A-B 140MG-H8E-C60 Motor Protection Circuit Breaker

Product Description

Allen-Bradley 140MG-H8E-C60 is a 140MG Series Motor Protection Circuit Breaker (MPCB) manufactured by Rockwell Automation. It is designed to provide motor branch circuit protection, combining thermal and magnetic protection functions for industrial motor applications.

This device provides adjustable overload protection and short-circuit protection, suitable for use in motor control centers, motor starters, and industrial automation systems.

Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 140MG-H8E-C60
• Product Type: Motor Protection Circuit Breaker
• Series: 140MG
• Frame Size: H Frame
• Rated Current: 60 A
• Poles: 3 Pole
• Protection Type: Thermal / Magnetic Trip
• Trip Unit: TMD (Thermal Magnetic Device)
• Adjustable Thermal Range: 24…60 A
• Magnetic Trip Adjustment: 6…13 × In
• Rated Voltage: Up to 480 VAC (UL application)
• Interrupting Rating: 65 kA @ 480 VAC
• Mounting: Panel Mount
• Connection: Screw Terminal
• Protection Rating: IP20
• Country of Origin: Italy

Functions

• Protects three-phase motors from overload conditions
• Provides short-circuit protection
• Detects phase loss conditions
• Allows adjustable motor current protection settings
• Provides manual motor circuit disconnect function
• Protects motor starters and connected equipment

Advantages & Features

• Integrated thermal and magnetic protection
• Adjustable current settings for different motor ratings
• High short-circuit interrupting capacity
• Compact motor protection solution
• Reduces additional protection components in control cabinets
• Suitable for industrial motor control applications
• Reliable Allen-Bradley motor protection technology

Applications

• Motor Control Centers (MCC)
• Industrial automation equipment
• Pumps and fans
• Conveyor systems
• Machine tools
• Production machinery
• Factory automation systems

Notes

• 140MG-H8E-C60 is a motor protection circuit breaker, not a PLC module
• Verify motor full-load current before adjustment
• Confirm voltage and short-circuit requirements before installation
• Proper coordination with contactors and overload relays is recommended
• Installation should follow Allen-Bradley wiring and safety guidelines