OVERVIEW

Official designation: Allen-Bradley 140U-D6D2-C10 (Bulletin 140U, Current-limiting Molded Case Circuit Breaker)

Role/Application: D-Frame, 2-pole circuit breaker providing fixed thermal and fixed magnetic protection for industrial power systems, featuring a compact design and high interrupting capacity.

KEY SPECS SUMMARY

Power: 600 Volts AC maximum voltage

Interfaces / Ports: Load and line terminals

Indicators: Internal trip status

Operating Temp: Minus 25 to plus 40 degrees C

Platform / Compatibility: D-Frame; DIN rail mountable

Limit: 10 Amperes rated current

Lifecycle: Discontinued by manufacturer

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the primary Interrupting Rating (AIC) and rated voltage for this 140U-D6D2-C10 breaker?

A: The interrupting rating is 100 kAIC at 600 Volts AC, and it supports 10 Amperes rated current.

Wiring & Installation:

Q: Does the compact design of this D-Frame breaker support the use of compact busbar systems?

A: Yes, the design is compatible with compact busbar systems and can reduce panel wiring complexity.

Troubleshooting & Compatibility:

Q: What is the trip mechanism configuration (Thermal/Magnetic) for the Allen-Bradley 140U-D6D2-C10?

A: This circuit breaker utilizes a Fixed Thermal and Fixed Magnetic trip unit (T/M).

Replacement & Upgrades:

Q: What is the recommended product family migration path for the discontinued Bulletin 140U series?

A: Migration is suggested to the newer 140UT product family for improved feature sets and continued support.