TGQ1N series automatic transfer switch is suitable for three-phase four-wire dual power supply network with AC current 50Hz, rated working voltage of AC400V, rated working current up to 800A, to automatically connect one or more load circuits from one power supply to another, ensuring the normal power supply of the load circuit. This product is suitable for industrial places, commercial places, residential buildings and other important places.
This product complies with standard IEC 60947-6-1.


Working environment conditions:

1.1 Ambient air temperature: the ambient air temperature shall be not higher than +40ºC but shall not lower than -5ºC, with the average temperature within 24h not exceeding +35ºC;

1.2 Altitude: The altitude of the installation site should be not more than 2,000m;

1.3 Atmospheric conditions: the relative humidity of atmosphere shall not exceed 50% at the maximum ambient temperature of +40ºC, and a higher relative humidity is allowed at the lower temperature. For example, the relative humidity can reach 90% at +20ºC. Special measures shall be taken for occasional condensation due to temperature changes.

1.4 Pollution class: The pollution class of 63 frame is Level 2; the pollution class of 125 and above frames is Level 3.

1.5 Installation category: IV.

1.6 Inclination of installation: The product is fixed and installed in the cabinet, with the maximum inclination of ±22.5°.

Model TGQ1N-63 TGQ1N-125 TGQ1N-160 TGQ1N-250320TGQ1N-400630 TGQ1N-800
Standards IEC60947-6-1
Executive circuit breaker TGB1N-63 TGB3H-63 TGM1N-125 TGM1N-160 TGM1N-250320TGM1N-400630 TGM1N-800
Current specifications (A) 10162025324050631620253240506380100125100125140160160180200225250280300315350250315350400500630630700800
Rated working voltage (Ue) AC400V 50Hz
Rated insulation voltage (Ui) AC 500V AC 800V
Rated impulse withstand
    voltage (Uimp) 
4kV 8kV
Pole number 3P/4P



Zhejiang Tengen Electric Co., Ltd.

Sulv Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province, China, 325699

+86 21 3119 8727

Copyright ©2024 Zhejiang Tengen Electric Co., Ltd.


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