CONTACTORS FOR SALE

Contactors are heavy-duty electrical switches that play a crucial role in industrial and commercial applications by controlling large electrical loads.

They are widely used for starting, stopping, and reversing electric motors in pumps, compressors, conveyors, and machine tools. Contactors also control large lighting systems, including streetlights, stadium lighting, and industrial work areas, and are essential for switching high-voltage power lines in power distribution systems. Additionally, they are vital for controlling HVAC equipment like chillers, air conditioners, and ventilation systems, and they play a key role in controlling the welding current and ensuring smooth operation of welding equipment.

MAIN COMPONENTS OF A CONTACTOR

A contactor consists of several key components:

• Electromagnet: The heart of the contactor. When energized, the electromagnet creates a magnetic field that attracts an armature, which then opens or closes the main contacts.

• Contacts: These are the actual conductors that make or break the electrical circuit. They are typically made of silver or copper alloys for excellent conductivity and wear resistance.

• Armature: A movable part that is attracted by the electromagnet. It is linked to the contacts, opening or closing the circuit depending on its position.

• Coil: This is the winding that creates the magnetic field in the electromagnet. It is typically made of copper wire and receives a low-voltage control signal.

• Spring: Provides the force that keeps the contacts open when the electromagnet is not energized.

• Enclosure: Protects the internal components from dust, moisture, and other environmental factors.

CONTACTOR TYPES: CLASSIFICATION

Contactors come in a variety of configurations to meet diverse needs. To find the right contactor for your application, understanding the different classifications is crucial.

Contactor Types by Action

Contactors are essentially electrically controlled switches. Their action is classified based on how the contacts behave when energized or de-energized.

• Normally Open (NO): This is the most common type. The contacts are open when the contactor is de-energized and close only when the coil is energized. Think of it like a light switch; it's off until you flip it on.

• Normally Closed (NC): The contacts are closed when de-energized and open only when the coil is energized. This is like a safety switch that is normally on but can be turned off when needed.

Contactor Types by Amperage

This classification refers to the maximum current the contactor can safely handle. Here are some common ranges:

• 6A - 60A: These contactors are typically used for smaller motors, lighting circuits, and other light-duty applications.

• 75A - 90A: These handle larger motors and higher power applications.

Contactor Types by Coil Voltage

The coil voltage refers to the voltage required to energize the contactor's coil. Common voltages include:

• 24V Contactors: Used in low-voltage control systems and often with safety features.

• 120V Contactors: Common for residential and light commercial applications.

• 208/240V Contactors: A standard voltage used in many industrial settings.

• 480V Contactors: A common voltage for heavy-duty industrial applications.

Contactor Types by Application

This classification refers to the specific purpose the contactor is designed for.

• Motor Control: Contactors specifically designed for starting, stopping, and reversing electric motors.

• Lighting Control: Used for controlling large lighting systems.

• Power and Pilot Duty: Contactors suitable for both power switching and pilot circuits (control signals).

• Air Conditioners: Contactors designed for use with air conditioning systems.

IEC Contactors: Global Standards for Safety and Reliability

IEC contactors are designed to meet rigorous global standards set by the International Electrotechnical Commission. This ensures:

• Global Compatibility: Seamless operation across different countries, ideal for international projects.

• High Safety: Strict safety requirements to protect people and equipment.

• Reliable Performance: Consistency and dependability in demanding industrial settings.

We know that finding the right contactor is essential for your projects, whether you're working on a small residential job or a large-scale industrial application. That's why Blackhawk Supply offers over 1000 contactors, covering a wide range of applications and power requirements, ensuring you have the right solution for any need.

TOP CONTACTOR BRANDS WE CARRY AT BLACKHAWK SUPPLY

We partner with leading manufacturers who are renowned for their commitment to quality and innovation. This means you can trust that our contactors are built to deliver dependable performance and safety, no matter the demands of your project.

We are proud to offer contactors from these brands:

• Mars Controls: A leading provider of HVAC controls and components, Mars Controls contactors are engineered for reliability and efficiency in air conditioning and heating systems.

• Schneider Electric: A global specialist in energy management and automation, Schneider Electric offers robust and reliable contactors for industrial and commercial applications, known for their advanced features and safety standards.

• Square D: A trusted name in electrical distribution and control, Square D contactors are built to handle demanding applications, offering durable construction and high performance.

BUY QUALITY CONTACTORS AT BLACKHAWK SUPPLY!

Don't settle for anything less than the best when it comes to your electrical projects. Choose Blackhawk Supply for a wide selection of high-quality contactors from leading manufacturers. We're confident you'll find the perfect solution for your needs.

And to give you peace of mind, we offer a 60-day return policy on all our contactors. Plus, enjoy free delivery on orders over $999!

Browse our extensive selection online to find the perfect fit for your next project.