What Is the Difference Between a High-voltage Isolation Handcart and a High-voltage Fuse Handcart?
2024-09-03 11:41:02
High-voltage isolation handcart and high-voltage fuse handcart are one of the indispensable components in the center cabinet. They have many similarities and differences.
Similarities:
1. The dimensions are the same.
2. Same appearance.
The main difference is the function:
1. Isolation handcart: The working principle/function of the isolated handcart is the same as that of the isolating switch. The main reason is that the incoming line has an obvious disconnection point during maintenance to prevent misoperation. The isolated handcart itself has electrical and mechanical locks. , When the main circuit is electrified, the lock electromagnet is electrified, and the handcart cannot be shaken to prevent misoperation. Secondly, there is a conductive rod or copper bar between the lower contacts, which is visible to the main circuit through the plum contact Port, so as to achieve isolation.
2. Fuse handcart: The function of the fuse handcart is that the fuse passes the load current during normal power supply. When the load circuit is overloaded or short-circuited, after the current exceeds the specified value for a certain period of time, the heat generated by the fuse itself will melt A device that quickly cuts off the circuit when the body melts. The fuse is installed on the handcart to facilitate the replacement and maintenance of the fuse. This greatly improves the safety of our fuse replacement
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