Allen-Bradley 140MF8EC32 Molded Case Circuit Breaker

The Allen-Bradley 140MF8EC32 Molded Case Circuit Breaker is a high-performance protection device designed for industrial and commercial applications. This breaker ensures the safe operation of electrical systems by protecting them from overloads, short circuits, and other electrical faults. Ideal for panel installations, it offers reliable performance and high interrupting capacity, making it suitable for various power distribution and motor protection applications. With its compact design and easy integration into automation systems, the 140MF8EC32 provides both efficiency and peace of mind.

Key Benefits:

• Enhanced Protection: The 140MF8EC32 offers advanced protection against overloads and short circuits, helping prevent damage to electrical systems and connected devices.

• High Interrupting Capacity: With its robust interrupting capability, this circuit breaker can quickly and safely disconnect faulty circuits, reducing the risk of system failure and fire hazards.

• Versatile Use: Whether used in control panels, industrial machinery, or power distribution systems, the 140MF8EC32 is designed to meet the needs of various applications in both commercial and industrial settings.

• Space-Efficient Design: The compact size of the breaker allows for more efficient use of panel space, making it ideal for installations where space is at a premium.

• Durable and Reliable: Built with high-quality materials, this molded case circuit breaker is designed to withstand harsh industrial environments, offering long-term reliability and performance.

Technical Specifications:

• Model: 140MF8EC32

• Type: Molded Case Circuit Breaker (MCCB)

• Rated Voltage: 480V AC

• Rated Current: 32A

• Interrupting Capacity: 18 kAIC (kiloampere interrupting capacity)

• Thermal-Magnetic Trip: Adjustable thermal and magnetic trip settings

• Mounting: Panel mount

• Frame Size: 8

• Number of Poles: 3

• Degree of Protection: IP20 (protected against solid objects >12mm)

• Operating Temperature: -10°C to 60°C (14°F to 140°F)

• Weight: 1.5 kg (3.3 lbs)

• Certifications: UL Listed, CE, IEC Compliant

Typical Applications:

• Motor Protection: The 140MF8EC32 is ideal for protecting motors against overload and short circuit conditions, ensuring that motor-driven systems operate safely and efficiently.

• Control Panels: Widely used in control panel applications, this circuit breaker provides reliable protection for panel-mounted equipment in industrial environments.

• Power Distribution Systems: Its high interrupting capacity makes the 140MF8EC32 an excellent choice for protecting electrical distribution circuits in both commercial and industrial buildings.

• HVAC Systems: The breaker is commonly used in heating, ventilation, and air conditioning (HVAC) systems to protect control circuits and equipment from power surges and faults.

• Machinery Protection: For factories and manufacturing plants, the 140MF8EC32 protects critical machinery and control systems, reducing downtime caused by electrical faults.

Support & Maintenance:
The Allen-Bradley 140MF8EC32 circuit breaker is supported by Rockwell Automation's extensive customer support network, offering installation guides, troubleshooting advice, and repair services. The breaker is designed for minimal maintenance; however, periodic inspection is recommended to ensure optimal performance. Rockwell offers a range of replacement parts and a warranty to ensure reliable service throughout the product's lifespan.

FAQ Section

Q1: What is the rated current of the 140MF8EC32 circuit breaker?
The 140MF8EC32 has a rated current of 32A, making it suitable for a variety of industrial and commercial applications.

Q2: What is the interrupting capacity of the 140MF8EC32?
The breaker has an interrupting capacity of 18 kAIC, providing reliable protection against short circuits and electrical faults.

Q3: Can the 140MF8EC32 be used for motor protection?
Yes, the 140MF8EC32 is ideal for motor protection, guarding against overloads and short circuits in motor-driven systems.

Q4: What certifications does the 140MF8EC32 have?
The 140MF8EC32 is UL Listed, CE certified, and complies with IEC standards, ensuring its safety and reliability in industrial applications.

Q5: What is the operating temperature range for the 140MF8EC32?
The 140MF8EC32 operates within a temperature range of -10°C to 60°C (14°F to 140°F), making it suitable for most industrial environments.