采用电子消弧电路取代传统的消弧继电器，提高了消弧延时的精确性和可靠性。
It also indicates that the accuracy and reliability of time retardation for arc extinction can be increased by replacing traditional extinction relay with electron extinction circuit.
NAMD Q采用国内独创复合式消弧电路电子消弧机械消弧，大大提高了装置的使用寿命和稳定性。
NAMDQ USES domestic original compound arc suppression circuit (electronic arc extinction + mechanical arc), greatly improving the device life and stability.
NAMD Q采用国内独创复合式消弧电路电子消弧机械消弧，大大提高了装置的使用寿命和稳定性。
NAMDQ USES domestic original compound arc suppression circuit (electronic arc extinction + mechanical arc), greatly improving the device life and stability.
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