Allen-Bradley 140G-K6X3

Allen-Bradley 140G-K6X3 | High-Performance 400A MCCB Frame for Industrial Applications

Overview

The Allen-Bradley 140G-K6X3 is a robust 400A molded case circuit breaker (MCCB) frame designed for demanding industrial environments. With a high interrupting capacity of 65 kA at 480V AC, this K-frame MCCB ensures reliable protection for electrical circuits. It supports both thermal-magnetic and electronic trip units, offering flexibility in protection schemes. Compliant with UL489, CSA C22.2 No. 5, and IEC 60947-2 standards, the 140G-K6X3 is suitable for global applications.

Key Features

• 400A Frame Rating – Suitable for high-current applications

• High Interrupting Capacity – 65 kA at 480V AC; 70 kA at 415V AC; 100 kA at 220V AC

• 3-Pole Configuration – Ideal for three-phase systems

• Trip Unit Compatibility – Supports thermal-magnetic and electronic trip units (sold separately)

• Standards Compliance – UL489, CSA C22.2 No. 5, IEC 60947-2

• Compact K-Frame Design – Facilitates space-saving installations

• Non-Repairable – Ensures safety and integrity

• Global Certifications – CCC, CE, RCM, and more

Technical Specifications

• Model: 140G-K6X3

• Frame Size: K Frame

• Rated Current: 400A

• Number of Poles: 3

• Interrupting Capacity:

  • 65 kA at 480V AC

  • 70 kA at 415V AC

  • 100 kA at 220V AC

  • 40 kA at 690V AC

• Rated Insulation Voltage (Ui): 800V AC

• Rated Operational Voltage (Ue): Up to 690V AC

• Mounting: Panel mount

• Dimensions (HxWxD): 273.05 x 280.67 x 321.31 mm

• Weight: 3.747 kg

• Operating Altitude: Up to 2000 m without derating; up to 5000 m with derating

• Certifications: UL, CSA, CCC, CE, RCM

• Standards Compliance: UL489, CSA C22.2 No. 5, IEC 60947-2

• Lifecycle Status: Active

• Repairability: Not repairable

Applications

• Industrial Power Distribution Panels

• Motor Control Centers (MCCs)

• Switchgear Assemblies

• Commercial Electrical Installations

• Renewable Energy Systems

Why Choose the 140G-K6X3?

• High Interrupting Capacity – Ensures protection in high fault current scenarios

• Global Standards Compliance – Suitable for international projects

• Flexible Trip Unit Options – Customize protection to application needs

• Compact Design – Saves space in panel installations

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Available for immediate shipping. Contact us for pricing, availability, and compatible trip units.