Contactors

Functions of Contactor

- Power switching – Controls the flow of electricity to high-power devices like motors, lighting systems, and heaters
- Circuit protection – Helps protect electrical equipment by preventing overload conditions when combined with overload relays
- Frequent switching – Designed for frequent opening and closing of circuits without damage or excessive wear
- Automation integration – Used in industrial automation systems to control machinery and production processes

How a Contactor Works?

A contactor consists of three main components:
1. Coil (Electromagnet) – Generates a magnetic field when energized, causing the switch contacts to open or close
2. Contacts – Carry power across the circuit. These include power contacts and springs, ensuring proper current flow
3. Enclosure – Protects internal components from external hazards like dust, moisture, and accidental contact

Types of Contactor

- AC contactor – Designed to operate with alternating current (AC) loads such as lighting, HVAC systems, and industrial machinery
- DC contactor – Used for direct current (DC) applications, such as battery systems, electric vehicles, and solar power setups
- Miniature magnetic contactors – compact versions of standard contactors, designed for use in space-constrained environments like control panels, small machinery, and home automation systems

Your Trusted Contactors Supplier in Singapore

ElectGo is a distributor of contactors in Singapore. We distribute contactor products from ABB, OMRON, SCHNEIDER ELECTRIC, FUJI ELECTRIC, SIEMENS, and more. Start browsing now!

Popular Range of Contactors on ElectGo

1. ABB Contactors

2. Schneider Electric Contactors