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An Essential Device in Electrical Power Control

A contactor is an electrical switching device used for switching an electrical circuit on or off.<br><br>Primarily designed for high current load applications.<br><br>Commonly used in industrial, commercial, and residential electrical systems.

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An Essential Device in Electrical Power Control

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  1. An Essential Device in Electrical Power Control

  2. Project analysis slide 11 • A contactor is an electrical switching device used for switching an electrical circuit on or off. • Primarily designed for high current load applications. • Commonly used in industrial, commercial, and residential electrical systems.

  3. Project analysis slide 11 • Construction of a Contactor Electromagnet (Coil): Creates a magnetic field when energized. Contacts: Conduct current when closed (power contacts, auxiliary contacts). Enclosure: Provides insulation and protection. Arc Suppression System: Controls arc when switching.

  4. Project analysis slide 11 • Working Principle • When the coil is energized, it produces a magnetic field. • The magnetic field pulls the armature, closing the contacts. • Current flows through the main circuit. • When coil supply is cut off, contacts open and current stops.

  5. Project analysis slide 11 • Types of Contactors • AC Contactors – Used for AC circuits. • DC Contactors – Designed for DC applications. • Magnetic Contactors – Widely used in automation and motor control. • Definite Purpose Contactors – For HVAC, lighting, and appliances.

  6. Project analysis slide 11 • Advantages Provides remote control of circuits. Handles high power loads efficiently. Quick switching with reduced wear and tear. Ensures safety and reliability. Can be integrated with protective relays and automation systems.

  7. Thank You www.aeliyamarinetech.com sales@aeliyamarinetech.com +91-9725218537

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