Engineered to handle high fault currents, the Siemens CED63B090L is a 3-pole, 90A molded case circuit breaker from the Sentron ED frame series. It utilizes thermal-magnetic trip units to provide reliable protection. This unit-mount breaker integrates into Siemens enclosures and switchboards. With a 200kAIC rating at 480V, its current-limiting design significantly reduces let-through energy, safeguarding downstream commercial and industrial equipment. Line and load lugs are included.
Current Limiting, HACR Rated, Non-Interchangeable Trip
Special Features
Current Limiting
Product FAQs
6 answers
What type of panels or enclosures accept the CED63B090L?
This is a unit-mount ED frame breaker designed to be bolted into Siemens switchboards, motor control centers, and individual enclosures. It is not a plug-on breaker and will not fit standard residential load centers.
Are lugs included with the CED63B090L, and what wire sizes do they accept?
Yes, this breaker comes standard with both line and load lugs installed. They are rated for 10 AWG to 1/0 AWG copper or aluminum conductors.
What does the current limiting designation mean for the CED6 series?
Current-limiting breakers like the CED63B090L use a specialized contact design to clear faults extremely fast. This significantly reduces the let-through energy and peak current during a short circuit, providing enhanced protection for downstream equipment.
Can the CED63B090L be reverse fed?
Yes, this breaker features a non-interchangeable thermal-magnetic trip unit and is fully rated for reverse feed applications.
What is the modern replacement for the CED63B090L?
Siemens has transitioned the legacy Sentron ED frame to the newer 3VA series. The direct modern replacement for this 90A breaker is the 3VA6190-7HL31-0AA0, though mounting dimensions and lug requirements may differ.
Will this breaker replace older ITE CED6 models?
Yes, Siemens acquired ITE and continued manufacturing the Sentron ED frame line. The CED63B090L is a direct replacement for older ITE branded breakers with the exact same catalog number.
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