WiFi smart circuit breaker with energy metering | 2P | 1–63A | DIN rail mounted | TUYA | remote on/off control | TOMZN TOB9L-63WIFI

Technical Specifications

Product: WiFi Smart Circuit Breaker
Model: TOB9L-63WIFI
Manufacturer: TOMZN
Poles: 2P (L + N)
Rated current: 1–63 A (adjustable)
Rated voltage: 120–280 V AC
Communication: WiFi 2.4 GHz
Platform: TUYA Smart
Mounting: 35 mm DIN rail
Certificates: CE
Function: circuit breaker + relay + energy meter
Disconnection: automatic / remote

Functions

Remote ON / OFF – allows control of the electrical circuit via smartphone from anywhere.
Energy consumption measurement – monitoring of current, voltage, power, and energy (kWh).
Overcurrent and leakage protection – automatic disconnection of the circuit in case of dangerous parameters.
Relay control (cut-off) – load is disconnected programmatically or automatically based on set limits.
Notifications and automation (TUYA) – ability to create scenarios, alerts, and timers.

Applications

For home users: monitoring household energy consumption, remote control of boiler, heating, EV charging, or other appliances, protection against overloads and emergency situations.
For electricians: quick DIN-rail installation, clear L+N disconnection (2P), simple smart control solution for clients.
For engineers / automation specialists: integration into the TUYA ecosystem, energy monitoring and analysis, smart load control in commercial or technical facilities.
For commercial and technical facilities: energy consumption monitoring, remote control of power lines, preventive protection, and automation.

Pros

Smart WiFi control
Real-time energy measurement
Safe 2-pole (L+N) disconnection
TUYA Smart integration
DIN-rail mounting
Wide current range up to 63 A

Cons

Works only with 2.4 GHz WiFi
TUYA account required
Designed for AC networks only (not DC)