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ViewBus Enabled, 2channel Relay module 2 Amp per channel for Automation Security Siren, Electric Lock, Curtain motor, trigger of gate/Garage Motor, Lighting control, ... etc. (Built in Intelligence and delay and double throw Function) - Small size can fit behind switch. With Broadcast Enabled, Ready with Firmware USB Upgrade (Warning: Higher Loads Require Adding of Contactors for Protection per channel Load)
2R mini Relay Moudule 2A (G4)
Category: Multifunction Relay controller
Model: SB-2R-UN
Total Price: $80.00
Stock Status: In Stock
The 2R Mini Relay Module 2A (G4) is a dual-channel relay module designed for precise and efficient AC/DC load switching. Each channel supports up to 2 Amps, making it ideal for controlling lighting circuits, small motors, solenoids, or other automation loads.
Engineered with G4 (Generation 4) technology, this module ensures reliable performance, noise-free operation, and long service life. Its compact PCB layout and DIN-rail mounting support make it perfect for use in industrial control panels, IoT automation, and smart home systems.
Compatible with Arduino, ESP32, Raspberry Pi, STM32, and PLC systems, it allows smooth integration with both professional and DIY automation setups.
Key Features
- Dual (2-channel) relay outputs rated at 2A per channel
- Supports AC or DC loads (110V–230V AC or 12V–24V DC)
- Opto-isolated inputs for better protection and reliability
- Compatible with 3.3V / 5V logic systems (Arduino, ESP32, Raspberry Pi, PLC)
- LED indicators for each relay output status
- Compact design ideal for DIN-rail or panel mounting
- Built with G4 industrial-grade components for long life
- Supports both manual and logic-controlled operation
Applications
- Home automation and smart lighting control
- Industrial control and monitoring systems
- IoT automation and embedded systems
- PLC relay interface and expansion
- Security systems and alarm triggers
- Small motor or pump control
- Smart home devices and power management
- Educational and R&D electronics projects
- HVAC control and signal switching
- Building and office automation panels
Technical Specifications
| Specification | Details |
|---|---|
| Channels | 2 (Independent) |
| Max Load | 2A per channel |
| Total Load | 4A total |
| Operating Voltage | 5V / 12V (model-specific) |
| Input Signal | 3.3V / 5V logic compatible |
| Isolation | Opto-isolated inputs |
| Mounting Type | DIN-Rail / Panel Mount |
| Indicator | Relay ON/OFF LED |
| Dimming Type | Switching control (non-dimming) |
| Dimensions | Compact G4 module |
| Operating Temperature | -10°C to +70°C |
Why Choose the 2R Mini Relay Module (G4)?
- Built for industrial automation and IoT reliability
- Compact, lightweight, and easy to install
- Compatible with Arduino, PLCs, and smart controllers
- Designed with high-quality G4 components for stability
- Perfect for low-current control circuits
- Flicker-free, noise-free, and fast-switching operation