Shelly smart relay module with energy metering, Wi‑Fi and Bluetooth
Shelly smart relay module with energy metering, Wi‑Fi and Bluetooth
Transform your home or office into an intelligent, efficient space. Shelly 1PM Gen3 combines a powerful 16 A relay with precise energy measurement (voltage/current/power) and stable connectivity via Wi‑Fi and Bluetooth. It only needs your existing network — no central hub — and works with the Shelly Smart Control app, voice assistants Amazon Alexa and Google Home, as well as KNXnet/IP and MQTT protocols. The built‑in Bluetooth gateway and Wi‑Fi range extender ensure reliable control throughout the premises.
The new ESP‑Shelly‑C38F processor with 8 MB flash memory delivers quick response, secure encryption, and support for scripts and webhooks for advanced automations. Create scenes, schedules, and link Shelly 1PM Gen3 with other devices. The internal temperature sensor protects the module against overload, and together with the Shelly Plus Add‑on and the DS18B20 sensor you can monitor, for example, the water temperature in a boiler. Ideal for lighting, underfloor heating, retrofitting older appliances, and irrigation control.
- Easy installation in a junction box behind a switch or socket, no complex modifications
- Reliable 16 A performance and long‑lasting terminal durability
- Energy metering with voltmeter and ammeter to save energy
- 20 schedules and webhooks (20 hooks, 5 URLs each) for automations
- MQTT, KNXnet/IP, scripts, and encrypted communication for secure operation
- No hub, control from anywhere via Wi‑Fi/Bluetooth, compatibility with Alexa/Google
- Enhanced Wi‑Fi coverage and integrated Bluetooth gateway for stable connectivity
Specifications
- Manufacturer
- Shelly
- Model
- 1PM Gen3
- Dimensions
- 37 × 42 × 16 mm
- Weight
- 27 g
- Maximum terminal tightening torque
- 0.4 Nm
- Conductor cross‑section
- 0.2 to 2.5 mm² (solid, stranded, and ferrule‑terminated)
- Conductor length without insulation
- 6 to 7 mm
- Mounting
- Wall bracket / installation (flush‑mount) box
- Enclosure material
- Plastic
- Color
- Red
- Operating temperature
- -20 °C to 40 °C
- Operating humidity
- 30% to 70% RH
- Maximum altitude
- 2000 m
- Power supply
- 110–240 V~ / 24–30 V⎓
- Self‑consumption
- < 1.2 W
- Maximum switching voltage
- 240 V~ / 30 V⎓
- Maximum switching current
- 16 A (240 V~), 10 A (30 V⎓)
- Internal temperature sensor
- Yes
- Voltmeter
- Yes
- Ammeter
- Yes
- Wi‑Fi protocol
- 802.11 b/g/n
- Wi‑Fi radio frequency
- 2401–2483 MHz
- Maximum RF power (Wi‑Fi)
- < 20 dBm
- Wi‑Fi range
- Up to 50 m in open space, up to 30 m indoors (depending on conditions)
- Bluetooth version
- 4.2
- Bluetooth radio frequency
- 2400–2483.5 MHz
- Maximum RF power (Bluetooth)
- < 4 dBm
- Bluetooth range
- Up to 30 m in open space, up to 10 m indoors (depending on conditions)
- CPU
- ESP‑Shelly‑C38F
- Flash memory
- 8 MB
- Number of schedules
- 20
- Webhooks (URL calls)
- 20 with 5 URLs per hook
- Wi‑Fi coverage extension capability
- Yes
- Scripts
- Yes
- MQTT
- Yes
- Encryption
- Yes
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