Allen-Bradley 140-MN-0400 Motor Circuit Breaker

Description:

The Allen-Bradley 140-MN-0400 Motor Circuit Breaker is used in motor protection and industrial power distribution systems for overload and short-circuit protection. Commonly installed in motor control centers, control panels, manufacturing equipment, and automation systems, it provides adjustable motor protection and manual disconnect functionality for industrial applications. Maintenance teams, electricians, and system integrators use this motor circuit breaker for replacement, electrical system maintenance, and motor protection upgrades.

Applications:

The Allen-Bradley 140-MN-0400 Motor Circuit Breaker is commonly used in motor control systems, manufacturing equipment, conveyor systems, pump stations, HVAC installations, and industrial automation applications where reliable motor protection and circuit isolation are required.

Technical Specifications:

• Manufacturer Part Number (MPN): 140-MN-0400
• Product Type: Motor Circuit Breaker
• Manufacturer: Allen-Bradley
• Series: Bulletin 140-MN
• Adjustable Current Range: 2.5–4.0 A
• Number of Poles: 3
• Frequency: 50/60 Hz
• Function: Motor Overload and Short-Circuit Protection
• Application: Motor Protection Systems
• Mounting Type: Panel or DIN Rail Mount
• Primary Function: Motor Circuit Protection and Disconnect
• Industrial Use: Automation and Motor Control Systems
• Replacement Category: OEM Electrical Component

Common Replacements:

• Allen-Bradley 140-MN-0630 Motor Circuit Breaker
• Allen-Bradley 140-MN-1000 Motor Circuit Breaker
• Allen-Bradley 140M-C2E Motor Circuit Breaker