TOMZN TOB9S-63NCWIFI 4P WIFI Circuit Breaker AC3*120V 3*230V 1-63A CUT OFF L N Timer Countdonwn Relay Status Maintenance Lock

TOB9S-63NCWIFI can cut off both L and N.

General

TOB9S-63NCWIFI  is a three‑phase four‑wire intelligent device that allows remote ON/OFF control of three live lines (L1, L2, L3) and the neutral line (N) simultaneously via the TUYA/SmartLife app. 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, and maintenance lock. Alarm history can be reviewed directly from the app. Designed for easy installation on a 35mm DIN rail, this breaker is ideal for remote power management in residential, commercial, and industrial applications.

Parameter

Product Model: TOB9S-63NCWIFI

Product Type: Wi-Fi smart circuit breaker (3-phase 4-wire)

Remote Control App: TUYA / SmartLife

Control Mode: Simultaneous switching of L1, L2, L3, and N

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

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