4-Channel 5V Relay Board – 4-channel 5V relay board for electronics projects. -Relay Module -Robocraze

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Buy 5v 4 Channel Relay with Optocoupler Online in India

Name: 4 Channel 5V Relay Board
Brand: Robocraze
SKU: TIFRL0013
Price: 159 INR
Availability: InStock
Rating: 5.0 (22 reviews)

4 Channel 5V Relay Board

Rs 159/-

- 29%

Rs 159/-

~~Rs 224/-~~

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SKU: TIFRL0013

One normally closed contact and one normally open contact.
Energization status indicator light, release status led is off; vice for the system power, JD-VCC for the relay power.
Default 4 channel relay module 5V configuration with jumper cap
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.

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4 Channel 5V Relay Board

~~Rs 224/-~~ Rs 159/-

Quantity:

4 Channel 5V Relay Board

~~Rs 224/-~~ Rs 159/-

Description
Specifications
FAQ
Shipping & Return

Description

4 Channel 5V Relay Board

This 4 channel relay module 5V is a low-pull, high-release relay module and features an energisation status indicator light; the release status LED remains off during operation.

By default, this 5V 4 channel relay module uses JD-VCC for relay power and is compliant with international safety standards, ensuring proper isolation between control and load areas through dedicated isolation trenches.

The relay module 4 channel board is a convenient solution for controlling high-voltage and high-current loads such as motors, solenoid valves, lamps, and AC appliances. It is designed to interface easily with microcontrollers like Arduino, PIC, and other embedded systems.

The relay terminals (COM, NO, and NC) are brought out via screw terminals for secure connections. It also includes LED indicators to display relay status.

This 4 channel relay module can be used to control a wide range of appliances and equipment requiring higher current. The maximum output of the module is AC 250V 10A and DC 30V 10A.

Features:

4 independent relay channels for multi-device control
5V operating voltage compatible with microcontrollers
Optocoupler isolation for safe and stable performance
LED indicators for each relay status
Screw terminals for easy wiring
Supports both AC and DC loads
High current handling capability (up to 10A)
Compact and easy-to-integrate design

Applications of 4 Channel Relay Module:

The 4 channel relay module, also commonly referred to as a relay module 4 channel, is widely used in automation and IoT-based projects. Whether you are using a 5V 4 channel relay module with Arduino or Raspberry Pi, it allows you to safely control high-power devices using low-voltage signals.

Typical use cases include:

Switching mains loads
Home automation
Battery backup
High current load switching

This 4 channel relay module 5V is especially useful for projects where multiple devices need to be controlled simultaneously with proper electrical isolation.

Also check the 8 Channel 5V 10A Relay Module.

Also, check our relay switch collection.

Specifications

Package Includes:

1 x 4 channel 5v Relay

Specifications

Number of Channels	4
Operating Voltage	5V
MAx Output	AC250V 10A and DC5V 10A
Dimensions	5 x 3 x 1cms
Weight	5 grams

FAQ

1. What is a 4 channel relay module?

The 4 Channel Relay Module is a convenient board that can control high voltage and 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. How does 4 channel relay work?

The 4 channel Relays are the switches that open and close circuits electronically. Relays control one electrical circuit by opening and closing contacts in another circuit. When a relay contact is normally open (NO), there is an open contact when the relay is not energized. When a relay contact is Normally Closed (NC), there is a closed contact when the relay is not energized. In either case, applying electrical current to the contacts will change their state

3. What are the components present on a four-channel relay module?

The major components present on the 4-channel 5V relay board are terminal blocks, male headers, transistors, optocouplers, diodes, and LEDs.

4. How do you connect 4 Channel relay modules to Arduino?

NC: Normally closed 120-240V terminal
NO: Normally open 120-240V terminal
C: Common terminal
Ground: Connects to the ground pin on the Arduino 5V
Vcc: Connects the Arduino’s 5V pin
Signal: Carries the trigger signal from the Arduino that activates the relay

5. What are Normal Open and Normal Closed in a 4-channel 5V relay board?

The 4 channel relay module has two different types of electrical contacts inside normally open (NO) and normally closed (NC). The one you use will depend on whether you want the 5V signal to turn the switch on or turn the switch off. The 120-240V supply current enters the relay at the common (C) terminal in both configurations. To use the normally open contacts, use the NO terminal. To use the normally closed contacts, use the NC terminal.

Shipping & Return

Shipping Policy

Free Delivery on all Orders Above Rs 999/-
All orders confirmed before 3:00 PM IST are shipped the same day, barring rare pickup delays on holidays or disturbances.
Delivery time in Metro cities is 1–3 days; for other locations, it is 3–7 days. Delivery varies based on location and courier service.

Return & Refund Policy

Return window: 7 days from receipt unless stated otherwise.
No refunds or replacements after the return window.
Returns are accepted only for non-working or damaged products.
Initiate return requests via a Support ticket or contact us at +91-8123057137.
Refunds are processed within 3–4 working days after inspection and approval.