This is the 12V variant of the 4 Channel Relay Module, 30A with Optocoupler, Isolation 12V Supports, High and Low Triger in Relay Modules. Available at ₹770.54 (₹653.00 + GST) with free shipping across India.
4 Channel Relay Module, 30A with Optocoupler, Isolation 12V Supports, High and Low Triger
Introducing the 4-Channel DC 12V Relay Module with High/Low-Level Triggering and Optocoupler Isolation, a versatile solution for controlling various electrical loads in different applications. This module features high-power relays capable of handling 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’ development experiments
- Circuit modifications
Features:
- High-Power Relays: Equipped with high-power relays capable of handling a maximum control load of DC 30V 30A or AC 250V 30A, ensuring efficient control of heavy loads in various applications.
- Optocoupler Isolation: Each channel features optocoupler isolation, providing excellent anti-interference ability and ensuring stable operation even in noisy environments.
- International Safety Standards: Designed in compliance with international safety standards, featuring isolation slots between the control area and the load area to enhance safety during operation.
- LED Indication: Each channel includes a relay on LED indicator, allowing users to easily monitor the status of the relay, simplifying troubleshooting and diagnostics.
Module Interface Description:
- DC+: Positive terminal of the DC power supply
- DC-: Negative terminal of the DC power supply
- IN: Signal input terminal, supporting High/Low-Level switch freely
- NO (Normally Open): Relay normally open terminal
- COM (Common): Relay common terminal
- NC (Normally Closed): Relay normally closed terminal
Enhance your control systems with the reliable and versatile 4-Channel DC 12V Relay Module, offering high-power relay capabilities, optocoupler isolation, and adherence to international safety standards, making it suitable for a wide range of industrial and DIY applications.
Specifications:
| Operating Voltage (VDC) | DC 30V 30A |
|---|---|
| Input Voltage (V AC) | AC 250V 30A |
| Maximum Supply Voltage (V) | 12 |
| Trigger Voltage (VDC) | 12V |
| Shipping Weight | 0.172 kg |
| Shipping Dimensions | 15 × 12 × 3 cm |
Package includes:
1 x 4-Channel DC 12V Relay Module High/Low-Level Triggering Optocoupler Isolation
Zigbee vs Z-Wave vs WiFi for Home Automation: Which Protocol Should You Choose?
Choosing the right wireless protocol is the most important decision you will make before building your smart home....
Read More →
MQTT Broker Setup: Mosquitto on Raspberry Pi for IoT
Setting up an MQTT broker with Mosquitto on a Raspberry Pi for IoT is one of the most...
Read More →
ESP32 Alexa Integration: Voice Control Your DIY Devices
Imagine saying "Alexa, turn on the fan" and watching your homemade relay board click on — all powered...
Read More →Technical Specifications
| Operating Voltage | 12V |
|---|---|
| Current Rating | 30A |
| Channels | 4-channel |
| SKU | AI3145 |
| Weight | 0.23 kg |
| Availability | Out of Stock |
Applications & Use Cases
The 4 Channel Relay Module, 30A with Optocoupler, Isolation 12V 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
