26%
dh-55 metal door contact, nc magnetic contact metal, no nc 3 wire door sensor, wired shutter door contact, access control magnetic contact, industrial metal contact sensor, wired alarm door sensor metal
dh-55 metal door contact, nc magnetic contact metal, no nc 3 wire door sensor, wired shutter door contact, access control magnetic contact, industrial metal contact sensor, wired alarm door sensor metal
DH-55 Metal Door Contact – NC & NO/NC 3-Wire Magnetic Sensor

DH-55 Metal Door Contact – NC & NO/NC 3-Wire Magnetic Sensor

SKU: dh-55

  • Key Features

    • Two Variants Available:
      – NC magnetic reed switch
      – NO/NC 3-wire universal contact

    • Heavy-Duty Metal Housing: Designed for industrial and commercial security applications.

    • Strong Magnetic Trigger Distance: Reliable detection even on large or heavy doors.

    • Secure Wired Communication: Ensures stable alarm signal with zero wireless interference.

    • Mounts to Metal Surfaces: Ideal for metal doors, shutters, gates, and industrial access points.

    • Works With Alarm & Access Systems: Compatible with panels, maglocks, relays, and controllers.

In Stock
₨1,499.00 – ₨2,299.00Price range: ₨1,499.00 through ₨2,299.00
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Description

  • The DH-55 Metal Door Contact is a durable wired magnetic sensor designed for demanding security applications. It features a reinforced metal housing that withstands impact and stress, making it suitable for commercial entrances, warehouse doors, rolling shutters, gates, and industrial areas where plastic contacts fail.

    Two wiring variations are available:

    • NC Contact – Circuit remains closed when door is shut and opens when door opens.

    • NO/NC 3-Wire Contact – Provides universal configuration to support both wiring needs using a single sensor.

    The strong magnetic trigger ensures stable detection even with vibration or heavy metal doors. It integrates easily with alarm panels, access control systems, CCTV alarm inputs, and smart relay modules.

    Designed for high-security environments, the DH-55 offers long-term reliability and dependable intrusion detection performance.

Technical Specifications

  • Model: DH-55

  • Contact Variants:
    – NC magnetic contact
    – NO/NC 3-wire universal magnetic contact

  • Housing Material: Metal alloy body

  • Wiring: Hard-wired terminal contact

  • Mounting: Surface mount for metal doors & frames

  • Applications: Industrial doors, shutters, gates, entry doors

  • Compatible Systems: Alarm panels, access controllers, relays, automation

FAQs

Q: What is the main difference between NC and NO/NC 3-wire version?
A: NC supports Normally Closed only. The 3-wire model supports both NO and NC wiring for flexible installation.

Q: Can DH-55 be mounted on metal doors?
A: Yes, the metal housing and strong magnet are designed for metal door installations.

Q: Can it be connected to an alarm panel?
A: Yes, DH-55 works with most wired security alarm systems.

Q: Is this suitable for shutters and industrial gates?
A: Yes, DH-55 is ideal for heavy entry points and industrial sites.

Applications / Use Cases

  • Industrial shutter doors

  • Metal gates and warehouse doors

  • High-security entry monitoring

  • Access control systems

  • CCTV alarm integration

  • Smart relay automation systems

Additional information

Choose

NC, 3 WIRE (NO/NC), With L bracket

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dh-55 metal door contact, nc magnetic contact metal, no nc 3 wire door sensor, wired shutter door contact, access control magnetic contact, industrial metal contact sensor, wired alarm door sensor metal
DH-55 Metal Door Contact – NC & NO/NC 3-Wire Magnetic Sensor Price range: ₨1,499.00 through ₨2,299.00
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