Description

TOB9S-63WIFI only can cut off L

General

TOB9S-63WIFI is a three‑phase four‑wire Wi‑Fi smart circuit breaker that allows remote ON/OFF control of the three live lines (L1, L2, L3) simultaneously via the TUYA/SmartLife app. The neutral line (N) is not switched and remains continuously connected. It supports a wide input voltage range of AC180–450V, making it compatible with 3×120V or 3×230V systems. Rated for 1‑63A at 50/60Hz, it offers multiple smart functions including timer, countdown, relay status, light mode, maintenance lock, and alarm history review. Designed for easy installation on a 35mm DIN rail, this breaker is ideal for remote power management in residential, commercial, and industrial applications.

Parameters

Product Model: TOB9S-63WIFI
Product Type: Wi-Fi smart circuit breaker (3-phase 4-wire)
Remote Control App: TUYA / SmartLife
Control Mode: Simultaneous ON/OFF switching of L1, L2, L3 only (N always connected)
Rated Voltage Range: AC180-450V (supports 3×120V or 3×230V)
Rated Current Range: 1-63A
Frequency: 50/60Hz
Functions: Timer, countdown, relay status, light mode, maintenance lock, alarm history
Wireless Network: 2.4GHz only (not for 5G)
Installation: 35mm DIN rail
Application: Remote power switching for residential, commercial, and industrial systems

Note: This meter Only supports 2.4G Wireless Network, NOT for 5G.