Allen-Bradley 140G-J6F3-D20 Circuit Breaker, 250A, 3-Pole

Meet the Allen-Bradley 140G-J6F3-D20—a rugged circuit breaker built for demanding industrial environments. With a 250 A rating and a 3-pole design, this unit delivers dependable overcurrent protection across three-phase power systems, making it an dependable choice for service, maintenance, and replacement projects where reliability matters most.

Important compatibility note: use the part number 140G-J6F3-D20 to verify fit with your panel and application requirements. If you need a hand confirming compatibility, our team is ready to assist—just send a message and we’ll help ensure a correct match.

Key advantages

• 250 A current rating provides robust protection for mid- to large-capacity feeders and three-phase motors in industrial settings.
• Three-pole design ensures synchronized protection across all three phases, helping prevent unbalanced faults in motor control centers and distribution panels.
• Engineering from Allen-Bradley delivers proven durability and reliability in harsh plant environments where uptime is critical.
• Part-number-based compatibility streamlines procurement for existing installations—simply match the 140G-J6F3-D20 code to your equipment documentation.
• Targeted for maintenance and replacement projects, reducing your downtime and simplifying asset management in ongoing operations.

Ideal applications

• Motor feeders and three-phase distribution panels in manufacturing lines
• Machine control panels and automation cabinets needing dependable supply protection
• Replacement or retrofit projects where a known, industry-standard part is required

Why it matters and how it helps you

Choosing the 140G-J6F3-D20 means you’re prioritizing consistency and predictability in protection strategy. The 3-pole configuration matches common industrial three-phase layouts, reducing the risk of phase imbalances during faults. By verifying fit with the exact part number, you minimize the guesswork in procurement and installation, helping you avoid compatibility pitfalls that can delay projects.

Practical guidance for procurement and installation

• Always confirm the part number 140G-J6F3-D20 matches your panel specification and site electrical requirements before purchase.
• In planned maintenance, use this unit as a direct replacement candidate when the existing hardware shares the same part number and ratings.
• Follow your panel manufacturer’s installation guidelines and local electrical codes during wiring and mounting.
• If you’re unsure about compatibility, reach out—our team can help you cross-check the part number against your application plan.