Tamura Starting Autotransformers

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The three-phase starting autotransformer was developed to meet the need to reduce current peaks at the start of motors, avoiding high voltage drops in the power supply system.

Materials available for download:

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- Dry-type insulation, suitable for sheltered installation;

- In the standard powers of 5.0 to 400CV;

- For standard voltages up to 600V;

- Provide thermal safety through the use of thermal sensors;

- Mechanical robustness to support the electromechanical stresses related to the starting current of the motors, in the most varied application conditions;

- Connections of easy access;

- Supplied with IP00 degree of protection and a varnish coating, providing robustness in the protection against humidity, dust and corrosion, as well as protection against unwanted noise.

Isolation voltage class: 1.1 kV - Voltage applied to test: 3.0 kVrms

Temperature class: F (155°C) Temperature rise: 80°C ou 100°C

Room temperature: Maximum 40°C, minimum -5°C: average for 24h max. of 30°C

Overvoltage limit: Maximum of 5% (with rated current)

Altitude: maximum of 1000m

The three-phase starting autotransformer has been developed to meet the most demanding technical requirements, when starting motors using a compensating starter key.

Concordo em enviar meus dados para a Tamura Brasil para que sejam tratados de acordo com a Política de privacidade.