Hongfa mandatory guidance relay is widely used in automobile manufacturing, elevators, machine tools, plastic molding machines, packaging machinery, stamping and forging, etc. it can realize the monitoring and control of safety door, control cabinet and emergency stop switch, so as to ensure the normal operation of the safety control system and protect the safety of both people and machine.

                            Injection molding machine:

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                     Lift:

The safety module is composed of several relays and circuits. The safety function unit with redundant circuit is constructed by the contact force oriented relay and logic circuit. The purpose of this design is to complement each other's abnormal defects, thus to achieve a correct and low maloperation relay complete function, making less error, creating more safety.

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