OVERLOAD PROTECTION DEVICE AND THERMAL MAGNETIC ADJUSTABLE TRIP UNIT FOR A BREAKER COMPRISING THE SAME

摘要

An overload protection device, comprising: a first heating band (i.e. terminal), a second heating band, a bimetallic strip, and a litzendraht wire; the lower part of the first heating band is mechanically connected to the lower part of the bimetallic strip; and the two ends of the litzendraht wire are respectively and mechanically connected to the upper part of the second heating band and the upper part of the bimetallic strip.

主权项

1. An overload protection device, characterised in that the overload protection device comprises:
a first heating band; a second heating band; a bimetallic strip; a litzendraht wire; a lower part of the first heating band is mechanically connected with a lower part of the bimetallic strip; two ends of the litzendraht wire mechanically connect with an upper part of the second heating band and an upper part of the bimetallic strip respectively.