Electrical protection component having a thermal short-circuit device
An electrical protection component having a short-circuit device is disclosed. In an embodiment an electrical protection component includes a short-circuiting device including a surge arrester including electrodes and a thermal short-circuiting device including a clip, a first section of which is snapped onto the surge arrester and a second section of which comprises a short-circuiting link, wherein the short-circuiting link of the clip is spaced apart from at least one of the electrodes by a fusible element, wherein the short-circuiting link electrically conductively connects two of the electrodes to one another when the fusible element melts, and wherein the fusible element has a melting point of at least 300 degrees Celsius.
1. An electrical protection component comprising:
a short-circuiting device comprising:
a surge arrester comprising electrodes; and
a thermal short-circuiting device comprising a clip, a first section of which is snapped onto the surge arrester and a second section of which comprises a short-circuiting link,
wherein the short-circuiting link of the clip is spaced apart from at least one of the electrodes by a fusible element clamped between the surge arrester and the short-circuiting link,
wherein the short-circuiting link is configured to electrically conductively connect two of the electrodes to one another when the fusible element melts,
wherein the fusible element has a melting point of at least 300 degrees Celsius,
wherein the clip is snapped onto the surge arrester in a region of one of the electrodes having a first width, and
wherein the first section has a recess with a second width corresponding to the first width.
2. The electrical protection component according to claim 1 , wherein the fusible element is a lead-free solder bead.
3. The electrical protection component according to claim 1 , wherein the fusible element comprises bismuth, tin and antimony.
4. The electrical protection component according to claim 3 , wherein the fusible element comprises 25-35% bismuth, 25-35% tin and 30-50% antimony.
5. The electrical protection component according to claim 3 , wherein the fusible element comprises 27-31% bismuth, 27-31% tin and 38-46% antimony.
6. The electrical protection component according to claim 1 , wherein the clip is one-piece.
7. The electrical protection component according to claim 1 , wherein the first section encompasses more than half of a circumference of the surge arrester.
8. The electrical protection component according to claim 1 , wherein the second section is formed by an axial widened portion of a clip end.
9. The electrical protection component according to claim 1 , wherein the electrodes of the surge arrester comprise a central electrode and two side electrodes arranged on end sides, and wherein the clip is snapped onto the surge arrester in a region of the central electrode.
10. The electrical protection component according to claim 9 , wherein the first section comprises the recess with the second width corresponding to a width of the central electrode.
11. The electrical protection component according to claim 10 , wherein the fusible element is arranged between the second section and the central electrode.
12. The electrical protection component according to claim 9 , wherein the short-circuiting link is spaced apart both from the central electrode and from the side electrodes.
13. The electrical protection component according to claim 1 , wherein the second section comprises a mount for the fusible element.
14. An electrical protection component comprising:
a short-circuiting device comprising:
a surge arrester comprising electrodes; and
a thermal short-circuiting device comprising a clip, a first section of which is snapped onto the surge arrester and a second section of which comprises a short-circuiting link,
wherein the short-circuiting link of the clip is spaced apart from at least one of the electrodes by a fusible element that is clamped between the surge arrester and the short-circuiting link,
wherein the short-circuiting link is configured to electrically conductively connect two of the electrodes to one another when the fusible element melts,
wherein the fusible element has a melting point of at least 300 degrees Celsius,
wherein the fusible element comprises 25-35% bismuth, 25-35% tin and 30-50% antimony,
wherein the clip is snapped onto the surge arrester in a region of one of the electrodes having a first width, and
wherein the first section has a recess with a second width corresponding to the first width.
15. An electrical protection component comprising:
a short-circuiting device comprising:
a surge arrester comprising electrodes; and
a thermal short-circuiting device comprising a clip, a first section of which is snapped onto the surge arrester and a second section of which comprises a short-circuiting link,
wherein the short-circuiting link of the clip is spaced apart from at least one of the electrodes by a fusible element,
wherein the short-circuiting link is configured to electrically conductively connect two of the electrodes to one another when the fusible element melts,
wherein the second section comprises a mount for the fusible element,
wherein the clip is snapped onto the surge arrester in a region of one of the electrodes having a first width, and
wherein the first section having a recess with a second width corresponding to the first width.
16. The electrical protection component according to claim 15 , wherein the fusible element comprises 25-35% bismuth, 25-35% tin and 30-50% antimony.
17. The electrical protection component according to claim 15 , wherein the fusible element comprises 27-31% bismuth, 27-31% tin and 38-46% antimony.
18. An electrical protection component comprising:
a short-circuiting device comprising:
a surge arrester comprising electrodes; and
a thermal short-circuiting device comprising a clip, a first section of which is snapped onto the surge arrester and a second section of which comprises a short-circuiting link,
wherein the short-circuiting link of the clip is spaced apart from at least one of the electrodes by a fusible element,
wherein the short-circuiting link is configured to electrically conductively connect two of the electrodes to one another when the fusible element melts,
wherein the clip is snapped onto the surge arrester in a region of one of the electrodes having a first width, and
wherein the first section has a recess with a second width corresponding to the first width.
19. The electrical protection component according to claim 18 , wherein the fusible element comprises 25-35% bismuth, 25-35% tin and 30-50% antimony.
20. The electrical protection component according to claim 18 , wherein the fusible element comprises 27-31% bismuth, 27-31% tin and 38-46% antimony.