Allen-Bradley 140-MN-0400 SER. C Manual Motor Starter-Protector 2.5-4.0Amp Range

Allen-Bradley 140-MN-0400 Series C Manual Motor Starter-Protector is a compact thermal-magnetic motor protection device designed to provide manual control and overload protection for three-phase motors, featuring adjustable current settings and robust construction for reliable operation in industrial control systems. Manufacturer: Allen-Bradley (Rockwell Automation) Country of manufacture: Switzerland Model: 140-MN-0400 Series: C Type: Manual motor starter / motor protector Number of poles: 3 pole Current adjustment range: 2.5–4.0 A Rated operational voltage: 415/690 VAC Frequency: 50/60 Hz Trip mechanism: Thermal overload and magnetic short-circuit protection Adjustment type: Rotary dial for current setting Operation: Manual ON/OFF switch with trip indication Mounting: Panel mount / DIN rail mountable Construction: Open style (no enclosure) Housing material: High-strength thermoplastic Contact type: Direct switching contacts Short-circuit protection: Requires upstream protection device (fuse or breaker) Phase protection: Sensitive to phase loss and imbalance Reset type: Manual reset after trip Ambient temperature rating: Typically up to 40 °C Insulation voltage: Up to 690 V Breaking capacity: Suitable for industrial motor control circuits (exact kA rating depends on system protection) Standards: IEC compliant (IEC 60947-4-1) Terminal type: Screw terminals for secure wiring Applications: Motor control, conveyors, pumps, fans, HVAC systems, industrial machinery Key feature: Combines motor protection and manual control in a compact unit Maintenance: Low maintenance, periodic inspection and testing recommended Condition: Appears unused with protective packaging as shown