ARD-3009 Flush Mounted Mini Magnetic Contact Switch Alarm Contacts

Magnetic contact refers to a type of sensor or switch that operates using the principles of magnetism. These devices are commonly used in security systems, door and window alarms, and various automation applications.

Advantages

    • Reliability: Few moving parts mean they are less prone to mechanical failure.
    • Low Power Consumption: Ideal for battery-operated devices.
    • Ease of Installation: Typically straightforward to install and maintain.
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Flush Mounted Mini Magnetic Contact Switch Alarm Contacts

Production Description

Operating Principle

    •  
    • Components: Typically consists of two main parts: a magnet and a magnetic sensor (reed switch).
    • Operation:
      • When the magnet is close to the sensor, the magnetic field causes the reed switch to close, completing an electrical circuit.
      • When the magnet moves away, the switch opens, breaking the circuit.

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Components

Reed Switch: The main component consisting of two ferromagnetic blades (reeds) hermetically sealed in a glass envelope.

Magnet: The external component that actuates the switch.

Types

Normally Open (NO): The switch remains open until a magnetic field is applied.

Normally Closed (NC): The switch remains closed until a magnetic field is applied.

Changeover: A three-terminal device where one terminal is common, and the other two terminals switch between normally closed and normally open states.

Product Specifications Configuration

 
Model NO.
ARD-3009
 
Switching Voltage
100 VDC Max.
Pull-in value
7-10AT
Switching Current
0.5A Max.
Switching Type
NO (normally open)
Contact Rating
10W Max.
Material
Stainless Steel
Working life
≥100000 times
Connection
2-wires
Working temperature
-20~80℃
Color
black
Installation
Flush mounted
Standard wires length
300±20mm
 
 
Longer wires length
can be customized
 
 
 

Product Technical Drawing ARD-3009 Technical Drawing

Key Features:

  1. Magnetic Actuation:

    • Actuated by a magnet, making it contactless and reliable in environments where mechanical switches might fail due to dust, moisture, or other contaminants.
  2. Applications:

    • Security Systems:
      • Door/Window Alarms: Installed on doors or windows to detect when they are opened or closed.
      • Intrusion Detection: Used in burglar alarms to trigger alerts if unauthorized entry is detected.
    • Industrial Automation:
      • Position Sensing: Used to monitor the position of machinery or equipment.
      • Safety Systems: Ensure that safety guards or doors are properly closed before operation.
    • Consumer Electronics:
      • Laptops/Tablets: Used to detect when the lid is closed to put the device into sleep mode.

Window and Door Contact Application

FAQ of Magnetic Reed Sensor Manufacturer

While reed sensors are designed to respond to magnetic fields, strong external fields can potentially interfere with their operation. Proper shielding and positioning can mitigate this issue.

Reed sensors primarily detect magnetic fields through metal. Non-metallic materials may not trigger the sensor unless they have embedded magnetic elements.

Reed sensors are generally sealed units, and user servicing is limited. If there's a malfunction, it's recommended to replace the sensor rather than attempting repairs.

While reed sensors offer reliability, they might not provide the precision required for extremely accurate measurements. Consider the sensor's specifications and intended use before implementation.

Why Choose Us as Your Reed Sensor Manufacturer

Quality Control & Good Manufacturing

Based on ISO 9001 and IATF 16949 quality management system, we conduct raw material inspection,semi-finished products and 100% full inspection for the all finished products to make sure the final products are in good manufacturing process.

Competitive Design & R&D Ability

We have more than 15 experienced engineers to provide our R&D ability. According to customers’ requirements, we will provide our current products in the developed mould or we will give our design solutions based on R&D ability to fulfill customers’ need.

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Satisfactory Service & Fast Delivery

We provide professional pre-service to after-service for all our customers. Customer’ satisfactory is first choice for us. Our customers will receive the cargo in the shortest time once they order from our company. We value customers’ satisfactory and fast delivery for every customer.

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