gas Detector Wired Gas Leakage Detector Wireless Gas Alarm (ES-6003GD)
US$ 4.9-7 / Piece
Min. Order:1 Piece
- Type: Carbon Monoxide Alarm
- Conductivity Type: Non-conductivity Type
- Output Signal Type: Analog Type
- Production Process: SemiConductor Integrated
- Material: Plastic
- IP Rating: IP68
Door and Window Alarms, Magnetic Contact Switch BS-2011e
US$ 0.52-1.2 / Piece
Min. Order:100 Pieces
- Signal Transmission: Wired
- System: Intelligent System
- Type: No Nc
- Application: Home
- Usage: Door, Window
- Certification: CE
