Description

The MS165-42 manual motor starter is a high-capacity motor protection circuit breaker built for industrial-grade motor protection and control. With its compact 55 mm design, it provides reliable overload and phase-failure protection for motors up to 45 kW (400 V) / 80 A. The integrated disconnect function, temperature compensation, and trip-free mechanism ensure operational stability and safety. A dedicated fault window provides clear visual indication during short-circuit trips, enhancing maintenance efficiency. For streamlined system design, integrate this unit into our industrial panel fabrication assemblies for optimal electrical performance and protection.

Key Specifications – Motor Protection Circuit Breaker MS165-42

• Rated Operational Current: up to 80 A

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

• Trip Class: 10

• Width: 55 mm

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

• Operating Voltage: 400 V

• Clear Fault Indication: Yes (separate window)

• Lockable Rotary Handle: Yes

• Application: Three-phase and single-phase motors

Highlights

• Combines motor control and circuit protection in one powerful device

• Integrated fault indicator window enhances visibility during trips

• Temperature-compensated and trip-free design ensures safe operation

• Lockable handle prevents unauthorized adjustments

• Accessory-compatible with MS116 and MS132 series for flexible system design

Typical Uses

• Industrial motor control centers and automation systems

• Pumps, compressors, and heavy-duty conveyors

• HVAC systems and process control equipment

• Manufacturing lines and high-load machinery

Installation & Support

The MS165-42 allows quick DIN-rail or panel mounting for easy installation.

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

• Supplied with wiring and setup documentation

• Supported by local ABB service teams with spare parts availability