Minimum QTZ63 tower crane special electric box open for many A
Tower crane (tower crane) is called tower crane, also known as tower crane, originated in Western europe. A revolving crane mounted on top of a tall tower. The working space is large, mainly used for the vertical and horizontal transportation of materials and the installation of building components during the building construction. It consists of three parts: metal structure, working mechanism and electrical system. The metal structure includes the tower, the boom and the base. The working mechanism has four parts, lifting, luffing, turning and walking. The electrical system consists of motors, controllers, power distribution cabinets, connecting lines, signals and lighting devices, etc..
Minimum QTZ63 tower crane special electric box for 100A circuit breaker. The maximum lifting weight is: 6T; lifting torque: 63kN; m; tower crane lifting height is 40m (independent), 140m (attachment); power: 31.7 kW; work range: 2---57m.
QTZ63 tower crane with air and leakage protection:Minimum three-phase air switch not less than 100A; at the same time leakage protector is not less than 100A three-phase four wire system leakage protection.Maximum three-phase air switch not greater than 150A; at the same time, leakage protector is not more than 150A of three-phase four wire system leakage protection.