The electric motor has been designed for operation on a 230-240V AC 50 Hz power supply. 230-240V AC means your tool will operate on alternating current at a voltage range from 230-240V. As little as 10% lower operating voltage (or incorrect mains Hz frequency) can cause loss of power and overheating. All JCB tools are factory tested. If this tool does not operate check the power supply. Make sure your power supply agrees with the voltage specified on the product rating label. Mazing provides JCB products across its network of e-commerce platform are widely acknowledged in the market for their high quality. We are dedicatedly involved in providing an excellent quality.