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Feels well-built and suitable for everyday plant and maintenance use.
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Circuit Breaker
Allen-Bradley | 140U-M6X3 | Circuit Breaker | 800A | 600V
| Part Number | 140U-M6X3 |
| Amperes | 800 |
| Voltage | 600 |
| Product Type | Circuit Breaker |
Regular price
$2,010.00
Sale price
$2,010.00
Regular price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Allen-Bradley | 140U-M6X3 | Circuit Breaker | 800A | 600V
Regular price
$2,010.00
Sale price
$2,010.00
Regular price
Unit price
Product description
Shipping
Meet the Allen-Bradley 140U-M6X3 circuit breaker — a genuine, high-current protection device designed for demanding industrial environments. With an 800A rating at 600V, this breaker is built to safeguard critical circuits in distribution panels, motor control centers, and other heavy electrical applications while supporting reliable, repeatable performance during maintenance, retrofit, and replacement projects.
Key specifications at a glance
- Amperage rating: 800 A
- Voltage rating: 600 V
- Part reference: 140U-M6X3
- Designed for: Maintenance, retrofit, and replacement where exact specs are required
Why this 140U-M6X3 matters for your operation
For facilities relying on precise, predictable protection, the 140U-M6X3 delivers a plug-and-play upgrade path within Allen-Bradley’s 140U family. Its specifications align with the needs of high-current feeders, helping to prevent cascading faults and reduce downtime during service windows. Because it’s a genuine Allen-Bradley part, you gain consistency with other protection devices in your panel, preserving warranty coverage and long-term reliability.
Ideal use cases
- Upgrading aging protection in industrial distribution panels to support 800A circuits
- Retrofitting motor control centers where exact 140U-frame compatibility is required
- Stocking spare breakers for maintenance programs to minimize downtime
Compatibility and installation notes
Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility. Use this 140U-M6X3 to ensure seamless replacement within existing 140U-frame installations and to maintain consistent electrical performance across your protection system.
Practical considerations and setup tips
- Verify panel labeling and conductor sizing to match the 800A, 600V ratings.
- Keep a stock of matching 140U-series components to streamline future maintenance.
- When replacing, follow OEM torque specs and enclosure guidelines to ensure a reliable, clamp-tight installation.
- Document the replacement part number in your maintenance logs to simplify future service decisions.
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
Verified
Lead time was reasonable and the part matched expectations when it arrived.
Procurement · Ontario
Verified
Good value for industrial use. Customers mention easy installation.
Service tech · Field work
