Shelly
Shelly 1PM Gen 3
Shelly 1PM Gen 3
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Shelly 1PM Gen3: Smart Switch with Power Measurement
The Shelly 1PM Gen3 is a compact smart switch with power monitoring, designed to control and measure the power consumption of your electrical appliances remotely. It can work both locally on a Wi-Fi network and via cloud home automation platforms. With an upgraded processor and enhanced memory, it delivers faster performance and greater reliability compared to its predecessor.
Main Features
- Wi-Fi Connectivity: Connects to your home Wi-Fi for remote monitoring and control through the Shelly app or web interface.
- Integration with Smart Home Platforms: Compatible with Google, Alexa, and Samsung SmartThings for easy voice control and automation.
- Smart Switch with Power Measurement: Monitors energy usage of connected appliances in real time.
- Compact Design: Fits neatly behind sockets, switches, or inside small wall boxes.
- Local & Cloud Control: Operate locally via LAN or through Shelly Cloud for remote access.
- Improved Processor & Memory: Enhanced performance for more responsive operation.
- Embedded Web Interface: Adjust settings, monitor performance, and control connected devices directly.
- BLE Gateway: Bridges Shelly BLU devices to your Wi-Fi ecosystem.
- Wi-Fi Range Extender: Expands coverage for IoT devices in your smart home.
- Advanced Automation: Includes scripting, virtual components, and schedule support for flexible control.
Use Cases
- Appliance Control: Remotely switch lights, fans, and appliances on or off.
- Power Monitoring: Track real-time power consumption to identify energy-heavy devices.
- Home Automation: Create smart routines and schedules to suit your lifestyle.
- Energy Efficiency: Optimize usage and reduce electricity costs with accurate power tracking.
- Remote Monitoring: Manage appliances from anywhere with internet access.
Main Applications
- Residential
- MDU (apartments, hotels, condominiums)
- Light commercial (retail shops, small offices)
- Government or municipal buildings
- University and college campuses
Integrations
- Amazon Alexa: Supported
- Google Smart Home: Supported
- Samsung SmartThings: Supported
Device Electrical Interfaces
- Inputs: 1 switch/button input (SW); 5 power supply inputs (2 N and 3 L)
- Outputs: 1 relay output with power measurement (O)
- Add-on Interface: Shelly proprietary serial interface
Connectivity
- Wi-Fi: 802.11 b/g/n
- Bluetooth 4.2
Safety Features
- Overheating protection
- Overvoltage protection
- Overcurrent protection
- Overpower protection
Supported Load Types
- Resistive (incandescent bulbs, heaters)
- Capacitive (motor start capacitors, electronics)
- Inductive with RC Snubber (LED drivers, fans, air conditioners)
User Interface
- One control button (for AP and factory reset functions)
- LED indicator (Wi-Fi, cloud, and OTA update states)
Specifications
| Type | Value |
|---|---|
| Size (HxWxD) | 37x42x16 mm |
| Weight | 27 g / 0.95 oz |
| Power Supply | 110-240 V~ or 24-30 V⎓ |
| Power Consumption | < 1.2 W |
| Max Switching Voltage | 240 V~ / 30 V⎓ |
| Max Switching Current | 16A (AC) / 10A (DC) |
| Operating Temperature | -20°C to 40°C |
| Wi-Fi Range | Up to 30m indoors / 50m outdoors |
| CPU | ESP-Shelly-C38F |
| Flash | 8MB |
| Firmware Capabilities | Schedules, Webhooks, Scripting, MQTT |
Supports both 110-240V~ AC and 24-30V⎓ DC wiring configurations.
Legend
- O: Load circuit output terminal
- L: Live wire (110–240V~)
- SW: Switch input terminal
- N: Neutral terminal
- GND: Ground (DC mode)
- + and Ʇ: Positive and negative DC terminals
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The device itself strikes a great balance with a sleek design and the perfect size. On the technical side, the companion app is fantastic and loaded with impressive features. Wi-Fi reception has been rock-solid and incredibly stable. Best of all, it integrated effortlessly with Home assistant right out of the box using the official integration. Seamless experience all around!
Great product, great price, great service. Shipped to NZ and arrived within 1 week.
Shelly 1PM Gen 3
Very clever device and so easy to use via the app. Pairs well with the “Add On” module as a temperature controller.
Shelly 1PM Gen 3
