Home  >  Products  >  JOBET Low Voltage Apparatus  >  Distribution Series

JBTQ2 Automatic Transfer Switch (PC Class)


JBTQ2 series automatic transfer switch is mainly used for AC 50Hz, rated voltage 400V, rated current 16A to 1600A in the distribution or motor network of one main and one standby or alternate backup power switching system and generator set load switching.Products are widely used in fire fighting, hospitals, banks, high-rise buildings and other important power supply places that do not allow power outages in power transmission, distribution and automation systems.


Applicable environment

· The ambient temperature shall not exceed + 35 °C for 24h;

· Atmospheric conditions: the relative humidity of the atmosphere shall not exceed 50% when the maximum ambient temperature is + 40 °C, and there can be higher humidity at lower temperature, which is in the month of the wettest month When the average minimum temperature is + 25 °C, the average maximum relative humidity of the month is 90%, taking into account the condensation on the surface due to temperature changes.

· Altitude: the altitude of the installation site shall not exceed 2000m;

· Pollution level: the environmental pollution level of the installation site is level 3.


Applicable Standard



Model Explanation


Product Categories

According to the frame current, there are: 100A, 250A, 630A, 1600A

According to the rated current, there are:

JBTQ2-100 : 16A、20A、25A、32A、40A、63A、 80A、 100A、125A ;

JBTQ2-250 : 125A、140A、160A、180A、200A、225A、250A ;

JBTQ2-630 : 315A、400A、500A、630A ;

JBTQ2-1600: 800A、1000A、1250A、1600A.

According to the number of poles, there are: 3P, 4P;

According to the type of controller, there are: A type, B type, C type, D type, F type;

According to the conversion method, there are: automatic switching and automatic recovery, automatic switching and non automatic recovery.