Micro Limit Switch
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Micro Limit Switch

$24.30

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Micro Limit Switch

A micro limit switch, often simply called a micro switch, is a type of electrical switch that’s characterized by its small size and the precise, rapid action it takes when a minimal amount of force is applied to its actuator. It’s designed to detect the presence or position of an object or the end of a mechanical movement.

These switches are known for their:

  • High sensitivity: They require very little force to activate.
  • Rapid response: The internal contacts “snap” open or closed very quickly, regardless of how slowly the actuator is pressed. This snap-action mechanism helps to reduce arcing and extends the switch’s lifespan.
  • Reliability: They are built to withstand millions of operations, making them durable for long-term use.
  • Compact size: Their small footprint allows them to be used in applications where space is limited.

How it Works

A micro switch typically consists of:

  • Actuator: This is the external part that an object or mechanical component presses against. It can be a button, a lever (with or without a roller), a plunger, or other forms.
  • Internal spring mechanism: This provides the “snap-action.” When the actuator is pressed to a certain point (the “trip point”), the spring mechanism rapidly moves the contacts.
  • Contacts: These are the electrical components that open or close the circuit. Micro switches usually have three terminals:
    • Common (C): The input terminal.
    • Normally Open (NO): This contact is open (no current flows) when the switch is unactivated and closes when the switch is actuated.
    • Normally Closed (NC): This contact is closed (current flows) when the switch is unactivated and opens when the switch is actuated

When the actuator is pressed, it reaches a specific “operating point” where the contacts change their state (either from NO to closed, or NC to open). When the pressure is removed, the actuator returns to its original position, and the contacts revert to their normal state.

 

Applications

Micro limit switches are incredibly versatile and found in a vast array of devices and systems due to their precision and reliability. Some common applications include:

  • Household Appliances:
    • Microwave ovens: To detect if the door is closed before operating.
    • Washing machines: For door interlocks and water level detection.
    • Refrigerators: To turn the light on/off when the door opens/closes.
    • Printers: To detect paper jams or the position of paper.
  • Automotive Industry:
    • Car doors: To detect if a door is open or closed (e.g., for interior lights or security systems).
    • Brake pedals: To activate brake lights.
    • Seat belt mechanisms: To detect if a seat belt is fastened.
  • Industrial Automation:
    • Conveyor systems: To detect the presence of items or the end of travel for a belt.
    • Robotic arms: For precise positioning and limit detection of movement.
    • Machine safety guards: To ensure guards are correctly positioned before machinery operates.
    • Elevators and hoists: To prevent over-travel and ensure proper door operation.
  • Consumer Electronics:
    • Computer mice and keyboards: For button clicks.
    • Vending machines: For coin detection or jam detection.
  • Medical Equipment:
    • In various diagnostic tools and surgical instruments for precise control.

Types of Micro Limit Switches

Micro limit switches come in various configurations, primarily differing by their actuator type, which dictates how they interact with the mechanical force. Common actuator types include:

  • Pin Plunger: A simple button-like plunger that is directly pressed.
  • Roller Lever: Features a lever with a roller at the end, ideal for applications with sliding or rotating components.
  • Hinge Lever: A simple lever arm that pivots to actuate the switch.
  • Flexible Roller: Similar to a roller lever, but with a more flexible arm to accommodate irregular surfaces or wider ranges of motion.
  • Spring Plunger: A plunger supported by a spring, allowing for a certain degree of “overtravel” beyond the actuation point without damaging the switch.

Other variations include sealed micro switches for harsh environments (resistant to dust and moisture) and subminiature types for extremely compact applications.

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Description

Micro Limit Switch

*NC/NO

*2 Amp

A micro limit switch, also known as a micro switch, is a small, electromechanical switch that detects the presence or absence of an object and triggers a change in an electrical circuit.

It’s a snap-action switch, meaning the contacts inside change state quickly when a small force is applied. They are widely used in various applications, including appliances, industrial machinery, and automotive systems. 

Micro Switch : Construction, Circuit, Working, Types & Its ...

Here’s a more detailed explanation:

Key Features:
  • Small Size:

    Micro limit switches are compact, allowing them to be used in tight spaces. 

  • Snap-Action:

    They have a mechanism that provides a quick and decisive change in the electrical circuit when actuated, ensuring reliable switching. 

  • Sensitivity:

    They require a small amount of force to activate, making them suitable for applications where a gentle touch or movement is involved. 

  • Multi-Terminal:

    They typically have three terminals: a common (C), a normally open (NO), and a normally closed (NC) terminal, allowing for various circuit configurations. 

  • Actuation:

    They can be actuated by a variety of methods, including plungers, levers, and rollers. 

     

How it Works:
  1.  Actuation:

    An object or machine part makes contact with the switch’s actuator (e.g., a plunger, lever, or roller). 

  2.  Contact Change:

    This action moves the internal contacts within the switch, changing the state of the circuit. 

  3.  Circuit Control:

    The change in the electrical circuit can then be used to control other devices, such as motors, lights, or relays. 

Common Applications:
  • Industrial Automation: Controlling machinery, finding home positions, and limiting travel. 
  • Home Appliances: In washing machines, microwaves, and other appliances, for door open/close detection, or to control power to various components. 
  • Automotive Systems: In gear shifters, door locks, and other systems to detect position or movement. 
  • Robotics: Used as actuators to provide motion or detect contact with objects. 
  • Consumer Electronics: In devices like game controllers, computer mice, and other products with buttons or triggers. 
In essence, micro limit switches are versatile, reliable, and compact devices that play a crucial role in controlling and automating various systems by detecting the presence, absence, or position of objects and triggering corresponding actions in electrical circuits. 
Additional information
Weight 0.02 kg
Dimensions 4 × 5 × 2 cm
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A sliding gate operator limit sensor with a spring mechanism (also known as a mechanical limit switch or spring limit switch) is a common type of sensor used in automatic sliding gate systems to define the gate's fully open and fully closed positions. Here's how it works and what its characteristics are: Purpose of a Limit Sensor: For any automatic gate operator, the system needs to know exactly when the gate has reached its desired open and closed positions. This is crucial for:
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    • A spring-loaded lever, arm, or plunger connected to the microswitch.
    • A mounting bracket to attach it to the gate operator or gate frame.
  2. Mounting: The spring limit switch is usually positioned on the gate operator itself, or on a bracket near the motor.
  3. Interaction with the Gate:
    • On the sliding gate itself, usually along the gear rack or a specific part of the gate frame, two small "stop" tabs or flags are installed – one for the open limit and one for the close limit.
    • As the gate moves towards its fully open or fully closed position, one of these tabs/flags will physically contact and push against the spring-loaded lever/plunger of the limit switch.
    • This physical contact compresses the spring and activates the microswitch.
  4. Signal to Control Board: When the microswitch is activated, it sends an electrical signal to the gate operator's main control board.
  5. Motor Stop: Upon receiving this signal, the control board immediately cuts power to the motor, stopping the gate precisely at that determined limit.
Key Characteristics and Considerations:
  • Physical Contact: The defining feature is that it relies on direct physical contact and force to activate the switch.
  • Reliability: Generally reliable as they are a simple mechanical system.
  • Durability: Made to withstand repeated physical contact. However, over time, the spring can wear out, lose tension, or the switch itself can be damaged by repeated impacts or debris.
  • Adjustability: The position of the "stop" tabs on the gate can be adjusted to fine-tune the exact open and closed positions of the gate.
  • Maintenance: May require periodic checks to ensure the spring is intact, the switch is clean, and the "stop" tabs are securely in place and correctly positioned. They can be susceptible to damage from impacts (e.g., if a child's toy or a pet gets in the way of the stop tab).
  • Compared to Magnetic Limit Switches:
    • Magnetic Limit Switches: These are more common in newer and higher-end gate operators (like many BFT Deimos "Ultra" models). They use magnets attached to the gate and magnetic sensors (reed switches or Hall effect sensors) on the operator. They offer a "contactless" operation, which generally leads to less wear and tear, greater precision, and less susceptibility to environmental debris or physical impact damage.
    • Spring/Mechanical Limit Switches: Are typically more cost-effective and simpler in design. They are still widely used, especially in more budget-friendly or older gate operator models.
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A sliding gate operator limit sensor with a spring mechanism (also known as a mechanical limit switch or spring limit switch) is a common type of sensor used in automatic sliding gate systems to define the gate's fully open and fully closed positions. Here's how it works and what its characteristics are: Purpose of a Limit Sensor: For any automatic gate operator, the system needs to know exactly when the gate has reached its desired open and closed positions. This is crucial for:
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  2. Mounting: The spring limit switch is usually positioned on the gate operator itself, or on a bracket near the motor.
  3. Interaction with the Gate:
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    • As the gate moves towards its fully open or fully closed position, one of these tabs/flags will physically contact and push against the spring-loaded lever/plunger of the limit switch.
    • This physical contact compresses the spring and activates the microswitch.
  4. Signal to Control Board: When the microswitch is activated, it sends an electrical signal to the gate operator's main control board.
  5. Motor Stop: Upon receiving this signal, the control board immediately cuts power to the motor, stopping the gate precisely at that determined limit.
Key Characteristics and Considerations:
  • Physical Contact: The defining feature is that it relies on direct physical contact and force to activate the switch.
  • Reliability: Generally reliable as they are a simple mechanical system.
  • Durability: Made to withstand repeated physical contact. However, over time, the spring can wear out, lose tension, or the switch itself can be damaged by repeated impacts or debris.
  • Adjustability: The position of the "stop" tabs on the gate can be adjusted to fine-tune the exact open and closed positions of the gate.
  • Maintenance: May require periodic checks to ensure the spring is intact, the switch is clean, and the "stop" tabs are securely in place and correctly positioned. They can be susceptible to damage from impacts (e.g., if a child's toy or a pet gets in the way of the stop tab).
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*Rain Shield Cover Included *Waterproof Version *EM/ID card/tag reader *Backlight *DC 12 V *Shock resistance *Anti-vandal Metal shell *Doorbell Button Wiegand Output: Equipped with a Wiegand output for seamless integration with a controller. Multiple Access Modes: Offers Card, PIN, or Card + PIN options, providing versatile access control methods. Durable Metal Case: Housed in a robust Zinc Alloy electroplated case, ensuring durability and vandal resistance. RFID Key Fob Duplicator Attribute-Based Access Control Vs Role-Based Access Control 1,000 User Capacity: Supports up to 1,000 users, ideal for large-scale access control in commercial and industrial settings. Backlight Keypad: Features a backlight keypad for easy operation in low-light conditions.

Description

1000 Users Metal Case 125KHZ RFID Card Keypad Access Controller with Backlight Door Control Independent Code Access Device Description Single door multifunction standalone access controller or a Wiegand output keypad or card reader. It is suitable for mounting either indoor or outdoor in harsh environments. It is housed in a strong, sturdy and vandal proof Zinc Alloy electroplated case which is availabl in either a bright silver or matt silver finish. Metal Case&Waterproof .Supports up to 1000 users in either a Card, 4 digit PIN, or a Card + PIN option. The inbuilt card reader supports125KHZ EM cardsLock output current short circuit protection, Wiegand output , and a backlight keypad. Ideal choice for door access not only for small shops and domestic households but als for commercial and industrial applications such as factories, warehouses, laboratories, banks and prisons. Features Simple Programming, Easy Operatio Adopt function steady card reader of block Keypad Locks for 30 Seconds After 10 False Entrie Can be Connected with Door-open Button and Doorbel Non-volatile Memory in Power Failure Tamper Switch can be Connected to Security Alarm System Backlight key Wiegand 26 output for connection to a controller Support 1000Users
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Camera Gate controller
WiFi & Camera Gate/Door controller
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Camera Gate Controller

$240.50

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Camera Gate Controller

● Universal gate opener/garage door opener phone remote control and 1080P Full-HD outdoor surveillance camera, all-in-one!
  • By using the Camera Gate controller realtime monitor, open and close your door openers remotely using your smartphone from anywhere, any time!
● Features 1080p resolution full high definition CMOS sensor and infrared IR LED, the wireless camera is designed for ultra-sharp clear images and monitor in complete darkness. The 24/7 live video display on your smartphone with the FREE Linkcraft APP ensures your garage or gate is safe and secure. No worry about the status of the door. ● The Camera Gate Controller works with all Gate Openers, and is compatible with most gate openers/garage door openers with External Receiver which is sold separately.
  • Multi-users monitor and control, share your WIFI camera and gate remote access with family and friends. Up to 50 cameras can be added to our APP, and you can take pictures and record videos for your gate or garage on your phone. IP44 Weatherproof - This camera is perfect for outdoor use, and works well under rough weather like storms and snow.
  • Universal smartphone remote control for gate opener/garage door opener / various household appliances / industrial devices and 1080P Full-HD outdoor surveillance camera, all-in-one！
  • Real-time monitor and control your devices using your smartphone from anywhere, any time!
  • Typical applications include opening and closing your door openers, lights, automatic feeders, water pump, and spray system remotely.
  • Features 1080p resolution full high definition CMOS sensor and infrared IR LED, the wireless camera is designed for ultra-sharp clear images and monitors in complete darkness.
  • 24/7 live video display on your smartphone with the FREE Linkcraft APP greatly ensures safety and security.
  • No worry about the status of the door or the device.
  • The wire in the controller works with most gate openers/garage door openers / various electrical equipment.
  • Multi-users monitor and control, share your WIFI camera, and remote access with family and friends.
  • Up to 50 cameras can be added to our APP, and take pictures and record videos for your device on your phone.
  • IP44 Weatherproof - This camera is perfect for outdoor use, and works well under rough weather like storms and snow.
  • Features relay output whose max contact is up to 15A/120VAC & 10A/30VDC, two modes of toggle click and self-hold are selectable.
  • You can set a timer in self-hold mode to adjust the working time of the device.
  • Add up to 128GB micro SD card (optional, SD card NOT included), the video is to be recorded day and night.
  • Easy-to-follow manual is included for quick setting up.

A camera gate controller is a system, often part of an access control system, that combines a camera with the ability to control gate or door access.

It allows residents to see and communicate with visitors at the gate before granting access. This technology enhances security by providing visual verification and remote control of entry points. 
How it works:
  • Camera:
    A camera, often with features like night vision and high resolution, captures video of the gate area. 
  • Communication:
    The system typically includes a way for residents to communicate with visitors, often through two-way audio. 
  • Remote Control:
    Residents can remotely unlock the gate or door through a mobile app or other interface. 
  • Integration:
    Some systems integrate with other smart home or property management systems. 
Key Features:
  • Remote Access: View and control the gate from anywhere with an internet connection. 
  • Visual Verification: See who is at the gate before granting access. 
  • Two-way Audio: Communicate with visitors. 
  • Security Alerts: Receive notifications for motion or other events. 
  • Integration Options: Some systems can integrate with other smart home or access control systems.
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Swing gate opener -Zero ZSW400
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Dual swing gate opener -ZERO ZSW600

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$1,428.70

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Dual swing gate opener -ZERO ZSW600

*Suitable gate weight: Maximum 300 Kg (Per leaf) Included: *2 x Electromechanical arm *1 x Main control board *1 x Waterproof box *2 x Remote control *2 x Manual release key *1 x Safety sensor
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Radio receiver
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Remote Control Radio Receiver

$59.45

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Remote Control Radio Receiver

  • NC/NO Output
  • Easy to program new remotes
  • The remote control button is covered to prevent accidental pressing.
  • This radio receiver can be added to almost all the gate operators such as Italian, Chinese, swing gate operators, sliding gate operators, and overhead garage doors.
  • Compatible with 100 remotes.
  • Small case and easy to install
  • The wireless RF signals can pass through walls, floors, doors, or windows. You can use two or more units in the same place.
A gate opener's remote control radio receiver is a device that receives radio signals from a handheld remote control, triggering the gate opener's motor to open or close the gate.
Here's a more detailed explanation:
  • Receives Signals:
    The receiver picks up radio waves transmitted by the remote control. 
  • Decodes Commands:
    It interprets the specific signal pattern to understand the desired action (e.g., open, close, stop). 
  • Controls Devices:
    The receiver then sends signals to the gate opener's motor, causing it to move the gate accordingly. 
  • Part of a System:
    It's a crucial component of the remote control system, working with the transmitter (remote) to enable wireless control of the gate. 
  • Frequency:
    Gate opener receivers typically operate on frequencies like 433 MHz or 315 MHz. 
  • Installation:
    The receiver is usually wired to the gate operator's control board and may require programming to associate it with specific remote controls. 
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Swing gate opener -VDS MP110
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Single swing gate opener –VDS MP110

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$863.55

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Product Sheet PDF

Single swing gate opener –VDS MP110

*Suitable gate weight: Maximum 200 Kg Included: *1 x Electromechanical arm *1 x Main control board *1 x Waterproof box *2 x Remote controls *1 x Manual release key *1 x Safety Sensor
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Dual swing gate opener -Royalgate RGSW700

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$739.30

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