Description

The MS165-80 manual motor starter is a robust circuit breaker engineered for high-capacity motor protection and manual control. It provides full protection against overloads and phase failures while enabling quick ON/OFF switching in a compact 55 mm design. The integrated fault window ensures fast diagnostics, while the built-in disconnect, temperature compensation, and trip-free mechanism guarantee reliable performance. Suitable for motors up to 45 kW (400 V) / 80 A, it’s ideal for demanding industrial environments. For optimal system integration, pair it with our industrial panel fabrication solutions for complete electrical safety and efficiency.

Key Specifications – Circuit Breaker MS165-80

• Rated Motor Power: Up to 45 kW (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 protection and manual control in one device

• Clear fault indication window simplifies maintenance

• Temperature-compensated and trip-free mechanisms ensure stable operation

• Compact design fits easily in modern control panels

• Compatible with MS116 and MS132 accessories for versatile system use

Typical Uses

• Industrial motor control and automation systems

• Pumps, compressors, and conveyor motors

• HVAC systems and process control equipment

• Heavy-duty manufacturing and production facilities

Installation & Support

The MS165-80 allows fast DIN-rail or panel installation with minimal wiring effort.

• Supports ABB auxiliary contacts, undervoltage releases, and shunt trips

• Includes wiring and installation guides for efficient setup

• Backed by local ABB service and spare parts support