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OVERVIEW
Official designation: Allen-Bradley 140U-D6D2-C30 (Bulletin 140U, Molded Case Circuit Breaker)
Role/Application: D-Frame, 2-pole MCCB rated 30 Amperes. It provides fixed thermal and adjustable magnetic overcurrent protection for industrial applications, featuring a high breaking capacity.
KEY SPECS SUMMARY
Power: 230 Volts AC maximum
Interfaces / Ports: Line and load terminals
Indicators: Trip status flag
Operating Temp: Minus 25 to plus 60 degrees C
Platform / Compatibility: D-Frame; UL 489, CSA, CE
Limit: Interrupting rating 65 kAIC
Lifecycle: Discontinued, replacement 140G
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the trip mechanism type of the 140U-D6D2-C30 breaker?
A: The protection type is fixed thermal and adjustable magnetic trip.
Wiring & Installation:
Q: What is the maximum recommended ambient temperature for continuous operation without derating?
A: The maximum ambient operating temperature is plus 60 degrees C.
Troubleshooting & Compatibility:
Q: What is the maximum voltage rating for the D-Frame breaker in a single-phase 2-pole application?
A: The breaker is rated for 230 Volts AC in this 2-pole configuration.
Replacement & Upgrades:
Q: Which Allen-Bradley product line is the successor to the discontinued Bulletin 140U series?
A: The current replacement is the Allen-Bradley Bulletin 140G series MCCB.
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| After-sales Service Contact or Customer Support Number | See this page for details |
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