ABB 1SCA022731R8230 Rotary Disconnect Switch

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1. Product Overview

The ABB 1SCA022731R8230 Rotary Disconnect Switch is a manual isolation device for low-voltage distribution systems. It provides safe power disconnection or circuit isolation to protect electrical equipment and personnel during maintenance. The switch features a rotary handle with clear ON/OFF indication, supporting both panel and DIN rail mounting, suitable for industrial, commercial, and building low-voltage distribution systems.

2. Technical Specifications

• Model: 1SCA022731R8230

• Product Type: Rotary Disconnect Switch

• Rated Current: 25 A

• Rated Voltage: AC 400 V / DC 250 V

• Poles: 3

• Operation: Rotary handle with clear ON/OFF indication

• Mechanical Life: ≥ 10,000 operations

• Rated Insulation Voltage: 690 V

• Mounting: Panel mount / DIN rail mount

• Degree of Protection: IP20

• Operating Temperature: –25 ℃ to +60 ℃

• Standards: IEC 60947-3 / CE

3. Advantages and Features

1. Safe and Reliable
   Provides reliable isolation with clear ON/OFF indication via rotary handle.

2. Easy Operation
   Manual rotary operation allows quick power disconnection or restoration.

3. Modular Design
   Can be combined with circuit breakers, contactors, or other devices for system flexibility.

4. Industrial Durability
   High mechanical and electrical life suitable for frequent industrial operation.

5. Flexible Installation
   Supports panel or DIN rail mounting for easy integration into distribution cabinets.

4. Applications

• Industrial low-voltage distribution systems

• Building distribution and control systems

• Power isolation in distribution and switchgear panels

• Electrical maintenance and emergency power disconnection

• Factory automation and machinery safety operation

5. Installation and Usage Notes

1. Ensure rated current and voltage match the system before installation.

2. Perform wiring and installation with power disconnected to ensure safety.

3. Verify the handle moves freely with correct rotation angle to prevent misuse.

4. Regularly inspect switch status and wiring reliability for long-term safe use.

5. Avoid direct use in high humidity, dusty, or corrosive environments; provide protective covers if necessary.