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How Does the TB388 Mechanical Time Switch Support Daily Electrical Control Applications in Brazil?

Explore how the TB388 Mechanical Time Switch supports daily electrical control in Brazil for panels, lighting, pumps and auxiliary equipment with 24-hour scheduling, DIN rail installation and flexible voltage options.
Aug 24th,2026 7 Views

1. Why do Brazilian engineers need reliable daily weather monitoring?

In Brazilian factories, commercial buildings and agricultural establishments, lighting, pumps and auxiliary appliances often work on schedule. Manual switching increases the workload and unnecessary working time. The reliable Mechanical Time Switch allows you to automate the repetitive connection/stop with a simple 24-hour cycle.

2. How is the TB388 compatible with electrical panel applications?

2.1 Daily control inside the electrical panels

The TB388 can serve as a mechanical time switch for electrical panel applications, such as:

  • Commercial distribution panels

  • Tax cabinets for industry

  • Construction panels

  • Control of auxiliary equipment

Its 24-hour cycle allows engineers to adjust their daily working hours without complicated command logic.

2.2 Simple mechanical planning

As a DIN rail mechanical time switch, it uses a mechanical dial with 96 switching segments and timed quartz.

It also offers an ON/AUTO/OFF manual control, a switching status indicator and a power reserve, for easy daily adjustment and maintenance.

Mechanical Time Switch

3. Where can I use the TB388 lighting and pump applications?


3.1 Automatic lighting control

Used as a mechanical timer switch for lighting control, the TB388 can:

  • Warehouse lighting

  • Commercial building lighting

  • Factory Lighting Assistant

  • Outdoor lighting

  • Signal lighting

As a 24 hour mechanical time switch, it is suitable for lighting systems that repeat the same work program daily.

3.2 Water pump and irrigation control

The TB388 can also be used as a mechanical timer switch for water pump applications, including:

  • Irrigation pumps

  • Systematic water circulation

  • Container Filling Systems

  • small pumping stations

The TB388 offers switching power of up to 20A/250V for resistance loads and 12A/250V for induction loads at cosφ = 0.6.

For engines with higher starting current, engineers should use an appropriate electromagnetic connector or switch.

Mechanical Time Switch

4. How does TB388 industrial and commercial equipment work?


4.1 Temporary use of auxiliary devices

The Mechanical Time Switch may control apparatuses that do not require continuous operation, such as:

  • Ventilation Ventilation

  • Equipment for circulation

  • Auxiliary devices

  • Kleine Machinery

  • Commercial electric charges

This reduces unnecessary start-up times while maintaining a simple method of taxation.

4.2 Flexible voltage for Brazilian projects

The TB388 supports AC 100-240V, 50/60Hz and AC/DC 12-24V.

For engineers looking for a 220V mechanical timer switch, the TB388 can operate in a certain voltage band.

Its 300-hour power reserve also helps maintain the weather during temporary power outages.

Mechanical Time Switch

5. Why choose TB388 for Brazilian projects?

The TB388 Mechanical Time Switch ensures easy 24-hour operation of electrical panels, lighting, pumps and auxiliary appliances.

For Brazilian projects, you can contact ATST Electrical with the necessary voltage, load type, current and schedule to confirm the appropriate configuration.

Compay: WENZHOU HEYI ELECTRICAL CO.,LTD
Brand: HEYI/ASCT
Contact: Bethy
E-mail: heyi@heyiele.com
Tel: 86-13968747975