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OVERVIEW
Official designation: Allen-Bradley 140U-H6C3-C15-A (Bulletin 140U, Molded Case Circuit Breaker)
Role/Application: H-Frame, 3-pole MCCB rated 15 A at 480V AC, providing fixed thermal-magnetic protection. Designed for robust industrial circuit defense in diverse high-altitude environments.
KEY SPECS SUMMARY
Power: 480 Volts AC
Interfaces / Ports: Line and load terminals
Indicators: Trip status flag
Operating Temp: Minus 25 to plus 70 degrees C
Platform / Compatibility: H-Frame; UL 489
Limit: 35 kA at 480V
Lifecycle: Discontinued, replacement 140G
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the maximum rated continuous current for the H-Frame 140U-H6C3-C15-A breaker?
A: The breaker has a 15 Amperes continuous current rating.
Wiring & Installation:
Q: Does the altitude derating for this MCCB apply at or below 2000 meters elevation?
A: No derating is required for operation at or below 2000 meters elevation.
Troubleshooting & Compatibility:
Q: What is the high interrupting capacity of this H-Frame model at 480 Volts AC?
A: The unit features a high interrupting capacity (kAIC) of 35 kA at 480V AC.
Replacement & Upgrades:
Q: What is the recommended current Allen-Bradley series to replace the discontinued 140U circuit breakers?
A: The current replacement is the Allen-Bradley Bulletin 140G series MCCB.
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| Country of Manufacture or Origin | See this page for details |
| Manufacturer | See this page for details |
| After-sales Service Contact or Customer Support Number | See this page for details |
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