Patent ID: 10530225

Abstract:
The invention relates to a protection device for use in an electrical circuit of an electric machine, particularly an electric motor, having a holding device which is designed to receive an hold power supply devices for feeding the electrical current, the holding device being made of a first material with a first melting temperature T1, and temperature protection device, which is designed to protect the electrical circuit from an overtemperature and which is made of a second material with a second melting temperature T2, wherein the first material and the second material are selected, and/or the temperature protection device is arranged, in such a manner that the electrical circuit is automatically interrupted when at least one of the melting temperatures T1, T2 is reached, wherein the ratio of the first melting temperature T1 to the second melting temperature T2 is in range of greater than 1.2 to equal to 1.50. The invention also relates to an electrical drive arrangement having such a protection device.