General breaker run (1) operating current, the maximum operating voltage does not exceed the rated breaking current. (2) In order to avoid close in on the point of failure, causing an explosion endangering the safety of the circuit breaker, the absolute prohibition of live manual mechanical closing, or manual operation of the circuit breaker button to switch on the spot. (3) the operation of the vacuum breaker breaker Huzhou prohibit manual mechanical or manual push button opening Yichang vacuum breaker, when the remote failure or too late when the remote can operate. Automatic reclosing, automatic reclosing function should be lifted. (4) one of the following circumstances, should a power outage overhaul: abnormal noise and severe fever; after accident trip, fuel injection is serious, oil blackened; breaking a short circuit interrupting capacity exceeded; breaking the fault current exceeds predetermined times; gas pressure or oil level is below the specified value. (5) prohibits the defective circuit breaker into operation. (6) indicates that, to demonstrate compliance with the circuit breaker operation. (7) that the auxiliary switch contact status and operating environment. Welcome to inquire buy! "Mistaken together" because the circuit breaker may have: a DC circuit CKS, minus two ground Wuhan vacuum circuit breakers, so closing the control loop is switched on. 2, the automatic reclosing of a component failure within the relay control circuit switched (such as internal error relay normally open contact closure), closing the circuit breaker. 3, closing the contactor coil resistance is too small vacuum circuit breakers, and the starter voltage is low, when the DC system instantaneous pulse will cause nuisance breaker closing. Xiangfan vacuum breaker _ Huayi Electric Power (certified) _ vacuum breaker provided by Xian Huayi power plant. Xian Huayi power plant (www.xahy.com) is a leader in Xi'an, high voltage circuit breakers, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Huayi power in leadership with the staff warmly welcome all inquiries negotiations to create electricity Huayi a better future.