Allen Bradley 140MF8EC32 Thermal Magnetic Circuit Breaker

The Allen-Bradley 140MF8EC32 molded case circuit breaker delivers dependable branch circuit overcurrent and short-circuit protection for panelboards and load centers, with space-saving design that fits tighter electrical enclosures. Sold by AmpState, it combines trusted Allen-Bradley engineering with practical reliability for everyday electrical distribution.

• Compact molded-case design maximizes panel space, making it easier to fit multiple circuits in residential panels, commercial load centers, or light industrial distribution boxes without compromising protection.
• Thermal-magnetic trip unit provides stable, repeatable protection for both overloads and short circuits, reducing nuisance trips while delivering fast response when a fault occurs.
• OEM compatibility designed to work with matching Allen-Bradley OEM load centers and panelboards, ensuring a seamless retrofit or new installation with consistent performance.
• Versatile application ideal for residential service panels, commercial circuits, and light industrial distribution where reliable, low-maintenance protection is essential.
• Durable, field-proven protection built to endure typical electrical environments, delivering predictable operation across a range of duty cycles and conditions.

Technical details

• Manufacturer: Allen-Bradley
• Part Number: 140MF8EC32
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and scenarios

• Replacing a failed breaker in a residential panel to restore circuit protection without reconfiguring the entire panel
• Upgrading a commercial load center to improve reliability on lighting and receptacle circuits
• Adding a dedicated circuit for small equipment or HVAC controls in light industrial settings
• Performing routine maintenance or stocking spare breakers for quick field repairs, minimizing downtime

With the 140MF8EC32, you get precise protection tailored to the needs of modern electrical systems: reliable overcurrent protection, clear trip behavior, and compatibility with standard Allen-Bradley panel architectures. This is a practical, long-term solution for keeping circuits safe and installations compliant, whether you’re wiring a new panel or replacing an aging breaker in a busy facility.