ABS plasticHoist switch shell is made of ABS plastic die-casting with beautiful appearance and reasonable structure.and dustproofEquipped with rubber cable sleeve and strip for good and performance.Good performanceSimplifies the circuit and effectively the of the circuit and equipment, high mechanical strength and collision Emergency stop switch and mechanical interlock, andFunctionWith self-resetting performance, crane button has a positive and negative control mechanical interlocking mechanism.Suitable forMainly suitable for small cranes, electric hoists, cranes and other equipment, etc.FunctionWith self-resetting performance, crane button has a positive and negative control mechanical interlocking mechanism.