PURPOSE: A disconnection test device is provided to improve speed of a test work and to improve portability. CONSTITUTION: A disconnection test device includes test pin set unit(110), a power supply unit, and a disconnection notification unit(130). The test pin set unit is formed with one pair of metal bars combining the upper part and separating the lower part. The power supply unit is mounted on the upper part of the test pin set unit and supplies power. The disconnection notification unit performs light emission operation or sound generation operation according to occurrence of disconnection using electric energy supplied from the power supply unit.
