EPCOS can offer a suitable ThermoFuse varistor for a range of applied voltages, starting at 130V and increasing to a maximum of 460V for the ETFV14 and 20mm series. The ETFV25 series can even reach 420V. This means that all the usual supply voltages such as 120V in the USA and 230V in Europe can be covered. Other voltages available upon request.