SENTROL, Reed switch, Magnetic Curtain door contact for overhead doors, 3" gap, Closed loop, Includes 18" stainless steel armoured cable,

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Sale price$81.40 AUD Regular price$95.00 AUD


SENTROL Magnetic Curtain contact is ideal for overhead doors, providing a reliable security solution for a 3" gap with an enclosed loop. It also comes with a 18" stainless steel armoured cable for added durability.

The 2302 magnetic contacts are designed specifically for curtainstyle overhead doors. The unique design allows the contact to be mounted directly to the channel of the door, with the magnet mounted horizontally in the door slats off the floor and out of harm’s way. This eliminates service calls and false alarm situations that occur when typical floor mount contacts become damaged or as the door becomes misaligned with normal use. The interlocking mounting bracket adjusts to fit any size channel width.


Voltage: 2302: 100 VAC/VDC max. 2304: 30 VAC/VDC max.

Current: 2302: 0.5 A max. 2304: 0.25 A max.

Power: 2302: 7.5 W max. 2304: 3.0 W max.

Loop type: 2302: Closed 2304: Open or Closed

Electrical configuration: 2302: Normally open 2304: SPDT

Gap distance: Up to 3 in.

Lead type: 2 ft. stainless steel armored cable

Dimensions: 3.6 x 3.0 x 0.65 in. (92 x 76 x 16 mm)

Housing: Die-cast aluminum

Color: Aluminum


• Designed specifically for curtain-style overhead doors

• Interlocking mounting bracket

• Magnet mounts in door channel

• Fits most door types

• Reduced installation time and fewer service calls

• Mounting hardware included

Data sheet

Reed Switches: Elevating Security Solutions

Reed switches are a fundamental component in modern security systems, offering versatile and reliable solutions for a wide range of applications. At CCTV Importers, we prioritize the integration of high-quality components into your security setup, and our selection of premium reed switches is no exception. Let's delve deeper into the features and benefits of reed switches to understand their importance in safeguarding your property.

Key Features and Benefits:

Reliability and Durability:

  • Reed switches are renowned for their robust construction and long-term reliability, ensuring consistent performance even in demanding environments.
  • With minimal moving parts and no mechanical contacts, reed switches are less prone to wear and tear, contributing to their extended operational life.

Versatility in Applications:

  • Reed switches find applications in various security devices, including door and window sensors, motion detectors, alarm systems, and more.
  • Their versatility allows for integration into a wide range of security solutions, offering flexibility in system design and deployment.

Fast Response Time:

  • With rapid response times, reed switches detect changes in magnetic fields swiftly, triggering alarms or activating/deactivating security devices promptly.
  • This quick response enhances the effectiveness of security systems, ensuring timely detection and response to potential threats.

Low Power Consumption:

  • Reed switches boast low power requirements, making them energy-efficient components suitable for battery-powered security systems.
  • Their minimal power consumption helps prolong battery life, reducing the need for frequent replacements and ensuring continuous protection.

Ease of Installation and Maintenance:

  • Reed switches are typically easy to install and require minimal maintenance, simplifying the setup process and reducing installation time and costs.
  • Their user-friendly design and hassle-free operation make them an attractive choice for security professionals and homeowners alike.

Applications and Use Cases:

  • Intrusion Detection: Reed switches serve as integral components in door and window sensors, detecting unauthorized entry attempts and triggering alarms to alert occupants or security personnel.
  • Perimeter Security: Integrated into fencing or gate systems, reed switches provide reliable detection of perimeter breaches, enhancing overall security and deterring intruders.
  • Asset Protection: Utilized in asset tracking systems, reed switches monitor the movement of valuable assets, such as equipment or vehicles, safeguarding against theft or unauthorized removal.
  • Environmental Monitoring: Reed switches can be employed in environmental monitoring systems to detect changes in magnetic fields caused by seismic activity, ensuring early warning and mitigation of potential hazards.

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