Allen Bradley AB Motor Protector Circuit Breaker 0.63-1A 140MT-C3E-B10 /A

Allen-Bradley 140MT-C3E-B10 Motor Protection Circuit Breaker

The Allen-Bradley 140MT-C3E-B10 is a motor protection circuit breaker (MPCB) engineered to provide reliable short-circuit and overload protection for small motors and control circuits. Its compact design and robust features make it an ideal choice for various industrial applications.

Key Features

• Adjustable Thermal Overload Protection: The device offers a thermal current range adjustable between 0.63 to 1 A, allowing precise protection tailored to specific motor requirements.
• Fixed Magnetic Trip: Designed with a fixed magnetic trip set at 14 times the rated current (14 x Ie), it ensures rapid response to short-circuit conditions.
• Trip Class 10: The breaker operates with a Trip Class 10, ensuring timely disconnection during overload scenarios.
• High Interrupt Rating: With an interrupt rating of up to 100 kAIC, it effectively handles high fault currents, enhancing system safety.
• Wide Voltage Support: Rated for 480 VAC and capable of supporting motor applications up to 690V, offering versatility across different voltage systems.
• Compact Frame Size C: The C-frame design (32 A) facilitates easy integration into space-constrained control panels.
• Broad Operating Temperature Range: Operates reliably within a temperature range of -25°C to +70°C, suitable for diverse environmental conditions.
• DIN Rail Mountable: Designed for quick and secure mounting on standard 35 mm DIN rails, simplifying installation and maintenance.

Technical Specifications

• Catalog Number: 140MT-C3E-B10
• Number of Poles: 3
• Rated Insulation Voltage: 690V
• Impulse Withstand Voltage: 6 kV
• Protection Class: IP20
• Dimensions: 96.3 mm x 45 mm x 83.4 mm
• Terminal Capacity: Up to 25 mm²
• Torque: 2.5 Nm
• Operating Temperature Range: -25°C to +70°C
• Weight: 0.36 kg

Applications

The 140MT-C3E-B10 is suitable for a wide range of applications, including:

• Motor Control Panels
• Material Handling Systems
• HVAC Units
• Industrial Machines
• Water Pumps
• Food & Beverage Production Lines

Compliance and Certifications

This motor protection circuit breaker complies with international standards, including UL 60947-4-1 and IEC 60947-2, ensuring its suitability for global use. It holds certifications such as UL, CE, CCC, ATEX, and EAC, reflecting its adherence to stringent safety and performance criteria.

In summary, the Allen-Bradley 140MT-C3E-B10 offers precise motor protection with its adjustable thermal range, fixed magnetic trip, and high interrupt rating. Its compact design and compliance with international standards make it a versatile and reliable choice for safeguarding small motors in various industrial settings.