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CEMIG New ATS Dual-Power Automatic Transfer Switch SMGQ3-63 2P 3P 4P PC Type AC230V Household Manual Auto Operation

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Payment Terms: L/C,T/T,Western Union
Brand Name: CEMIG
Conventional setting current: 16A, 25A, 32A, 40A, 50A, 63A
Rated insulation voltage: 690V
Type: Automatic Transfer Switch
Place of Origin: Zhejiang China
Rated voltage: AC 400V
Max. Voltage: 440V
Max. Current: 250A
Frame current: 63A
Model Number: SMGQ3-63
Mechanical Life: 10000 Times
Pole: 2P/3P/4P
Packaging Detail: Paper carton & as your request
Cemig Electric Power Technology Co., Ltd.
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Product Description



            The dual-power automatic transfer switch (ATS) is a newly developed miniature household power transfer switch, mainly used to test whether the main power or backup power is normal. 

When the normal power is abnormal, the backup power will start work immediately to ensure the power will not be out of supply. 

      The ATS is suitable for emergency power supply systems of AC50 or 60Hz and rated voltage 400V. Its firm structure, reliable transfermation, easy installation and maintenance, and long life endow its wider application in the places that power off is disallowed. Both electric and operation and manual operation are available. The ATS is composed of TES and controller.

       According to the standard GB/T14048.11 Part 6-1: Multiple function equipment - Transfer switching equipment, we can know that ATS is the most suitable low-voltage switchgear and control device.

Technical Parameters


Working Conditions

1.Ambient air temperature

  Temperature should be within -5℃~40℃, and the average temperature within 24h should not exceed 35℃.


   Altitude of the installation site should not exceed 2000m.

3.Atmospheric conditions

   The relative humidity of the installation site should not exceed 50% at maximum temperature 40℃, and it will be higher at minimum temperature -5℃, for instance, 90% at +20℃. Please take measures for the dew on product surface caused by temperature change.

4.Class of pollution

   Pollution class of ATS meets the specified level of GB/T14048.11.

5.Installation category

   Installation category of ATS meets the specified category in GB/T14048.11


1.Manual/automatic operation 

   ATS with automatic operation can ensure power generation and power-off performances, but for ATS with manual operation , it cannot ensure the above performance due to the speed of power generation and power-off or operator differences. Excessive silver alloy loss may occur during manual power generation and power down. Therefore, set the selector switch at the manual position under normal condition, and pull it to the manual position when all power is turned off to check and maintain the operating system and contacts. After the manual operation is completed pull the selector back to the automatic position.

2.Control circuit

   ATS will be active in an instant. After the conversion is complete, the coils in the control circuit are disconnected by the internal converter. The coil can operate normally with a rated voltage of 80%~110%, and too low voltage may cause the coil to heat up or even ignite


Technical parameter


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Q: How and how long can I get a sample to check your quality?    can I expect to get the sample? 

A: After price confirmation, you can require for samples to check our quality. Then after you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 3-5 days. The samples will be sent to you via express and arrive in 3-5 workdays. You can use your own express account or prepay us if you do not have an account.


Q: Can you do the design for us?

A: Yes. Send us high resolution images, your Logo and text and tell us how you would like to arrange them, We will send you finished files for confirmation.


Q: What about the lead time for mass production?              

A: Honestly, it depends on the order quantity and the season you place the order. The best record we keep is delivering 100,000 mcb within a week. Generally speaking, We suggest that you start inquiry two months before the date you would like to get the products at your country.


Q: What kind of material we use?   

A: Fire-resistance plastic, red copper, 85%silver contact.


Q: Do you have inspection procedures for circuit breakers?   

A: 100% self-inspection before packing


Q: Can I have a visit to your factory before the order?  


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