Mi Home Smart RCBO 2P product image
IOTB2-LM

Mi Home Smart RCBO

Product name
Mi Home Smart RCBO
Product model
IOTB2-LM
Communication
WiFi / Mi Home App
Rated voltage
AC220/230V (2P/single-phase) / AC380/400V (4P/three-phase)
Rated frequency
50/60Hz
Current range
6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A
Section

Core functions

App ecosystem connection

Aimed at connection to the Mi Home or Tuya ecosystem, and suitable for power management in homes and small commercial premises.

Remote control

Supports status monitoring, switching control, and device-function settings from a mobile device.

Energy-use statistics

Combines energy data with load status to help assess day-to-day power use.

Residual-current and abnormal-condition protection

Supports alerts and protection settings for residual current, overload, over- and under-voltage, overtemperature and other faults.

Section

Product details

Mi Home Smart RCBO

Applications

The Mi Home smart RCBO is used for home and small commercial circuits. It connects to the Mi Home App over 2.4GHz WiFi and suits final-circuit branches such as lighting, sockets, water heaters and air conditioning.

Selection overview

Item
Product name
Specification
Mi Home Smart RCBO
Item
Connectivity
Specification
Mi Home App / WiFi 2.4GHz
Item
Poles
Specification
2P / 4P
Item
Current specification
Specification
6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A
Item
Trip curve
Specification
Curve C / Curve D
ItemSpecification
Product nameMi Home Smart RCBO
ConnectivityMi Home App / WiFi 2.4GHz
Poles2P / 4P
Current specification6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A
Trip curveCurve C / Curve D

Model configuration

Category
2P
Model/Specification
IOTB2-[rated current]/2LM
Current / modules
6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A; width 54mm
Category
4P
Model/Specification
IOTB2-[rated current]/4LM
Current / modules
6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A; width 90mm
CategoryModel/SpecificationCurrent / modules
2PIOTB2-[rated current]/2LM6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A; width 54mm
4PIOTB2-[rated current]/4LM6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A; width 90mm

Technical parameters

Item
Applicable standards
Specification
CQC1149-2020; GB/T16917.1-2014
Item
Rated operational voltage and frequency
Specification
AC220/230V; 380/400V; 50/60Hz
Item
Control method
Specification
Manual and automatic control
Item
Breaking capacity
Specification
6kA
Item
Standby power consumption
Specification
<3W
Item
Tripping time
Specification
≤0.1s; short-circuit trip ≤0.04s
Item
Ambient temperature / degree of protection
Specification
-20 °C to +70 °C; IP20
Item
Certifications
Specification
CCC / CE / CQC / SRRC
ItemSpecification
Applicable standardsCQC1149-2020; GB/T16917.1-2014
Rated operational voltage and frequencyAC220/230V; 380/400V; 50/60Hz
Control methodManual and automatic control
Breaking capacity6kA
Standby power consumption<3W
Tripping time≤0.1s; short-circuit trip ≤0.04s
Ambient temperature / degree of protection-20 °C to +70 °C; IP20
CertificationsCCC / CE / CQC / SRRC

Mi Home App onboarding process

Item
Network provisioning method
Specification
Mi Home App; WiFi 2.4GHz; keeping the device 2-6m from the router is recommended
Item
Provisioning action
Specification
10 seconds after the device is powered on, press and hold the button for 7 seconds; the green indicator flashes rapidly to show the device is in provisioning mode.
Item
App onboarding
Specification
Connects to the Mi Home App; can be used for circuits such as home lighting, sockets, water heaters, and air conditioning
Item
Instructions for use
Specification
After provisioning, users can open and close the breaker, view its status and review energy-use data.
Item
Network loss and power restoration
Specification
The previous switching state is retained after power loss; the device reconnects automatically within seconds after power is restored, without re-pairing.
ItemSpecification
Network provisioning methodMi Home App; WiFi 2.4GHz; keeping the device 2-6m from the router is recommended
Provisioning action10 seconds after the device is powered on, press and hold the button for 7 seconds; the green indicator flashes rapidly to show the device is in provisioning mode.
App onboardingConnects to the Mi Home App; can be used for circuits such as home lighting, sockets, water heaters, and air conditioning
Instructions for useAfter provisioning, users can open and close the breaker, view its status and review energy-use data.
Network loss and power restorationThe previous switching state is retained after power loss; the device reconnects automatically within seconds after power is restored, without re-pairing.

Functions

  • Mi Home App control; supports status viewing, remote opening and closing, and energy-use statistics.
  • Supports power-on state memory, overcurrent protection, energy-use statistics and fault alerts.
  • Supports protection against over- and under-voltage, residual current, overtemperature and other faults.