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Classification of the Impact Drill
source:Industry News release time:2020-12-01 Article author:Rosit Popular:Air band saw
The impact drill and the ordinary electric drill are hand-held electric tools. They are divided into three categories according to the methods of electric shock protection.
Class I tools not only rely on their own basic insulation for protection against electric shock, but also include additional safety precautions, such as the use of leakage protectors, safety isolation transformers, or the operator wearing insulating gloves and insulating shoes. 2MΩ insulation resistance is required between the live parts of class I tools and the shell.
Class II tools not only rely on their own basic insulation in terms of protection against electric shock, but also provide additional safety precautions such as double insulation or reinforced insulation, and are equipped with protective grounding or measures that depend on installation conditions. An insulation resistance of 7MΩ is required between the live parts and the shell of the II tools.
Class III tools rely on safe voltage power supply in terms of protection against electric shock, so that no voltage higher than the safety extra-low voltage is generated inside the tool. The insulation resistance between the live parts and the shell is required to have 1MΩ.
Rosit is a leader in the global power tool service market.We take electric, pneumatic and hydraulic drive technology as the core. Our product categories mainly include hand tools, instruments, workshop equipment and fixed tools, labor protection products, industrial equipment,chemicals and so on.
At the same time, we provide customers with a series of system solutions and communication channels to help customers improve procurement, inventory, logistics and management costs.
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