This is the 5V variant of the 4 Channel Relay Module, 30A with Optocoupler, Isolation 5V Supports, High and Low Triger in Relay Modules. Available at ₹650.18 (₹551.00 + GST) with free shipping across India.
4 Channel Relay Module, 30A with Optocoupler, Isolation 5V Supports, High and Low Triger
Introducing the 4 Channel Relay Module 30A with Optocoupler Isolation. This versatile module supports both high and low trigger signals, providing flexibility for various applications. With its high-power relay, it can handle a maximum control load of DC 30V 30A or AC 250V 30A, making it suitable for a wide range of industrial and DIY projects.
Applications:
- PLC automation equipment control
- Industrial system control
- Logistics network control
- Home intelligent product control
- Electronic enthusiasts’ experiments
- All kinds of circuit modifications
Features:
- High-power relay for robust performance
- Optocoupler isolation for anti-interference capability
- Compliance with international safety standards
- Separate isolation slots for control and load areas
- LED indication for each relay channel
Module Interface Description:
- DC: Positive terminal for DC power supply
- DC-: Negative terminal for DC power supply
- IN: Signal input terminal (supports High/Low-Level switch freely)
- NO (Normally Open): Terminal for the normally open state of the relay
- COM (Common): Common terminal of the relay
- NC (Normally Closed): Terminal for the normally closed state of the relay
Upgrade your control systems with the reliability and versatility of the 4 Channel Relay Module 30A with Optocoupler Isolation.
Specifications:
| Input Voltage (V AC) | AC 250V 30A |
|---|---|
| Maximum Supply Voltage (V) | 5.5 |
| Trigger Voltage (VDC) | 3.3-5V |
| Shipping Weight | 0.172 kg |
| Shipping Dimensions | 15 × 12 × 3 cm |
Package includes:
1 x 4-Channel DC 5V Relay Module High/Low-Level Triggering Optocoupler Isolation
ESP32 USB HID: Emulate Keyboard and Mouse from Microcontroller
The ability to use ESP32 USB HID keyboard mouse emulation opens up a world of automation possibilities that...
Read More →
ESP32 Zigbee Coordinator: Control Smart Devices Locally
Setting up an ESP32 Zigbee coordinator for local smart home control is the path to true independence from...
Read More →
IoT Weather Alert System: Thunder, Rain and Flood Warning
India experiences some of the most severe weather events in the world — flash floods in Mumbai, cyclones...
Read More →Technical Specifications
| Operating Voltage | 5V |
|---|---|
| Current Rating | 30A |
| Channels | 4-channel |
| SKU | AI3144 |
| Weight | 0.18 kg |
| Availability | Out of Stock |
Applications & Use Cases
The 4 Channel Relay Module, 30A with Optocoupler, Isolation 5V Supports, High and Low Triger is a versatile relay modules used across a wide range of applications including home automation, industrial control, IoT projects, Arduino/Raspberry Pi interfacing, and motor control.
Common use cases:
- Switching high-voltage AC appliances with a microcontroller
- Building a smart home relay board
- Automating irrigation pumps in agriculture
This product is ideal for electronics engineers, IoT developers, and automation hobbyists.
Technical Tip: Use optocoupler-isolated relay modules to protect your microcontroller. Match relay coil voltage to your MCU logic level (3.3V or 5V).
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
