Description

The MS165-73 manual motor starter is a high-performance protection circuit breaker designed for dependable motor control and advanced protection. Built to handle up to 45 kW (400 V) / 80 A, it offers robust overload and phase-failure protection within a compact 55 mm housing. Its design includes a fault indication window for quick diagnostics, as well as temperature compensation and a trip-free mechanism for safe and stable operation. For fully integrated system performance, use it alongside our industrial panel fabrication solutions to achieve optimized power distribution and protection.

Key Specifications – Protection Circuit Breaker MS165-73

• 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 manual motor control and circuit protection in one compact unit

• Visual fault indication for rapid maintenance and diagnostics

• Temperature-compensated tripping ensures consistent performance

• Trip-free mechanism prevents manual override during faults

• Compatible with MS116 and MS132 accessories for flexible system design

Typical Uses

• Industrial motor control centers

• Pumps, conveyors, and compressors

• HVAC and automation systems

• Heavy-duty process and manufacturing equipment

Installation & Support

The MS165-73 supports quick DIN-rail or panel mounting for flexible installation.

• Accessory support includes auxiliary contacts, bus bars, and trip modules

• Delivered with wiring documentation and setup guide

• Supported by ABB local service teams and spare part distribution