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WRDQ3NM Dual Power ATS

WRDQ3NM series intelligent dual power auto transfer switch (brief as ATS) suitable for emergency power supply system with rated AC voltage 400V, 50/60Hz.

Feature

Working Conditions

• Ambient temperature: -20℃ ~ +50℃ ; 24hours average not more than +50℃ ;
• Atmospheric conditions: humidity not more than 50% at max. +50℃ , higher humidity is allowed at lower temperature, at most wet month, the average max humidity is 90% at the
  average min temperature +35℃ , and have considered the condensation on the productsurface due to temperature variation.
• Altitude: Not more than 2000m;
• Pollution Class: The installation site environment pollution Class 3.

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WRDS2 Series Auto transfer switch

Modularized design, enhance the power supply continuity, energy saving effect is better than other similar product.

Feature

WRDS2 Series Auto transfer switch mainly used for electric distribution network or motor network with rated voltage 380V, 50Hz, DC rated voltage 220V, rated current 16A to 3200A, change over between main power and backup power system, power grid and genset. Meanwhile can be used as isolation of unfrequency making and breaking circuit.

It is widely used in the transmission and distribution system and automation system of the important place which not allow power cutoff such as firefighting, Hospital, Bank, high building etc.

Working Conditions

• Ambient temperature: -20℃ ~+50℃; 24hours average not more than +50℃ ;
• Atmospheric conditions: humidity not more than 50% at max.+50℃, higher humidity is allowed at lower temperature, at most wet month, the average max humidity is 90% at the average min temperature +35℃ , and have considered the condensation on the product surface due to temperature variation;
• Altitude: Not more than 2000m;
• Pollution Class: The installation site environment pollution Class 3.

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WRDS3 Series PC class dual power auto transfer switch

Feature

WRDS3 Series PC class dual power Auto transfer switch, mainly used in two way power supply system with rated voltage below 400V, AC 50/60Hz, rated current up to 630A, when one power supply abnormal, then it transfer between two power supply system, to ensure the power supply reliablity and safety.

Working Conditions

• Ambient temperature: -20℃ ~+50℃ ; 24hours average not more than +50℃ ;
• Atmospheric conditions: humidity not more than 50% at max. +50 ℃ , higher humidity is allowed at lower temperature, at most wet month, the average max humidity is 90% at the average min temperature +35℃ , and have considered the condensation on the product surface due to temperature variation;
• Altitude: Not more than 2000m;
• Pollution Class: The installation site environment pollution Class 3.