ABB 8 → 12 A Motor Protection Circuit Breaker

This motor protection circuit breaker is designed for effective motor management in industrial applications. Known as the MS132-12, it operates within a current range of 8 to 12A, ensuring reliable performance in demanding environments. With compact dimensions of 97.8mm in length, 45mm in width, and 81.05mm in depth, it offers versatility for various installations. The device features a robust voltage rating of 690V, catering to standard motor requirements while enhancing safety and efficiency.

• Protects motors from short-circuits and overloads efficiently
• Trip-free mechanism allows uninterrupted operation during faults
• Built-in temperature compensation maintains performance across conditions
• High breaking capacity of up to 100kA safeguards against electrical faults
• Lockable rotary handle prevents unauthorised adjustments
• Versatile for three-phase and single-phase applications

• Utilised for manual switching in motor control systems
• Applied in automation setups for reliable motor management
• Suitable for machinery requiring protection against overloads
• Employed in environments prone to phase failures

It operates effectively between -25°C and +70°C, making it suitable for a wide range of environmental conditions.

The breaker uses a trip class 10 mechanism to detect overloads and short-circuits, disconnecting power to the motor to prevent damage.

The terminals accommodate a variety of wire sizes, including flexible with ferrule from 0.75 to 6 mm², ensuring versatility in installations.

Yes, multiple auxiliary contacts and additional accessories are available to expand its capabilities for specific automation needs.