ABB AF300-30-11-70 3-pole contactor

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ABB AF300-30-11-70 3-Pole Contactor Product Information

Overview:

The ABB AF300-30-11-70 is a high-performance 3-pole contactor designed for controlling high-current loads in electrical systems. It is widely used in industrial electrical systems and offers excellent switching performance and long-term stability. This contactor is capable of efficiently handling high-frequency start-stop operations, making it suitable for complex industrial control and automation applications. With its reliable quality and flexible application options, the AF300 contactor is an essential component in modern industrial control systems.

Detailed Specifications:

• Model: AF300-30-11-70

• Poles: 3 Poles

• Rated Voltage: 400V AC

• Rated Current: 300A

• Contactor Type: Electromagnetic Contactor

• Rated Current: 300A (for AC-3 application category)

• Control Voltage: 24V DC / 110V AC / 230V AC (Various voltage options available)

• Auxiliary Contacts: 1 Normally Open and 1 Normally Closed contact

• Mounting Type: DIN rail or screw mounting

• Protection Class: IP20 (Suitable for general industrial environments)

• Maximum Switching Frequency: 1200 operations per hour

• Operating Temperature Range: -25°C to +55°C

• Dimensions: 160mm (Width) x 180mm (Depth) x 155mm (Height)

• Weight: Approximately 3.2 kg

• Certifications: IEC 60947-4-1, UL/CSA Certified

Advantages and Features:

1. High Rated Current Capacity
   The AF300-30-11-70 contactor offers a rated current of up to 300A, making it ideal for controlling high-power loads and ensuring stable operation of electrical systems.

2. Excellent Switching Performance
   This contactor is designed to handle high-frequency switching operations, up to 1200 operations per hour, making it perfect for applications that require frequent start-stop cycles.

3. High Reliability and Stability
   The AF300 contactor uses ABB's advanced technology and high-quality materials, providing high stability and durability, ensuring long-term use in harsh industrial environments.

4. Flexible Voltage Options
   The contactor offers a range of control voltage options (24V DC, 110V AC, 230V AC), meeting the needs of different control systems and providing flexibility during installation.

5. Support for Extended Functions
   The AF300 contactor supports additional accessories, such as auxiliary contact modules and relays, allowing for customization and meeting specific control requirements.

6. Energy-Efficient Design
   The contactor is designed with energy efficiency in mind, helping to reduce overall energy consumption and meeting modern industrial demands for energy-saving solutions.

Applications:

1. Industrial Automation Control
   Widely used in industrial automation systems for controlling motors, electric heaters, pumps, and other high-power equipment in production lines and machinery.

2. Power Distribution Systems
   Used in power systems, particularly in switchgear and distribution boards, for overload protection and control of high-current loads.

3. HVAC Systems
   Applied in HVAC (Heating, Ventilation, and Air Conditioning) systems to control large air conditioning units and motors, ensuring stable system operation.

4. Refrigeration and Cold Chain Management
   Used for the control of refrigeration equipment, such as in cold storage facilities, ensuring the reliable operation of temperature-controlled systems.

5. Building Electrical Systems
   Used in commercial and industrial buildings to control electrical systems such as lighting, elevators, and automated doors.

The structure and details of the product：

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