Providing advanced protection for commercial systems, the Siemens CED63B080 is an 80A, 3-pole current-limiting MCCB. It utilizes fixed thermal-magnetic trip technology to quickly clear faults and reduce let-through energy, protecting downstream devices from damage. The ED frame breaker is designed for bolt-on installation into Siemens Sentron P1, P2, and P3 panelboards. With an exceptional interrupting rating of 200kAIC at 480VAC, it meets rigorous industrial standards for safety.
CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, UL 489
Approval
CE, CSA, IEC, UL
Temp Rating
40C
Construction Features
Current Limiting, HACR Rated
Special Features
Current Limiting
Product FAQs
6 answers
Which panelboards are compatible with the CED63B080 circuit breaker?
This breaker is designed for bolt-on installation in Siemens Sentron P1, P2, and P3 panelboards, as well as compatible switchboards.
What does the current limiting designation mean for the CED63B080?
As a current limiting breaker, it is designed to clear faults extremely fast, significantly reducing the let-through energy to protect downstream devices. This allows it to achieve a high interrupting rating of 200kAIC at 480VAC.
What wire sizes and materials are accepted by the lugs on this breaker?
The load side lugs accept wire gauges from 10 AWG to 1/0 AWG. The terminals are rated for use with both copper and aluminum conductors.
Is the CED63B080 suitable for DC power systems?
Yes, in addition to standard AC ratings, this breaker is fully rated for DC applications. It provides an interrupting capacity of 50kAIC at 250VDC and 30kAIC at 500VDC for industrial DC control and distribution circuits.
Are the trip settings adjustable on the CED63B080?
No, this breaker features a fixed thermal and fixed magnetic trip unit. It provides standard Long-Time and Instantaneous protection without field adjustability.
How does the CED6 frame differ from standard ED4 or ED6 frames?
The CED6 frame is the current limiting version within the Siemens ED frame family. It offers significantly higher interrupting ratings than standard ED4 or ED6 breakers while maintaining the same physical footprint for panelboard mounting.
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