ABB MO165-25 Manual Motor Starter

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1. Product Overview

ABB MO165-25 Manual Motor Starter is a high-performance manual motor starter designed to provide manual control, overload protection, and short-circuit protection for low-voltage three-phase motors. It offers reliable motor starting and stopping while protecting both the motor and the electrical installation.

The compact and robust design makes it suitable for industrial motor control and distribution applications.

2. Technical Specifications

• Model: MO165-25

• Product Type: Manual Motor Starter

• Rated Operational Current (Ie):

  • 25 A

• Adjustment Current Range:

  • 17 – 25 A

• Rated Operational Voltage (Ue):

  • AC 690 V

• Rated Insulation Voltage (Ui):

  • 690 V

• Rated Impulse Withstand Voltage (Uimp):

  • 6 kV

• Applicable Motor Power:

  • Approx. 11 kW (400 V AC)

• Tripping Mechanism:

  • Thermal-magnetic (overload and short-circuit protection)

• Number of Poles:

  • 3P

• Mounting Method:

  • DIN rail or screw mounting

• Operating Method:

  • Manual rotary handle (ON / OFF / TRIP)

• Degree of Protection:

  • IP20 (terminals)

• Operating Temperature:

  • -25 ℃ to +55 ℃

• Standards Compliance:

  • IEC / EN 60947-2 / 60947-4-1

3. Advantages and Features

1. Integrated Motor Protection
   Combines overload and short-circuit protection in one device.

2. Compact and Space-Saving Design
   Ideal for control cabinets with limited space.

3. Reliable Thermal-Magnetic Tripping
   Ensures accurate and dependable motor protection.

4. Easy and Intuitive Operation
   Rotary handle provides clear status indication and easy handling.

5. Flexible Installation Options
   Supports both DIN rail and screw mounting.

6. International Standards Compliance
   Designed in accordance with IEC / EN standards for global applications.

4. Typical Applications

• Industrial motor control circuits

• Control panels and distribution boards

• Conveyor systems and pumping applications

• Fans and compressors

• Machinery and OEM automation systems

• Industrial infrastructure and utilities

5. Installation and Usage Notes

1. Adjust the current setting according to the motor rated current before operation.

2. Ensure all terminals are properly tightened to prevent overheating.

3. Use appropriate short-circuit protection devices if required by the system design.

4. Do not operate beyond the rated voltage and current limits.

5. Disconnect power before maintenance or service.