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close this bookCircuits, Formulas and Tables Electrical Engineering - Basic vocational knowledge (Institut für Berufliche Entwicklung, 201 p.)
close this folder5. Contactor Circuits
View the document5.1. Types of Excitation of the Control
View the document5.2. Possibilities of Representing Contactor Circuits
View the document5.3. Reversing Contactor Circuits
View the document5.4. Arc Extinguishing Circuits
View the document5.5. Three-contactor Star-delta Connection
View the document5.6. Squirrel-cage Induction Motor
View the document5.7. Sliping Rotor
View the document5.8. Interference Suppression
View the document5.9. Light-current Controlled Power Plant with Impulse Relay

5.3. Reversing Contactor Circuits


control current - pulse locking


Circuit diagrams for reversing contactor circuits (pulse locking)

To be used for single drives only, circuit is not safe!


Circuit diagrams for reversing contactor circuits (pulse and holding current locking)


reversing contactor circuit - push - button locking


Circuit diagrams for reversing contactor circuits (Push-button locking)


Circuit diagrams for reversing contactor circuits (Push-button locking arranged as rapid change-over circuit; suitable for smaller motors only)


Reversing contactor circuit with star-delta starting main circuit


Circuit diagram for the control of the reversing contactor circuit with star-delta starting