Enhance your electronic control projects with this high-quality Relay Module featuring a robust 30A relay capable of handling heavy loads with ease. Designed for versatility and reliability, this module supports both 5V and 12V working voltages, allowing you to select the optimal power supply for your application. Its strong driving ability is ensured by the SMD optocoupler isolation, providing stable performance and a low trigger current of just 5mA. Key Features: · **High-Load Capacity 30A Relay:** Supports a maximum load of AC 250V/30A and DC 30V/30A on the normally open interface, making it suitable for controlling high-power devices. · **SMD Optocoupler Isolation:** Offers strong driving capability and stable performance while protecting your control circuit from voltage spikes. · **Selectable Working Voltage:** Available in 5V and 12V versions to fit various power requirements and system designs. · **High/Low Level Trigger Mode:** Easily switch between high-level and low-level trigger modes using the onboard jumper, providing flexible control options. · **User-Friendly Interface:** All connections are accessible through convenient terminal blocks, simplifying wiring and installation. · **Low Trigger Current:** Requires only 2-5mA trigger current, ensuring compatibility with most microcontrollers and control boards. Specifications: · Relay Maximum Load (Normally Open): AC 250V/30A, DC 30V/30A · Working Voltage Options: 5V or 12V · Quiescent Current: 5mA · Maximum Current: 190mA (5V version), 80mA (12V version) · Trigger Current: 2-4mA · Trigger Input: Signal trigger terminal (IN), default trigger voltage matches power supply · Trigger Mode Selection: Jumper-configurable for high-level or low-level trigger Module Interface Description: 1. **DC +**: Positive terminal for module power supply and trigger voltage 2. **DC -**: Negative terminal for module power supply and trigger voltage 3. **IN**: Signal trigger input terminal 4. **High/Low Level Trigger Selection**: Jumper connects to L for low-level trigger, H for high-level trigger 5. **NC (Normally Closed)**: Relay normally closed contact 6. **COM (Common Terminal)**: Relay common contact 7. **NO (Normally Open)**: Relay normally open contact Package Includes: · 1 x Relay Module (5V or 12V version) This Relay Module offers a reliable and efficient solution for controlling high-current devices in your automation, robotics, or home improvement projects. Its durable construction, flexible trigger modes, and easy-to-use interface make it an essential component for both hobbyists and professionals seeking stable and powerful relay control.