The Schneider Electric ComPacT NSX160/250 MA150 is a magnetic trip unit designed for motor protection applications. This unit is part of the ComPacT NSX series, a line of circuit breakers known for their robust performance in demanding industrial environments. It is specifically engineered for 4-pole configurations with an unprotected neutral, ensuring comprehensive circuit management.

Technical details

• Series: ComPacT NSX160/250
• Trip Unit Type: MA150
• Configuration: 4-Pole
• Neutral Configuration: Unprotected (3D)
• Protection Function: Magnetic Motor Protection
• Current Rating: 150A
• Actuation Type: Magnetic
• Compatible Breaker Frames: NSX160, NSX250

Applications & compatibility

This MA150 trip unit is suitable for integration into electrical distribution systems requiring precise motor overload and short-circuit protection. It is commonly found in applications such as pump control, fan systems, conveyor belts, and other machinery where reliable motor safeguarding is critical for operational continuity and equipment longevity.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the C166MA150 or contact our technical team for cross-reference assistance with compatible ComPacT NSX components.