Nc Door Alarm

2,656 Nc Door Alarm

results from

68 suppliers

Price: -
Min. Order under: Unit(s)
Supplier type:

Window or Door Magnetic Recessed Reed Switch Alarm Contacts for Burglar Alarm (BR-1015)

Min. Order:500 Pieces

Click here to send inquiry

  • Type: Home Alarm
  • Application: Home
  • Usage: Door, Personal, Window
  • Certification: CE, RoHS, UL
  • Place of Origin: Zhejiang, China (Mainland)
  • Material: ABS Plastic

Ultroviolet Flame Detector with Relay Output for Fire Alarm System

US$ 74-93 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • 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

Magnetic Door Sensor Surface Mount Contact Magnetic Contact Switch

US$ 0.23-0.25 / Piece

Min. Order:100 Pieces

Click here to send inquiry

  • Type: Floating Ball
  • Contact: Contactless
  • Output Signal Type: Switching Type
  • Production Process: Normal Wirewound
  • Feature: Conductor
  • Material: Stainless Steel

Emergency Break Glass Connector Without Cover (SAGreen)

US$ 1.4-1.8 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Protection: Durable, Explosion-Proof, Waterproof, Dust-Proof, Insulation
  • Feature: Flat
  • Wiring: Single Live Line
  • Principle: Resistive
  • Application: Industrial, Hotel, Commercial, Home
  • Type: Composite

Gate Automation Safety Edge Infrared Grating

US$ 100-110 / Pair

Min. Order:1 Pair

Click here to send inquiry

  • 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

220V 4 Wire Smoke Detector with Relay Output No/Nc Option

US$ 10.12-10.85 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • 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

NPN Light Curtain with Door Blanking Function for Garage Doors

US$ 95-150 / Set

Min. Order:1 Set

Click here to send inquiry

  • Type: Opposed Type Infrared Sensor
  • Output Signal Type: Switching Type
  • Production Process: Integration
  • Material: PC
  • Feature: Door Blanking Function
  • IP Rating: IP67

Photoelectric Wireless Smoke Detector for Fire Alarm Es-5001OSD

US$ 3-4 / Piece

Min. Order:10 Pieces

Click here to send inquiry

  • Type: Smoke Alarm
  • Signal Transmission: Wired Alarm
  • Working Mode: Passive
  • Application: Indoor
  • Working Principle: Electro-Optical Type
  • Transmission Mode: Wireless

Wolf Guard Wireless Tuya WiFi GSM Smart Burglar Security Alarm Kit

US$ 38.5-46.5 / Set

Min. Order:100 Sets

Click here to send inquiry

  • Type: Security Alarm Host
  • Function: Networked
  • Usage: Door
  • Certification: CE, RoHS
  • Alarm Volume (within 1m): ≥110dB
  • Networking Mode: GSM Dial-up

2019 Wired Sliding No or Nc Magnetic Door Sensor Contact

US$ 1.7-2.9 / Piece

Min. Order:500 Pieces

Click here to send inquiry

  • Signal Transmission: Wired
  • System: Sound and Magnetic System
  • Type: Anti-Theft Alarm
  • Application: Home, Communication Electronic Products, Industry, Special Equipment
  • Usage: Door, Window
  • Certification: CE, ISO, RoHS

24VDC Manual-Call-Point Fire Alarm System

US$ 3.5-6.5 / Piece

Min. Order:1 Piece

Click here to send inquiry

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

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

US$ 9.5-10.7 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • 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

Magnetic Contact Magnetic Door Contact Switch Normally Open Magnetic Contact

US$ 0.23-0.25 / Piece

Min. Order:100 Pieces

Click here to send inquiry

  • Type: Floating Ball
  • Contact: Contactless
  • Output Signal Type: Switching Type
  • Production Process: Normal Wirewound
  • Feature: Conductor
  • Material: Stainless Steel

DC12/24V 4 Wire Photoelectronic Heat Detector with Relay Output for Alarm &Security System

US$ 9.5-10.7 / Piece

Min. Order:1 Piece

Click here to send inquiry

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

12/24V 4 Wire Optical Fire Sensor for Alarm&Security Systems

US$ 9.5-10.7 / Piece

Min. Order:1 Piece

Click here to send inquiry

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

12/24V 4 Wire Optical Fire Security Heat Sensor Heat Detector for Fire Alarm Systems

US$ 9.5-10.7 / Piece

Min. Order:1 Piece

Click here to send inquiry

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

PC (UV) Housing Material Active Infrared Beams for Automatic Gates

US$ 25-40 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Function Type: Mixing System, Infrared Range and Communication System, Search and Tracking System
  • Detection Type: Infrared Beam Sensor
  • Output Signal Type: No/Nc
  • Production Process: Integration
  • Material: ABS
  • IP Rating: IP65

24V UV Indoor Flame Detector 2/4 Wire Fire Alarm Smoke Detector Nc No Optional

US$ 74-93 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • 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

2 Poles Resettable Emergency Door Release Exit Button (SACP22R)

US$ 3.8-5 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Protection: Durable, Explosion-Proof, Waterproof, Dust-Proof, Insulation
  • Feature: Flat
  • Wiring: Single Live Line
  • Principle: Resistive
  • Application: Industrial, Hotel, Commercial, Home
  • Type: Composite

Wireless GSM Security Alarm System with RFID Tags (WM2T)

US$ 45-53 / Set

Min. Order:10 Sets

Click here to send inquiry

  • Type: Anti-Theft Alarm
  • Signal Transmission: Wireless Alarm
  • Working Mode: Passive
  • Certification: CE, ISO, FCC, RoHS
  • Application: Indoor, Outdoor
  • Working Principle: Electromagnetic

Wired Metal Door/Window Magnetic Contact (TA-56)

US$ 3.13-3.5 / Pair

Min. Order:100 Pairs

Click here to send inquiry

  • System: Intelligent System
  • Type: Anti-Theft Alarm
  • Application: Home
  • Usage: Door, Window
  • Certification: CE
  • Shipment: DHL,UPS, FedEx..

IP67 Multi-Beam Infrared Through Beam Light Curtain Sensor with CE

US$ 95-150 / Set

Min. Order:1 Set

Click here to send inquiry

  • Type: Opposed Type Infrared Sensor
  • Output Signal Type: Switching Type
  • Production Process: Integration
  • Material: PC
  • Feature: Door Blanking Function
  • IP Rating: IP67

Roller Shutter Sensor with The Wooden Door Magnetic Contact

US$ 0.23-0.25 / Piece

Min. Order:100 Pieces

Click here to send inquiry

  • Type: Floating Ball
  • Contact: Contactless
  • Output Signal Type: Switching Type
  • Production Process: Normal Wirewound
  • Feature: Conductor
  • Material: Stainless Steel

Wireless landline Intruder Alarm System

US$ 45-53 / Set

Min. Order:10 Sets

Click here to send inquiry

  • Type: Anti-Theft Alarm
  • Signal Transmission: Wireless Alarm
  • Working Mode: Active
  • Certification: CE, ISO, RoHS, CCC
  • Application: Indoor
  • Working Principle: Electromagnetic

Wireless GSM Home Alarm Security System

US$ 45-53 / Set

Min. Order:10 Sets

Click here to send inquiry

  • Type: Anti-Theft Alarm
  • Signal Transmission: Wireless Alarm
  • Working Mode: Passive
  • Certification: CE, ISO, FCC, RoHS
  • Application: Indoor, Outdoor
  • Working Principle: Electromagnetic

24V UV Ultroviolet Detector Smoke Alarm Fire Alarm Security System

US$ 65-82 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • 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

Conventional Surface Mount Manual Call Point

US$ 4.25 / Piece

Min. Order:1000 Pieces

Click here to send inquiry

  • Principle: Photoelectric
  • Wires: Two-Wires
  • Certification: ISO, RoHS, CE
  • Color: Red
  • Product Name: Conventional Surface Mount Manual Call Point
  • Material: ABS

Wired Door/Window Magnetic Contact (TA-32)

US$ 0.85 / Pair

Min. Order:100 Pairs

Click here to send inquiry

  • Signal Transmission: Cable
  • Type: Anti-Theft Alarm
  • Application: Home
  • Usage: Door, Window
  • Certification: CE
  • Color: White

Leakage Alarm Gas Detector with Rechargeable Li Battery

US$ 20-25 / Piece

Min. Order:10 Pieces

Click here to send inquiry

  • Type: Sensor
  • Signal Transmission: Wireless & Wired Optional
  • Working Mode: Active
  • Certification: CE, ISO, RoHS
  • Application: Car/Motorcycle, Home, Traffic, Industry
  • Working Principle: Electro-Acoustic Style

Industrial or Commercial Door Magnetic Sensor with No/Nc/COM Output

US$ 2.5-3.3 / Piece

Min. Order:500 Pieces

Click here to send inquiry

  • Signal Transmission: Wired
  • System: Sound and Magnetic System
  • Type: Anti-Theft Alarm
  • Application: Home, Communication Electronic Products, Industry, Special Equipment
  • Usage: Door, Window
  • Certification: CE, ISO, RoHS

Fire Detector UV Indoor Flame Detector with Relay Output

US$ 65-82 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • 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

Conventional Break Glass Manual Call Point

US$ 4.25 / Piece

Min. Order:1000 Pieces

Click here to send inquiry

  • Principle: Photoelectric
  • Wires: Two-Wires
  • Certification: ISO, RoHS, CE
  • Color: Red
  • Product Name: Conventional Break Glass Manual Call Point
  • Material: ABS

Internal Antenna GSM Alarm System with Touch Keypad (ES-K9)

US$ 35-60 / Set

Min. Order:1 Set

Click here to send inquiry

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

OEM and ODM Service Offered Active Infrared Detectors for Barrier Gate

US$ 25-40 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • Function Type: Mixing System, Infrared Range and Communication System, Search and Tracking System
  • Detection Type: Infrared Beam Sensor
  • Output Signal Type: No/Nc
  • Production Process: Integration
  • Material: ABS
  • IP Rating: IP65

No/Nc/COM Wired Shutter /Rolling Door Sensor with L Type Bracket Installation

US$ 2.49-3.89 / Piece

Min. Order:100 Pieces

Click here to send inquiry

  • Signal Transmission: Wired
  • System: Sound and Magnetic System
  • Type: Anti-Theft Alarm
  • Application: Home, Communication Electronic Products, Industry, Special Equipment
  • Usage: Door, Window
  • Certification: CE, ISO, RoHS, CCC

12/24V 4 Wire Smoke Detector with Relay Output No/Nc Option

US$ 9.5-10.7 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • 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

Tane66wg Track Mounted Metal Door Contact Burglar Alarm

US$ 5.5-11 / Piece

Min. Order:500 Pieces

Click here to send inquiry

  • Color: Silver Grey
  • Packing: 50PCS/Carton
  • Standard: Metal Case
  • Port: Ningbo
  • Production Capacity: 1000000PCS/Month
  • Trademark: SENTEK

High Quality Indoor Usage Co Detector with CE Certificate (ES-5012C)

US$ 6-9 / Piece

Min. Order:1 Piece

Click here to send inquiry

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

No/Nc Option Relay Output UV Flame Detector Smoke Alarm Fire Detector

US$ 65-82 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • 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

Fire Safety Conventional Smoke Alarm 220V 4 Wire Smoke Detector

US$ 10.12-10.85 / Piece

Min. Order:1 Piece

Click here to send inquiry

  • 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