Tuya Smart RCBO 2P product image
IOTB2-LT

Tuya Smart RCBO

Product name
Tuya Smart RCBO
Product model
IOTB2-LT
Communication
WiFi / Tuya 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

Tuya Smart RCBO

Applications

The Tuya smart RCBO is used in Tuya App ecosystem projects and suits the international app version, multilingual use, and power management for homes and small commercial premises.

Selection overview

Item
Product name
Specification
Tuya Smart RCBO
Item
Connectivity
Specification
Tuya 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 nameTuya Smart RCBO
ConnectivityTuya 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]/2LT
Current / modules
6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A; width 54mm
Category
4P
Model/Specification
IOTB2-[rated current]/4LT
Current / modules
6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A; width 90mm
CategoryModel/SpecificationCurrent / modules
2PIOTB2-[rated current]/2LT6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A; width 54mm
4PIOTB2-[rated current]/4LT6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A; width 90mm

Technical parameters

Item
Applicable power supply
Specification
Indoor use, AC50/60Hz; 2P / 4P; rated current not exceeding 80A
Item
Communication and provisioning
Specification
WiFi 2.4GHz + Bluetooth provisioning
Item
Control method
Specification
Manual and automatic control
Item
Breaking capacity
Specification
6kA
Item
Residual-current protection
Specification
25mA pre-alarm, 30mA trip, configurable
Item
Mechanical / electrical endurance
Specification
Mechanical endurance ≥30000 operations; electrical endurance ≥6000 operations
Item
Installation environment
Specification
-5 °C to 45 °C; altitude ≤2000m; 1-35mm² conductors; DIN rail
Item
Certifications
Specification
CCC / CE / CQC / SRRC
ItemSpecification
Applicable power supplyIndoor use, AC50/60Hz; 2P / 4P; rated current not exceeding 80A
Communication and provisioningWiFi 2.4GHz + Bluetooth provisioning
Control methodManual and automatic control
Breaking capacity6kA
Residual-current protection25mA pre-alarm, 30mA trip, configurable
Mechanical / electrical enduranceMechanical endurance ≥30000 operations; electrical endurance ≥6000 operations
Installation environment-5 °C to 45 °C; altitude ≤2000m; 1-35mm² conductors; DIN rail
CertificationsCCC / CE / CQC / SRRC

Tuya App onboarding process

Item
Network provisioning method
Specification
Tuya App; WiFi 2.4GHz + Bluetooth provisioning; keeping the device 2-6m from the router is recommended
Item
Provisioning steps
Specification
Select the 2.4GHz WiFi network your phone is connected to and enter the password to complete provisioning and binding
Item
Ecosystem support
Specification
Supports the Tuya App and is compatible with Alexa, Google Assistant, Baidu Xiaodu and Xiaozhi Guanjia voice control
Item
Instructions for use
Specification
After provisioning, you can open and close the breaker, view status, track energy statistics, share the device and receive abnormality alerts.
Item
Network loss and power restoration
Specification
The previous switching state is retained after power loss; the device comes back online automatically within seconds after power is restored, with no need to repeat network provisioning.
ItemSpecification
Network provisioning methodTuya App; WiFi 2.4GHz + Bluetooth provisioning; keeping the device 2-6m from the router is recommended
Provisioning stepsSelect the 2.4GHz WiFi network your phone is connected to and enter the password to complete provisioning and binding
Ecosystem supportSupports the Tuya App and is compatible with Alexa, Google Assistant, Baidu Xiaodu and Xiaozhi Guanjia voice control
Instructions for useAfter provisioning, you can open and close the breaker, view status, track energy statistics, share the device and receive abnormality alerts.
Network loss and power restorationThe previous switching state is retained after power loss; the device comes back online automatically within seconds after power is restored, with no need to repeat network provisioning.

Functions

  • Remote control through the Tuya App, with multi-language support, sharing with multiple users and status viewing.
  • Supports energy-use statistics, remote open and close, and operating-status viewing.
  • Supports over- and under-voltage, residual-current, overtemperature, overcurrent, overload and short-circuit protection.