ABB OTM63F4CMA230V Motorized Changeover Switch

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1. Product Overview

The ABB OTM63F4CMA230V Motorized Changeover Switch is an automatic power transfer device for low-voltage electrical systems, allowing fast and safe switching between main and backup power sources. The device operates with a 230V AC motorized actuator for remote or automatic control, ensuring continuous power supply and system reliability. Rated at 63 A, the OTM63F4CMA is suitable for dual-source switching in industrial, commercial, and building distribution systems.

2. Technical Specifications

• Model: OTM63F4CMA230V

• Product Type: Motorized Changeover Switch

• Rated Current: 63 A

• Rated Voltage: AC 400 V

• Poles: 4

• Operation: Motorized (230 V AC actuator)

• Mechanical Life: ≥ 10,000 operations

• Electrical Life: ≥ 6,000 operations (rated load)

• Control Mode: Manual / Motorized switching

• 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. Automated Switching
   Motorized operation enables automatic main/backup power switching for continuous supply.

2. Dual Operation Modes
   Supports both manual and motorized control for flexible operation.

3. High Safety
   Clear ON/OFF indication ensures reliable isolation and personnel protection.

4. Industrial Durability
   High mechanical and electrical endurance suitable for frequent industrial switching.

5. Flexible Installation
   Panel or DIN rail mounting allows easy integration into distribution cabinets.

4. Applications

• Dual-source power systems in industrial plants

• Building main/backup power management

• UPS or generator backup control

• Automated control system power switching

• Data centers and critical load power supply assurance

5. Installation and Usage Notes

1. Verify rated current and voltage compatibility with the system before installation.

2. Perform wiring and installation with power disconnected for safety.

3. Ensure correct installation of motorized actuator and manual operation mechanism to prevent misuse.

4. Regularly check switch status, indicator lights, and wiring reliability for long-term stable operation.

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