OVERCURRENT CUTOFF DEVICE, AND OVERCURRENT DETECTING ELEMENT TO BE USED FOR OVERCURRENT CUTOFF DEVICE

摘要

Provided is an overcurrent cutoff device (10) that is provided with: a heat generating unit (21) that is placed serially within a path that starts from a battery (B) of a vehicle and reaches, via a wire, a motor (M), and a heat sensing unit (24) that has a characteristic responsive to the heat received from this heat generating unit (21). The overcurrent cutoff device (10) cuts off overcurrent by activating a switching element (13) on the basis of a signal corresponding to the temperature, obtained from the heat sensing unit (24), and is provided with an overcurrent detecting element (20) that has the heat generating unit (21) and the heat sensing unit (24) integrally covered by a resin molding section (30).