TKDW Intelligent Air Circuit Breaker

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The TKDW intelligent air circuit breaker is suitable for use in the distribution network with the rated frequency of AC 50Hz or 60 Hz, the rated working voltage of 400 or 690V, the rated insulation voltage of 1000V, and the rated working current up to 6300A. It is used to distribute power and protect lines and electrical equipment against overload, undervoltage, short circuit, single phase grounding, and other faults.

Equipped with many kinds of intelligent controllers, our product has complete protection functions. The communication controller has communication interfaces, through which the controller can be connected with fieldbus to realize remote measurement, remote signaling, remote control, and remote adjustment. In addition, by simplifying the structure, the circuit breaker can be used as an isolating switch or isolator.

1. Standards Compliant
IEC 60947-2:2006 and GB 14048.2-2008 Low Voltage Switchgear and Control Equipment – Circuit Breaker

2. Service Environment and Installation Conditions

Altitude of installation site	≤ 2000m
Ambient temperature	-5℃~ 40℃ 24-hour average temperature ≤ 35℃ If the product needs to work in environment with temperature beyond the above range, customers should discuss with us.
Humidity	≤ 50% at 40℃ At lower temperatures, higher humidity is allowed. For example, humidity is allowed to reach 90% at 20℃. Special measures should be taken for occasional condensation caused by humidity changes.
Pollution degree	3
Protection class	IP40
Installation category	Main circuit: IV Auxiliary circuit: III Undervoltage release coil and power transformer primary coil: IV
Maximum vertical inclination	≤5°
Use category	B
Transport and storage conditions	-25℃～ 55℃ 70℃ within 24 hours

Related Names
Tandem Breaker | Smart Breaker | Safety Electrical Device

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