Description
Overview
The RF Mando 5V 12V Relay Module 1-8 Channel Optocoupler Low-Level Trigger delivers reliable low-voltage switching for automation projects, garage-door control panels, and access-control interfaces. Optical isolation between control and load sides protects your MCU and improves long-term stability in 24/7 installations.
Key Features
- Multi-channel options: 1 / 2 / 4 / 6 / 8 channel versions
- Optocoupler isolation protects controller from inductive kickback
- Low-level trigger logic — direct 3.3V / 5V MCU compatible
- LED indicators for each channel status
- Standard 2.54mm pin header for breadboard & PCB integration
Technical Specifications
| Operating Voltage | DC 5V (standard) / DC 12V (variant) |
|---|---|
| Trigger Current | 5 mA per channel |
| Contact Rating | AC 250V 10A / DC 30V 10A |
| Isolation | Optocoupler 5 kV |
| Operating Temp. | -20 °C ~ +70 °C |
Wiring & Application Guide
- Connect VCC to 5V rail and GND to ground.
- Drive each IN1…INn pin from MCU GPIO at low level to energize the relay.
- Wire load across the COM and NO (or NC) screw terminals.
- Always add a flyback diode across inductive DC loads.
Typical uses: garage-door opener relay board, gate actuator interface, 12V/24V motor reverse control, and alarm-panel output expansion.
📦 Wholesale & Bulk Orders
Important: All prices EXW Xiamen (China) and do NOT include shipping, duties, or taxes. For B2B wholesale quotes, MOQ negotiations, or OEM/ODM customization, contact Joanna Chen directly.
- 📱 WhatsApp / Telegram: +86 189 6031 3731
- 📧 Email: Joanna@rfmando.com
- 🌐 Website: www.rfmando.com
Compatible with RF Mando TY-series remote cloners and frequency generators for professional locksmiths and access-control installers.
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