GRL Offers the new HD11F-200A knife switch, Meet the Electrical Performance of the Distribution Boxes of China Southern Power Grid projects
Partners that grow together
High-quality standards promote the quality improvement of GRL knife switch products.
Client Introduction
China Southern Power Grid Co., Ltd. is responsible for the investment, construction and operation of regional power grids in southern China. It has several subsidiaries mainly engaged in the manufacture of complete sets of equipment, and ranks 91st in the Fortune Global 500.
The knife switch products of GRL Electric are widely used in the distribution boxes of China Southern Power Grid projects.
Client Needs
In the early stage of cooperation, there are many key factors that GRL Electric’s old-fashioned knife switch could not meet the requirements. In terms of performance, taking HD11-200A as an example, the short-term withstand current must reach 10kA, the temperature rise performance must be less than 65K. In terms of structure, in order to facilitate wiring, the knife switch must match the size of the short circuit.
Solution
GRL Electric can make huge changes to the knife switch.
In the material, the use of flame retardant, anti-static insulation materials to ensure safe use.
In order to meet the electrical performance of the knife switch, GRL Electric has changed the contact structure of the knife switch, and completely adopts the red copper material. After testing, the new HD11F-200A knife switch, the short-time withstand current meets 10kA, and the temperature rise outside the cabinet is less than 45K.
In order to improve the user experience, GRL changed the contact position to match the molded case circuit breaker, and there is no need to bend the wires when wiring.
Cooperation
GRL has become a subsidiary of China Southern Power Grid and a stable supplier of original knife switches. At the same time, because of the excellent quality of GRL knife switches, it has also gained an excellent reputation in projects in other fields.
Make progress together and achieve a win-win situation!
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本文由梨花落风转载自GRL Official Website，原文标题为:China Southern Power Grid Company Limited，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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