Magnetic pneumatic box

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                                                        Magnetic pneumatic box


                                                        1. Purpose and main functions


                                                        It is suitable for three-phase motor, 50 Hz motor, and DC motor. Starting box has direct starting, star delta starting, autotransformer starting or variable frequency soft starting. There are two types of starting box: wall mounted box type and floor cabinet type, and two protection levels of ip22t and IP44 are optional.


                                                        2. Model meaning



                                                        3. Circuit diagram code


                                                        11: Direct start, irreversible, manual control
                                                        12: Direct start, irreversible, manual - automatic control
                                                        13: Direct start, irreversible, manual control with remote control
                                                        14: Direct start, irreversible, manual automatic control with remote control
                                                        21: direct start, reversible, manual control
                                                        22: direct start, reversible, manual automatic control
                                                        31: Y - △ start, manual control
                                                        32: Y - △ start, manual automatic control
                                                        41: autotransformer primary start, automatic control
                                                        42: autotransformer primary starting, manual automatic control
                                                        43: two stage starting of autotransformer, automatic control
                                                        44: multi stage starting of autotransformer with step-down resistor, automatic control

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