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PT trolley for 12kv 24kv switchgear cabinet
The handcart is a small car, the extraction part of the central part of the switchgear, and the main electrical components in the switchgear are installed on it, which is what people usually call the handcart. There are generally two types of PT handcarts and switches (circuit breakers). The handcart is also called a small car. Take the switch handcart as an example. In the case of a switch disconnection, the guide rail can be used to pull it out of the switchgear for maintenance or replacement.
The main components on the handcart are primary electrical equipment such as circuit breakers and transformers. It has three positions in the switchgear: work/test/disconnect.
The function of the isolation handcart and the isolation switch is the same, mainly for the inspection and repair of the incoming line with obvious fractures, and to prevent misoperation. The isolation handcart itself has electrical and mechanical locking. When the main circuit is electrified, the locking electromagnet is electrified. The ones that can't be shaken can prevent misoperation. Between the upper and lower contacts is a conductive rod or copper bar, and the visible port of the main circuit is realized through the plum contact to achieve isolation.
| Rate current(A) | Match static contactor dimension(mm) |
| 630 | 35 |
| 1250 | 49 |
| 1600 | 55 |
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