ABB AF210-30-11 DC Contactor

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1. Product Overview

The ABB AF210-30-11 is a high-performance DC Contactor designed for industrial DC circuits, widely used in power systems, rail transport, battery energy storage, and automation equipment. This contactor enables high-frequency switching, ensuring safe connection and disconnection of DC loads. The AF210-30-11 features compact structure, long service life, high reliability, and strong overload capability, making it a key component in industrial control and power protection systems.

2. Technical Specifications

• Model: AF210-30-11

• Product Type: DC Contactor

• Rated Voltage: 110–220 V DC

• Rated Current: 210 A DC

• Contact Configuration: 3 NO (Normally Open) main contacts

• Coil Voltage: 110 V / 220 V DC selectable

• Mechanical Life: ≥ 1,000,000 operations

• Electrical Life: ≥ 200,000 operations (rated load)

• Operating Time: ≤ 25 ms

• Release Time: ≤ 15 ms

• Insulation Resistance: ≥ 100 MΩ

• Operating Temperature: -25 ℃ to +60 ℃

• Degree of Protection: IP20

• Mounting: Base bolt fixation

• Standards Compliance: IEC 60947-1, IEC 60947-4-1, CE

3. Advantages & Features

1. High Current Carrying Capacity
   Rated at 210 A DC, suitable for frequent switching of high-power loads.

2. Fast Response
   Operating time ≤ 25 ms, ideal for rapid switching and protection control.

3. Long Service Life
   Mechanical life ≥ 1,000,000 cycles, electrical life ≥ 200,000 cycles, reducing maintenance costs.

4. High Reliability
   Compact, vibration-resistant, and electromagnetic interference-resistant, suitable for industrial environments.

5. High Safety
   Overload capacity ensures safe disconnection under abnormal conditions.

6. Easy Installation
   Base bolt fixation design allows for quick installation and replacement.

4. Application Areas

The ABB AF210-30-11 DC Contactor is widely used in:

• DC power switching systems

• Battery storage control and protection

• Electric vehicles and rail transport control systems

• Industrial DC motor control

• Photovoltaic and wind power DC circuits

• Automation equipment DC control loops

5. Notes & Precautions

1. Ensure power is disconnected before installation to avoid electrical hazards.

2. Rated voltage and current must match load requirements to prevent damage.

3. Install in a dry, ventilated environment, avoiding dust, moisture, and corrosive gases.

4. Regularly inspect contacts and coils to ensure reliable switching.

5. Installation, commissioning, and maintenance should be performed by qualified electrical engineers.

6. Avoid long-term operation in strong electromagnetic interference environments; shielding may be required.