The JYB-I type digital comprehensive motor protection relay adopts the internationally recognized 48 × 96DIN panel installation method for its external dimensions. It is equipped with a current transformer (5A) for secondary circuit installation. Its notable feature is high current setting accuracy, which can lock and display the motor current at the moment of tripping. It is aesthetically pleasing and functional, and is particularly suitable for installation in complete sets of equipment such as drawer cabinets.