Description

The MS165-65 manual motor starter is a robust and versatile circuit breaker designed to protect and control motors up to 45 kW (400 V) / 80 A within a compact 55 mm housing. It combines overload, short-circuit, and phase-failure protection, ensuring reliable operation across industrial environments. A dedicated fault indication window provides instant visibility of trip events, while the built-in disconnect function and trip-free mechanism ensure operational safety. For seamless integration and optimized control systems, pair this unit with our industrial panel fabrication services.

Key Specifications – Circuit Breaker MS165-65

• Rated Motor Power: Up to 45 kW (at 400 V)

• Rated Operational Current: Up to 80 A

• Trip Class: 10

• Width: 55 mm

• Protection: Overload, short-circuit, and phase failure

• Fault Indication Window: Yes

• Operating Voltage: 400 V

• Lockable Rotary Handle: Yes

• Application: Three-phase and single-phase motors

Highlights

• Combines motor control and circuit protection in one compact device

• Clear visual fault indication for faster diagnostics

• Temperature-compensated and trip-free mechanisms ensure reliability

• Lockable handle prevents unauthorized access or operation

• Accessory-compatible with MS116 and MS132 models for flexible system setups

Typical Uses

• Industrial motor control and automation systems

• Pumps, compressors, and conveyors

• HVAC, process, and packaging equipment

• Heavy-duty machinery and manufacturing plants

Installation & Support

The MS165-65 is designed for fast DIN-rail or panel mounting with simple wiring.

• Compatible with ABB auxiliary contacts, undervoltage releases, and bus bars

• Includes wiring and installation documentation

• Supported by ABB service centers with local spare part availability