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Contactor

Contactor
Your Professional Contactor Supplier

 

We are a leading contactor manufacturer, importer, exporter and distributor of industrial control products and AC/DC fans in Taiwan. We are committed to providing total solutions for distributed energy saving in industrial facilities, commercial or residential buildings, and providing customers with one-stop shopping, nationwide operations and complete after-sales consultation with local services.

 

Why Choose Us

Industry-leading distributor

We are a leading importer, exporter and distributor of power distribution products, industrial control products and AC/DC fans in Taiwan.

 

Abundant product line

We offer a wide range of products, including power fuses, capacitors, power distribution equipment, industrial controllers, and AC/DC fans, to meet the needs of different sectors, covering power distribution systems for industrial, commercial, and residential buildings.

Perfect service system

With 33 years of experience in the industry, RST provides customers with a complete after-sales consultation of one-stop shopping, nationwide operations and local services,

A safe and efficient turnkey solution

I provide safe and reliable products and services to make electricity management more convenient, safe and efficient

 

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Advantages of Contactor
 

Handling high currents

Contactors is used to control large currents, which make them suitable for controlling heavy-duty electrical loads like motors, heaters, and lighting circuits etc.

Arc suppression

Many contactors provide features such as arc chutes or magnetic blowouts to subdue arcs when contacts open, increase safety and extend contact life.

Compact design

They are available in different sizes and configurations, which make suitable for flexibility in installation and space-saving designs.

Longevity

By doing proper maintenance and care, contactors can have a long operational life, and make it cost-effective for long-range duration.

 

Contactor LC1D150M7 Schneider

 

Applications of Contactor

Motor control
Contactors are often used to control the operation of electric motors. They can turn motors on or off and, in some cases, provide additional features such as motor reversing or speed control.

 

Lighting control
Contactors are used to control large lighting fixtures, such as stadium lights or streetlights. They allow for centralized control and can handle the high currents required for these applications.

 

Hvac systems
Contactors are often used in heating, ventilation, and air conditioning (hvac) systems. They control the flow of current to components such as compressors, fans, and motors in hvac units.

 

Industrial machinery
Contactors are used to control a variety of electrical components and systems in industrial machinery and equipment. They provide reliable switching and control for motors, pumps, conveyors, and other heavy electrical loads.

 

Power distribution
Contactors are sometimes used in power distribution systems to control the flow of current between different circuits or to isolate parts of a system for maintenance or safety purposes.

 

All You Need to Know Before Purchasing an Electrical Contactor

 

Electrical load
The first factor to consider is the electrical load that the contactor will handle. Determine the current rating and voltage requirements of your system. It's crucial to select a contactor that can handle the specific load to prevent overheating or failure. Make sure to check the manufacturer's specifications and choose a contactor with an appropriate ampere rating and voltage compatibility.

 

Contact configuration
Contactors come in different configurations, including normally open (no), normally closed (nc), or changeover. Consider the requirements of your electrical system and select a contactor with the appropriate contact configuration. For instance, no contactors are commonly used for switching on motors, while nc contactors are suitable for safety applications where power needs to be cut off in case of an emergency.

 

Coil voltage
Coil voltage is another crucial factor when choosing an electrical contactor. The coil voltage should match the control voltage available in your system. Common coil voltages include 24v, 120v, or 240v. Using a contactor with the wrong coil voltage can lead to malfunction or failure, so ensure compatibility between the control voltage and the contactor's coil voltage.

 

Environmental considerations
Consider the environmental conditions in which the contactor will operate. If the contactor will be exposed to dust, moisture, or extreme temperatures, select a contactor with appropriate environmental ratings such as nema (national electrical manufacturers association) or ip (ingress protection) ratings. These ratings indicate the level of protection the contactor offers against environmental factors.

 

Brand reputation and quality
Choose contactors from reputable brands known for their reliability and quality. Research and read customer reviews to gauge the performance and durability of the contactors. Investing in a reliable and well-known brand May cost more initially but can save you money in the long run by avoiding frequent replacements or repairs.

 

Auxiliary contacts and accessories
Consider whether you require additional features such as auxiliary contacts or accessories. Auxiliary contacts allow for additional control or signaling functions in your electrical system. Some contactors also offer optional accessories like overload relays or surge suppressors, which can enhance the functionality and protection of your system. Evaluate your needs and choose a contactor that offers the desired auxiliary contacts or compatible accessories.

 

Compliance with standards
Ensure that the contactor meets the necessary safety and performance standards for your region. Look for certifications such as ul (underwriters laboratories), csa (canadian standards association), or iec (international electrotechnical commission) to ensure the contactor meets the required standards and regulations.

 

 

We Offer Contactor Options

Shape
With our custom service, you can choose the size and shape of your vacuum contactor. Just give us the size and structure you need and we will deliver.

 

Material
At RST, you are free to choose the material you need for your custom vacuum contactor. Just send us the design of the vacuum contactor and the indication of the material you need and we will do the rest.

 

Technical parameters
Our customers have the right to decide the number of poles and rated current they prefer. RST follows the gb3906 and iec298 manufacturing standards, so rest assured that the vacuum contactors we produce meet global standards.

 

Package
Even for the packaging of the vacuum contactor, you are free to choose the material that suits your product. You can choose wooden boxes, cartons or pallets.

We pay attention to your problems and excel in providing customized solutions that suit your business. Through our supply network and resources, we can manufacture and source vacuum contactors to improve your operations and solve specific problems.

LC1D09BD

 

 
FAQ
 

 

Q: What are contactors?

A: Contactors are a type of relay that allows direct current (dc) electricity to pass through them in only one direction. They are used in applications such as solar photovoltaic systems, battery charging systems, and power supplies.

Q: How do contactors work?

A: Contactors consist of a series of conductive discs (contacts) that are mechanically operated by a handle and spring assembly. The handle moves the contacts so they either close (make contact) or open (break contact). The contacts remain closed as long as the handle is pulled in the “on” direction, but when the handle returns to its original position, it disengages from the operating mechanism and allows them to open automatically via spring force.

Q: Where are contactors used?

A: Contactors are used for switching high-voltage direct current circuits, including power transmission and distribution, industrial machinery and processes, and drive systems.

Q: How many types of contactors are there?

A: A contactor is a switch with multiple sets of contacts that can be used in different applications. These contacts are split into two categories: Stationary and movable. A stationary contact remains in the same position, while a movable contact moves according to the position of the switch. The different contactors are auxiliary contact, power contact, and contact spring.

Q: Do you offer a custom contactor?

A: The short answer is yes, we do offer a custom contactor. The long answer, however, is that custom contactors are far more expensive than standard ones and can be very difficult to design and manufacture. That’s because the custom component must be designed specifically for the application in which it will be used, which is impossible without knowing what exactly that application will be. If you still have questions on whether or not we can fulfill your custom contactor needs, give us a call.

Q: Do you have a warranty for your contactors?

A: There are a number of factors that affect the warranty, but our standard warranty for new rst contactors is 18 months. Before the end of this period, any defective components will be replaced free of charge, as long as the cause of failure was not due to improper installation or use.

As one of the most professional contactor suppliers, we warmly welcome you to buy original contactor in stock here from our factory. All our products are with high quality and competitive price. For more information, contact us now.

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