Shelly SSR Add-On Dual-Channel Solid-State Relay for The Pill
The Shelly SSR Add-On is a dual-channel solid-state relay module designed to expand the capabilities of The Pill by Shelly, enabling you to control two independent DC loads up to 30V/300mA per channel. Perfect for automating LED strips, fans, solenoids, valves, and other low-voltage devices in your smart home or DIY projects, the SSR Add-On delivers silent, reliable switching with galvanic isolation for enhanced safety and performance. Whether you're building climate control systems, automated lighting scenes, or custom IoT solutions, this compact module brings professional-grade DC switching to your fingertips.
Why You'll Love the Shelly SSR Add-On
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Dual-Channel DC Control: Independently control two separate DC loads up to 30V and 300mA each, ideal for LED strips, small fans, and DC motors
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Galvanically Isolated Solid-State Relays: Silent, click-free switching with improved electrical separation for safer, more reliable automation
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Seamless Integration with The Pill: Works with The Pill by Shelly via the 5-Terminal Add-On (sold separately) for versatile smart home and industrial applications
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Flexible I/O Configuration: Includes one configurable digital input/output (IO3) at 3.3V logic level for advanced automation scenarios
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Perfect for Australian Smart Homes: Automate ventilation, lighting, irrigation valves, or custom projects with Shelly's proven ecosystem and app control
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2-Year Manufacturer Warranty: Backed by Shelly's quality guarantee and 12-month damage replacement policy
Dual-Channel DC Load Control
The SSR Add-On features two independent solid-state relay outputs (LOAD1 and LOAD2), each capable of switching DC loads up to 30V and 300mA. This makes it perfect for controlling LED lighting strips, small DC fans for cabinet cooling, solenoid valves for irrigation systems, or any other low-voltage DC devices. The galvanic isolation ensures clean switching without electrical noise or mechanical clicking, extending the lifespan of your connected devices and maintaining silent operation.
Smart Automation at Your Fingertips
When paired with The Pill by Shelly, the SSR Add-On unlocks powerful automation possibilities through the Shelly Smart Control app. Create custom scenes, set schedules, trigger actions based on sensor data, or integrate with third-party platforms like Home Assistant, Google Home, Amazon Alexa, and more. Automate your home's lighting to match the time of day, control ventilation fans based on temperature readings, or build custom DIY projects with IoT connectivity.
Easy Integration and Flexible Configuration
The SSR Add-On connects to The Pill by Shelly through the 5-Terminal Add-On (required, sold separately), providing power, ground, and three configurable I/O terminals. The module includes one additional configurable I/O pin (IO3) that can be set as either a digital input or output at 3.3V logic level, giving you even more flexibility for sensor integration or external system control. Optional 5V/GND terminals provide convenient power reference points for peripheral devices.
Ideal Applications
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LED Strip Automation: Control accent lighting, under-cabinet lights, or decorative LED strips with schedules and scenes
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Ventilation Control: Automate DC fans in enclosures, cabinets, or small rooms based on temperature or humidity sensors
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Irrigation Systems: Trigger low-voltage solenoid valves for smart garden watering based on moisture sensors or schedules
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Signal Indicators: Control status LEDs or indicator lights for equipment monitoring and alerts
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DIY Projects: Build custom automation solutions with professional-grade solid-state switching
What's in the Box
- 1 × Shelly SSR Add-On module
- Documentation and quick start guide
Full Specifications
Control & Outputs
| Number of Channels |
2 independent solid-state relay outputs (LOAD1, LOAD2) |
| Maximum Load per Channel |
30V DC / 300mA |
| Relay Type |
Galvanically isolated solid-state relays (SSR) |
| Switching Noise |
Silent operation (no mechanical clicking) |
I/O & Connectivity
| Digital I/O |
1 × configurable input/output (IO3), 3.3V logic level |
| Power Terminals |
Optional 5V / GND reference terminals |
| Connection Method |
Requires 5-Terminal Add-On to connect with The Pill by Shelly |
Compatibility & Integration
| Compatible Controller |
The Pill by Shelly (required) |
| Required Accessory |
5-Terminal Add-On (sold separately) |
| Control Platform |
Shelly Smart Control app (iOS/Android), Home Assistant, Google Home, Amazon Alexa, and other third-party platforms |
Warranty & Support
| Manufacturer Warranty |
2 years standard warranty |
| Damage Replacement Policy |
12-month free replacement even for improper wiring or usage |
What's in the Box
| Package Contents |
SSR Add-On module, documentation |
Specifications are sourced from the manufacturer product page and may be updated.
