Shelly 1PM Gen3
Overview
Shelly 1PM Gen3 is a Wi-Fi operated smart relay with integrated power monitoring, designed to control a wide range of electrical appliances while providing precise, real-time energy measurement.
It is suitable for lighting circuits, sockets, garage doors, curtains, heaters, air conditioners, and other 16A loads in residential and commercial environments.
Built on the new Shelly Gen3 ESP processor with 8 MB memory, Shelly 1PM Gen3 delivers faster response times, improved power efficiency, enhanced safety features, and broader integration options. Bluetooth support allows fast onboarding, while local and cloud control ensure flexible automation without requiring a hub.
Key Features
• 1-channel Wi-Fi smart switch with power monitoring
• Rated for up to 16A AC loads
• Precise, real-time power and energy measurement
• New Gen3 ESP processor (ESP-Shelly-C38F) with 8 MB memory
• Wi-Fi operated – no hub required
• Bluetooth for fast onboarding and device inclusion
• Supports scripting (mJS), webhooks, MQTT, WebSocket, HTTPS, UDP, TLS
• Acts as a Wi-Fi range extender and Bluetooth gateway
• Enhanced over-temperature and overload protection
• Secure communication with MQTTS, WSS, and custom certificates
• Compatible with Shelly Smart Control app, Home Assistant, Alexa, and other platforms
• Supports KNXnet/IP communication
Technical Specifications
Power Supply
Power supply (AC): 110–230 V AC ±10%, 50/60 Hz
Power supply (DC): 24–30 V DC
Device power consumption: < 1.2 W
Switching & Measurement
Channels: 1
Max switching voltage:
• 240 V AC
• 30 V DC
Max switching current:
• 16 A (240 V AC)
• 10 A (30 V DC)
Power measurement: Yes
Safety & Control
Dry contacts: No
Roller shutter mode: No
Device temperature protection: Yes
Overload protection: Yes
Custom scripts (mJS): Yes
HTTP/HTTPS webhooks: Yes
Connectivity
Wi-Fi protocol: 802.11 b/g/n (2.4 GHz)
Wi-Fi RF band: 2401–2483 MHz
Wi-Fi range:
• Up to 50 m outdoors
• Up to 30 m indoors
Bluetooth: Yes
Bluetooth protocol: 4.2
Bluetooth range:
• Up to 30 m outdoors
• Up to 10 m indoors
Environmental
Operating temperature: -20°C to 40°C
Physical
Dimensions (H × W × D): 37 × 42 × 16 mm
Installation Notes
• Designed for in-wall installation behind standard switches or sockets
• Controls a single electrical circuit (line switching only)
• Requires correct load sizing within rated limits
• Supports both AC and DC power supply configurations
• Suitable for local-only operation or cloud-connected automations
In the Box
• Shelly 1PM Gen3
• Quick start guide