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Radio receiver RG433-24V1C
Radio receiver RG433-24V2C
Radio receiver RGRR1C
Radio receiver RGRR2C
Radio receiver RQ1M433 – IT1
Radio receiver RQ2C433A – IT2
Radio receiver RX2CH-Multi Code
Radio remote control receiver
Radio remote control receiver
A radio remote control receiver is an electronic device that receives signals from a remote control and triggers the gate's motor to open or close.
It acts as the "ear" for the gate opener, interpreting the radio signals sent by the remote. These receivers are crucial for the functionality and convenience of automated gate systems.
Here's a more detailed explanation:
Function:
- The receiver is designed to detect the specific radio frequency and code transmitted by the gate remote.
- Upon receiving the correct signal, it activates the gate's motor, causing the gate to move.
Rain Shield Cover
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Rain Shield Cover
Common Applications:
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Doorbell systems:Protects the doorbell from rain and sun, ensuring it remains functional and visible.
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Keypad access control systems:Shield the keypad from the elements, preventing malfunctions and ensuring accurate operation.
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Fingerprint access control systems:Protects the fingerprint sensor from rain and sun exposure, ensuring accurate biometric readings.
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Standalone RFID door access controllers:Shield the controller from weather elements, ensuring reliable access control.
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Attendance machines:Protects the machine from rain and sun, ensuring accurate timekeeping records.
Reflective safety sensor – OMRON E3JK
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Reflective safety sensor – OMRON E3JK
*NO/NC *AC/DC 24-240 V *Receiving Range: 40 Meters *IP 64Relay 5-Pin 40A
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Relay 5-Pin 40A
A 5-pin 40A relay is an electromechanical switch commonly used in automotive and other applications. It allows a low-power electrical signal to control a higher-power circuit. The "5-pin" refers to the number of terminals it has, and "40A" indicates that its contacts can safely handle a maximum current of 40 amps. How it Works A relay essentially functions like a remote-controlled switch. It has two main circuits:- Control Circuit (Coil): This low-power circuit energizes an electromagnet inside the relay.
- Switched Circuit (Contacts): This high-power circuit is controlled by the electromagnet, either opening or closing connections to a device.
- Pins 85 and 86: These are the coil terminals. When a small current (typically 12V DC in automotive applications) is applied across these pins, it creates a magnetic field.
- Pin 30: This is the common terminal for the switched circuit. It's usually connected to the main power source (e.g., battery) through a fuse.
- Pin 87: This is the Normally Open (NO) contact. When the relay coil is energized, pin 30 connects to pin 87, allowing current to flow to the connected device.
- Pin 87a: This is the Normally Closed (NC) contact. When the relay coil is not energized, pin 30 is connected to pin 87a. When the coil is energized, this connection breaks.
- High-Current Control: They allow you to control high-current devices (like headlights, fuel pumps, or cooling fans) with a low-current switch. This protects the sensitive, smaller switches from being damaged by excessive current.
- Reduced Voltage Drop: By placing the relay closer to the high-current device and power source, you can use shorter runs of heavier gauge wire for the high-current circuit, minimizing voltage drop and ensuring the device receives adequate power.
- Safety: They isolate high-current circuits from the passenger compartment, enhancing safety.
- Automotive: Headlights, fog lights, horns, fuel pumps, electric cooling fans, power windows, central locking, and various aftermarket accessories.
- Industrial Control: Switching motors, solenoids, and other heavy-duty equipment.
- General Purpose: Any application where a low-power signal needs to control a higher-power circuit.
- Pin 85: Connect to ground (-).
- Pin 86: Connect to the positive (+) side of your control switch. When this switch is activated, it provides power to the coil.
- Pin 30: Connect directly to the positive (+) terminal of your battery, always through an appropriately sized fuse.
- Pin 87: Connect to the positive (+) terminal of the device you want to power when the relay is activated (Normally Open connection).
- Pin 87a: (Optional) Connect to a device you want to power when the relay is not activated (Normally Closed connection).