Disclosed is a circuit protection device including a case, a first negative temperature coefficient thermistor which is accommodated in the case and includes a first resistant heating element, a pair of electrodes installed on both sides of the first resistant heating element, and a first lead wire and a second lead wire withdrawn from the pair of electrodes, respectively, a thermal fuse which is accommodated in the case and includes a thermal fuse body and a third lead wire and a fourth lead wire connected to both ends of the thermal fuse body, respectively, and a second negative temperature coefficient thermistor which is accommodated in the case and includes a second resistant heating element, a pair of electrodes installed on both sides of the second resistant heating element, and a fifth lead wire and a sixth lead wire withdrawn from the pair of electrodes, respectively.