ABB OSJ200B4-280 Disconnect Switch Kit

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1. Overview

The ABB OSJ200B4-280 Disconnect Switch Kit is a high-performance safety disconnect component for low- and medium-voltage electrical systems. It is primarily used for safe circuit isolation during maintenance and repair, ensuring that power systems and equipment remain de-energized during operations. The OSJ200B4-280 features a modular design for easy installation and is suitable for industrial, commercial, and distribution system applications.

2. Technical Specifications

3. Advantages and Features

1. Safe Isolation – Ensures circuits are completely de-energized during maintenance or repair.

2. High Durability – Mechanical life ≥10,000 cycles for frequent operation.

3. Modular Design – Facilitates quick installation and system expansion.

4. Multi-Pole Control – 3P main contacts allow simultaneous three-phase circuit disconnection.

5. Industrial Reliability – Flame-retardant housing and durable contacts suitable for industrial environments.

6. Easy Maintenance – Simple manual operation allows easy daily inspection and upkeep.

4. Applications

• Industrial low- and medium-voltage distribution systems

• Motor Control Centers (MCC)

• Industrial machinery and production line isolation

• Renewable energy systems (solar, wind)

• Commercial and building electrical distribution

• Equipment maintenance and safety isolation

5. Installation and Maintenance Notes

1. Use Within Rated Parameters – Do not exceed rated current and voltage to ensure safe operation.

2. Environmental Conditions – Operating temperature -25–55°C; avoid high humidity and dust.

3. Manual Operation Safety – Ensure load is disconnected before operation and wear appropriate protective gear.

4. Regular Inspection – Check for contact wear, mechanical operation, and secure fastening.

5. Installation Standards – Follow the manual for wiring and mounting to prevent looseness or misoperation.

6. Professional Maintenance – Servicing and disassembly should be carried out by qualified electrical engineers.

The structure and details of the product：

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