Resistance Requirements For The Main Conductive Circuit Of The Sf6 Circuit Breaker Operating Mechanism
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Check and measure the resistance of each phase's main conductive circuit. The contact resistance is related to the pressure between the contacts. Within a certain range, the greater the pressure, the smaller and more stable the sf6 circuit breaker operating mechanism contact resistance. Generally, the sf6 circuit breaker spring mechanism contact resistance should not exceed 80uΩ.
