Shelly Pro 3
£89.99
Shelly Pro 3 is a DIN-rail mounted three-channel relay suitable for both single-phase and three-phase circuits, designed for installation inside the breaker box on home or commercial projects. It offers dry contact outputs, Wi-Fi, Ethernet and Bluetooth connectivity, plus over-temperature protection.
- Three channels, up to 16A each (48A total)
- Suitable for controlling 3-phase circuits
- Dry contact outputs plus Wi-Fi, Ethernet and Bluetooth
- Built-in over-temperature protection for safe continuous operation
Buy the Shelly Pro 3 online in the UK from ShellyUK — genuine Shelly stock with fast UK delivery.
Professional DIN rail mountable 3-channel relay with Wi-Fi, LAN, and Bluetooth connection. Suitable for home and commercial facility automation with remote control and precise power management. Enhanced safety features and compatible with the many common home automation platforms. Suitable for controlling 3-phase and single-phase circuits.
Enhanced with over-temperature protection, the Shelly Pro series is designed to be installed inside the breaker box (DIN rail). Allowing complete smart automation with no additional cables or wiring, the Shelly Pro series is perfect for homes, offices, stores, businesses, and manufacturing facilities, as well as new buildings.
Three channels, up to 16A each (48A total)
Suitable for controlling 3-phase circuits
Dry contact outputs plus Wi-Fi, Ethernet and Bluetooth
Built-in over-temperature protection for safe continuous operation
Where you'd use it
Three-phase circuit switching
Use it to control three-phase equipment in a workshop or small commercial unit, since the Pro 3 is specifically rated for both three-phase and single-phase circuits.
Dry contact contactor control
Drive external contactors from the dry contact outputs to switch higher-current loads safely, keeping the switched current away from the relay's own contacts.
DIN rail install for new-build wiring
Fit it inside the consumer unit during a new build or rewire so smart control is designed in from the start rather than retrofitted behind switch plates later.
Specification
Connectivity
- HTTP/HTTPS webhooks
- Yes
- Wi-Fi Protocol
- 802.11 b/g/n
- Wi-Fi Radio frequency
- 2412 - 2483 MHz
- Wi-Fi Radio signal power
- 1mW
- Operational range (depending on local construction) • up to
- 50 m outdoors • up to 30 m indoors
- Bluetooth
- Yes
Protection & Safety
- Device temperature protection
- Yes
- Overload protection
- No
Physical & Build
- (H x W x L)
- 96 x 53 x 59 mm
Environmental
- Operational temperature
- -20°C to +40 °C
Power & Electrical
- Power supply
- AC 110-230V ±10%, 50/60Hz
- Power supply
- DC No
- Maximum load
- 48A, with up to 16A per channel
- Electrical consumption < 3W
- Dry contacts
- Yes
- Roller shutter mode
- No
- Channels
- 3
Smart Features
- Power measurement
- No
- Custom scripts(mJs)
- Yes
Other
- Ethernet
- Yes
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