
Tomzn TOB9-VAP 2P Smart Circuit Breaker with Metering & Protection
Multifunction smart circuit breaker with built-in metering, protection, and remote control. Designed for safe and intelligent power management in homes and commercial systems.
Specifications
| Model No. | TOB9-VAP | Structure | MCB |
| Poles | 2P | Type | Circuit Breaker |
| Rated Voltage | 90V – 300V AC | Frequency | 50 / 60 Hz |
| Functions | Overcurrent Protection Over / Under Voltage Protection Over Power Protection |
Metering | Voltage, Current, Power |
| Remote Control | ON / OFF via App | Timer Functions | Schedule Timer, Loop Timer |
| Relay Memory | Last Status After Power Loss | Connectivity | Wi-Fi 2.4GHz Only |
| Operating Temperature | −25°C to +70°C | Mechanical Life | > 100,000 Operations |
| Certification | CE | Dimensions | 9 × 5 × 8 cm |
| Brand | TOMZN | Origin | China |
Features
- Smart Remote Control: Turn power ON or OFF from anywhere using the Smart Life or Tuya app.
- Energy Monitoring: Built-in voltmeter, ammeter, and power meter for real-time usage tracking.
- Advanced Protection: Automatically trips on over-voltage, under-voltage, over-current, or over-power conditions.
- Timer & Automation: Supports scheduled and loop timers for automated operation.
- Memory Function: Restores last relay state after power failure.
Important Notes
- Supports Wi-Fi 2.4GHz only (not compatible with 5GHz networks).
- Works exclusively with Smart Life App or Tuya App.
- Not compatible with Home Assistant.
- Input wiring must be L + N from the top. L + L wiring is not supported.
Usage
Ideal for smart homes, offices, pumps, heaters, and power distribution systems requiring remote control, protection, and accurate electrical monitoring in one compact device.







