TOMZN Manuals & User Guides

TOMZN (Yueqing Tomzn Electric Co., Ltd.) is a professional manufacturer dedicated to low-voltage electrical distribution products and industrial control equipment. The brand is well-regarded for its extensive lineup of DIN-rail mounted components, which include smart WiFi circuit breakers, adjustable over/under voltage and current protectors, automatic transfer switches (ATS), and digital energy meters.

Designed for modern energy management, many TOMZN products feature integration with smart home platforms like Tuya and Smart Life, allowing users to remotely monitor and control their electrical systems via smartphones. Whether for residential solar setups, industrial safety, or home automation, TOMZN provides reliable solutions for circuit protection and power stability.

• How do I restore my TOMZN voltage protector to factory settings?

  For many socket models like the TOSVA-16, press the Set and Reset keys simultaneously for 2 seconds. For other DIN rail models, you may need to hold the down button for more than 12 seconds.

• What is the default over-voltage protection setting?

  On standard voltage protectors, the default over-voltage usage limit is typically set to 260V or 270V, though this is adjustable within the device's range (e.g., 230V-300V).

• Does the TOMZN WiFi smart switch support 5GHz WiFi?

  No, like most smart home devices, TOMZN WiFi breakers and switches typically require a 2.4GHz WiFi network for connection and configuration via the App.