ABB 70BK02C-E AC Contactor

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1. Product Overview

ABB 70BK02C-E AC Contactor is an industrial-grade AC contactor designed to control AC motors, lighting, and other loads. It features high reliability, long mechanical and electrical life, and excellent performance, suitable for industrial automation control systems, distribution boards, and motor control centers (MCC). Its compact design allows easy installation and maintenance and stable operation in harsh industrial environments.

2. Technical Specifications

• Model: 70BK02C-E

• Product Type: AC Contactor

• Rated Current: 9 A (AC-3, 400 V)

• Rated Operational Voltage: AC 690 V

• Poles: 3 main poles, auxiliary contacts optional

• Coil Rated Voltage: 24 V DC / AC (other voltages optional)

• Mechanical Life: ≥ 10,000,000 operations

• Electrical Life (AC-3): ≥ 100,000 operations

• Operating Method: Electromagnetic actuation

• Mounting Method: Screw or DIN rail

• Degree of Protection: IP20

• Operating Temperature: -25 ℃ to +60 ℃

• Standards Compliance: IEC / EN 60947-4-1

3. Advantages and Features

1. High Reliability
   Designed for industrial environments, ensuring long-term stable operation.

2. Compact Design
   Saves installation space, suitable for control panels and distribution boards.

3. Versatile Applications
   Can control motors, lighting, and other low-voltage loads.

4. Safe and Reliable
   Stable contact separation ensures safety of equipment and systems.

5. Easy Installation and Maintenance
   Supports screw or DIN rail mounting for system integration and maintenance.

6. Industrial-Grade Robustness
   Resistant to vibration and high temperature, suitable for harsh industrial sites.

4. Typical Applications

• Industrial automation systems

• Motor Control Centers (MCC)

• Distribution boards and low-voltage switchgear

• Factory production line and machinery control

• HVAC systems, pumps, and fans

• OEM industrial control devices

5. Installation and Usage Notes

1. Verify coil voltage matches the system before installation.

2. Wiring should be performed by qualified personnel to ensure reliable connections.

3. Avoid operation beyond rated temperature or in high-humidity environments.

4. Use with appropriate overload and short-circuit protection devices.

5. Disconnect power before maintenance or contactor replacement.