Product Description：
The GW4-252 type perfect and improved isolating switch is a double-column opening level, with a maximum AC 50Hz outdoor high-voltage electrical appliance. It provides zinc-free switching of high-voltage lines and electrical isolation of damaged high-voltage busbars, brackets and other equipment from live high-voltage lines.
This product is available in the following different specifications.
According to whether there is a grounding switch, it can be divided into: no grounding, left grounding, right grounding, and double grounding. Equipped with JW7-252 two-step action perfect and improved grounding switch.
Details of Product
GW4-252 perfect and improved isolating switch includes three single poles, each pole has a double-pillar structure, and is mainly composed of a base, a pillar insulator, and a conductive part. Each pole has two insulating pillars, which are respectively on the bearing seats at both ends of the base and connected by cross-links. The conductive gate blade is divided into two halves and fixed on the pillar insulator respectively. The contact of the contact is in the middle of the two supports.
When the operating mechanism acts, one column of the pillar insulator is driven to rotate 90°, and the other insulator also rotates 90° due to the connecting rod transmission, so the blade opens and closes to one side. There is a mechanical interlocking device between the isolating switch and the grounding switch.
The isolating switch is made into a single-pole type, and three-pole operation is realized through the inter-pole connecting rod. The main knife is equipped with the CJ6A perfect and improved electric mechanism, and the floor knife is equipped with the CSG perfect and improved human mechanism. The CSG human mechanism can be equipped with the new DSW4 electromagnetic lock according to user requirements.
Features:
1. The U-shaped contact finger and the new contact finger seat structure are adopted to avoid the characteristics of the original structure that are not conducive to stable flow, and the contact finger is insulated from the spring to avoid the failure of the spring due to long-term heating.
2. It adopts a fully sealed structure bearing seat, and the bearing surface is coated with a sufficient amount of disulfide base grease to ensure reliable long-term operation. 3. A fixed soft connection is used between the terminal seat and the terminal block, and insulated bushings are used at the upper and lower ends of the terminal block. Ensure reliable flow and flexible rotation.
4. The main floor knives all adopt 180 degree operating mechanism, and the active arms are in the dead position when the opening and closing positions are in place, effectively ensuring the reliability of the main floor knives when they are in the opening and closing positions.
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