SONOFF MINI PM Zigbee energy meter 3.0 16A without relay
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SONOFF MINI PM Zigbee energy meter (without relay) | MINI-ZB1GP
Compact SONOFF MINI-ZB1GP in-wall module, an energy meter communicating via the Zigbee 3.0 standard. The device allows for real-time monitoring of power consumption from the grid and energy production from photovoltaic installations, enabling detailed control over your household budget. This module is intended for measurement purposes only and does not have a built-in relay.
Key features:
- Bi-directional energy measurement: monitoring grid consumption and production from home solar panels.
- No built-in relay: continuous circuit power supply, ideal for constant load monitoring.
- Advanced reporting: up to 180 days of measurement history with support for time-of-use tariffs and precise cost calculation.
- Intelligent device monitoring: notifications about the completion of work for connected appliances (support for up to 16 A).
- Extensive protection: overcurrent, overvoltage, undervoltage, and overload protection.
- Zigbee 3.0 signal repeater: support for a stable mesh network with a range of up to 250 m in Turbo mode.
Full cost control and seamless integration
By tracking consumption based on tariff intervals and time, you can easily detect the most expensive appliances to operate and implement savings. Bi-directional measurement immediately reports the profits from renewable energy sources. The device works seamlessly with Open-Source platforms, significantly expanding smart building management capabilities. For proper installation, a box with a minimum depth of 60 mm is recommended.

Connection diagram

Technical specification
- Series: MINI Extreme Series Gen5
- Model: MINI-ZB1GP
- Microcontroller: EFR32MG21
- Wireless protocol: Zigbee 3.0 (IEEE 802.15.4)
- Supply voltage: 100-240V AC 50/60Hz
- Maximum load (current): 16 A
- Power measurement range: 0 - 3840 W
- Recommended installation wire: 18 AWG - 14 AWG (0.75 mm² to 2.5 mm²), solid copper wire only (SOL/STR)
- Operating temperature: -10°C to 40°C
- Ambient humidity: 10% - 90% RH (non-condensing)
- Dimensions: 32 x 29 x 15,9 mm
- Net weight: 14 g
- Housing material: Flame-retardant polycarbonate (PC)

Kit contents
Note: A compatible Zigbee gateway is required for proper operation and communication within the system.
Frequently Asked Questions (FAQ)
- Does the MINI-ZB1GP have a relay inside?
No, the MINI-ZB1GP module is designed exclusively for current measurement and does not have a built-in relay. The device does not cut off power to connected circuits. - Is energy consumption data saved when the device loses connection to the Zigbee network?
Yes. After losing connectivity (switching to offline mode), measurement data is still saved in the module's local memory. It will be synchronized with the cloud as soon as the connection is restored. Cutting off the physical power supply to the module itself stops statistics logging. - Can the device measure power production from solar panels mounted on a balcony?
Yes, the device supports bi-directional measurement. In the dedicated mobile app, you can configure the generated power as a negative value to correctly read the energy balance. - Does the device require a neutral wire (N) connection?
Yes, a full installation including a neutral wire is required for the module to function correctly.



