ABB MS165-42 1SAM451000R1015 MS165 Manual Motor Starter 30-42A

The ABB MS165-42 (article 1SAM451000R1015) is a manual motor starter with a current setting range of 30 to 42 A, designed to protect motors against overload and phase failure. Part of the compact MS165 series - which covers motor protection up to 45 kW at 400 V and fits in a 55 mm width - this device combines motor protection and circuit disconnection in a single unit.

Technical specifications:

• Series: MS165-42
• ABB article number: 1SAM451000R1015
• EAN: 4013614486098
• Current range: 30 to 42 A
• Housing width: 55 mm
• Trip class: 10
• Series motor protection capacity: up to 45 kW (400 V) / up to 80 A
• Phase compatibility: three-phase and single-phase

Features and benefits:

• Protects motors against overload and phase failure, reducing the risk of motor damage and unplanned downtime
• Built-in disconnect function integrates isolation capability without requiring a separate switching device
• Dedicated fault indication window delivers a clear visual signal specifically when short-circuit tripping occurs
• Lockable rotary handle with clear switch position indication prevents unauthorized adjustments to the circuit state
• Temperature compensation and trip-free mechanism ensure consistent tripping behavior across varying operating conditions

Applications:

• Motor branch circuit protection in industrial control cabinets and distribution boards
• Direct-on-line starting and protection of three-phase motors in machinery and process equipment
• Single-phase motor protection where compact DIN-rail installation space is limited
• Installations requiring a lockable disconnect point for safety or access control purposes

Also known as: ABB MS165-42, MS165-42 1SAM451000R1015, manual motor protector, motor protection circuit breaker, manual motor starter 30-42 A.