ABB 1SDA104879R1 Motor Operator

The ABB 1SDA104879R1 Motor Operator is a high-precision electromechanical actuator designed for operating circuit breakers, disconnect switches, and other motor-driven switching devices. It is engineered to provide fast, reliable, and repeatable mechanical operation while maintaining precise control over switching sequences.

This motor operator integrates seamlessly into ABB low-voltage and medium-voltage systems, enabling automated and remote operation of switchgear equipment. It features a robust construction that ensures performance under industrial and utility conditions, providing consistent actuation even in environments with vibration, dust, and temperature fluctuations.

The 1SDA104879R1 supports advanced control functions, including position feedback, auxiliary signaling, and integration with supervisory control systems, enhancing the safety, efficiency, and reliability of power distribution networks.

Product Specifications

Product Applications

The ABB 1SDA104879R1 motor operator is widely used in industrial and utility power systems:

• Power Distribution – Operates medium-voltage and low-voltage circuit breakers in distribution panels.

• Industrial Plants – Controls motor-operated disconnect switches and load-break switches in manufacturing facilities.

• Renewable Energy – Automates switching in wind and solar power conversion systems.

• Power Utilities – Enables remote operation of feeders, substations, and switchgear equipment.

• Railway & Transportation – Operates traction and auxiliary power switchgear.

• Oil & Gas – Controls power distribution systems in refineries, pipelines, and offshore platforms.

Product Advantages

• Reliable Mechanical Operation – Provides precise and repeatable actuation for switchgear equipment.

• Versatile Voltage Compatibility – Can be configured for DC or AC operation across multiple voltages.

• Rapid Switching – Operates breakers and switches in 0.5–2 seconds, ensuring minimal system disruption.

• Integrated Feedback – Auxiliary contacts and limit switches allow real-time position monitoring and signaling.

• Compact & Robust Design – High-strength housing ensures durability in industrial environments.

• Flexible Mounting – Can be directly mounted on switchgear panels or breakers without additional adapters.

• Standards Compliant – Meets IEC, UL, and CE safety and operational standards.

FAQ

1. What is the operating voltage range for the motor operator?

   It supports 24 V DC, 48 V DC, or 110–240 V AC depending on the configuration.

2. Can the operator be used for both circuit breakers and disconnect switches?

   Yes, it is compatible with various low- and medium-voltage switchgear devices.

3. What is the typical operation speed?

   Switching times range from 0.5 to 2 seconds per operation.

4. Does it provide position feedback?

   Yes, auxiliary contacts and limit switches give real-time position information.

5. Can it be remotely controlled?

   Yes, it can be integrated with supervisory control systems for remote operation.

6. What torque range does it deliver?

   It provides 50–200 Nm depending on the specific configuration.

7. Is the operator suitable for harsh industrial environments?

   Yes, it operates reliably under vibration, dust, and temperature variations from -25 to 55 °C.

8. What safety standards does it comply with?

   IEC 60947, UL recognized, and CE certified.

9. How is it mounted on switchgear?

   It can be directly mounted on breakers or panels without additional adapters.

10. Can it operate in high-humidity conditions?

    Yes, it is rated for 10–95% relative humidity, non-condensing.