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- Low pull, high release.
- Energization status indicator light, release status led is off; vice for the system power, JD-VCC for the relay power.
- Default hair 5v relay, plug the jumper cap to.
- Relay Maximum output: dc 30v/10a, ac 250v/10aRelay selection of quality loose music relays, spat.
- A common terminal, a normally open, one normally closed terminal. optocoupler isolation, good anti-jamming.
4 Channel 12V Relay Board
This 4-channel 12 V relay module is a low pull, high release relay module and features energization status indicator light, release status led is off. By default, this is a 5V relay module and uses jd-vcc for the relay power and is compliant with international safety standards, control, and load areas isolation trenches.
The 4 channel relay module can be used to control various appliances and other types of equipment with large currents. The maximum output of the relay module is AC250V 10A and DC5V 10A.
The four-channel can be used to switch multiple loads at the same time since there are four relays on the same module. This is useful in creating a central hub from where multiple remote loads can be powered. It is useful for tasks like home automation where the module can be placed in the main switchboard and can be connected to loads in other parts of the house and can be controlled from a central location using a microcontroller.
Note:
If either of the relays does not turn on:
- The contacts might be welded due to overcurrent/arcing. Shaking the module firmly might help unstick the contacts
- The driver circuitry might have been damaged due to overvoltage.
- Input polarity might be incorrect.
- Jumper might not have been moved to the correct position
Applications
- Switching mains loads
- Home automation
- Battery backup
- High current load switching
read our blog explaining the relay applications, provides comprehensive information about relays, their working principles, construction, and various types.
Shipping & Returns
Shipping & Returns
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same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
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Package Includes:
- 1 x 4 channel 12 V Relay
Specifications:
| Number of Channels | 4 |
| Operating Voltage | 12V |
| MAx Output | AC250V 10A and DC5V 10A |
| Dimensions | 5 x 3 x 1cms |
| Weight | 5 grams |
1. What is the use of the 4-channel relay module?
- The 4 Channel Relay Module is a convenient board that can control high voltage, high current loads such as motor, solenoid valves, lamps and AC load. It is designed to interface with microcontrollers such as Arduino, PIC, etc.
2. What is a relay board?
- Relay boards are computer boards that contain a number of relays and switches. They are designed to control the voltage supply and have input and output terminals. Relay boards provide independently programmable, real-time control of multiple onboard relay channels.
3. What are the applications of the 12V 4ch-relay?
- The 12V 4ch-DC relay switches are the best solution for full voltage applications because they allow a low current flow circuit to control a high current flow circuit, such as a vehicle's horn, headlights, auxiliary lamps, fan motors, blower motors, and countless other pieces of equipment.
4. What is a 4-channel relay module?
- The 4 Channel Relay Module is a convenient board that can control high voltage, high current loads such as motor, solenoid valves, lamps and AC load. It is designed to interface with microcontrollers such as Arduino, PIC, etc.
5. What is an optocoupler relay?
- A relay operates on the principle of opto-isolation, i.e. The controller and the relay have no direct or hardwired connection. There is no hardwire, the controller will remain protected against the high voltages that might harm the controller.
6. How does 4 channel relay work?
- This 12V 4 Channel Relay Module takes care of all the extra components required to use a relay with a microcontroller. Each relay can be individually driven on this board; when one of the input pins is set high it will trigger a transistor that will trip the corresponding relay and illuminate an indicator light. Each input can be directly connected to an Arduino without the worry of damage.
7. Do I need optocoupler for relay?
- Yes, optocouplers are commonly used to drive relays because they provide isolation between the analog and digital grounds, ensuring that switching currents in the relay coils do not affect the noise margin of the digital circuit
