Engineered for industrial applications, the Siemens CED63B090 is a 3-pole, 90A current-limiting molded case circuit breaker. It belongs to the Sentron ED-frame family, offering reliable thermal-magnetic protection. This unit-mount breaker installs into Siemens Sentron panelboards. For modern upgrades, this model is replaced by the 3VA6190-7HL31-0AA0. Rated for 200kAIC at 480V, it limits let-through energy to protect downstream equipment.
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, Non-Interchangeable Trip, Reverse Feed, Quick-Make/Quick-Break, Trip-Free Mechanism, Extra High Interrupting Capacity
Special Features
Current Limiting
Product FAQs
6 answers
What equipment is the CED63B090 designed to fit?
This bolt-on, unit-mount breaker is designed for installation in Siemens Sentron panelboards and switchboards.
What does the current limiting designation mean for this breaker?
As a current limiting breaker, the CED63B090 restricts let-through energy during a severe fault. This protects downstream circuits and equipment, allowing it to achieve a high interrupting rating of 200kA at 480VAC.
What wire sizes and materials are compatible with the CED63B090 lugs?
The standard lugs accept 10 AWG to 1/0 AWG copper or aluminum conductors.
Can the CED63B090 be reverse fed?
Yes. Like most Siemens ED frame circuit breakers without line and load markings, the CED63B090 is suitable for reverse feed applications.
Are the trip settings on the CED63B090 adjustable?
No, this breaker features a non-interchangeable thermal magnetic trip unit with fixed long-time and fixed instantaneous (LI) trip functions.
How does the CED6 frame differ from standard ED frame breakers?
The CED6 is the current limiting version of the Siemens ED frame family. It provides the highest interrupting capacity in the series, offering up to 200kA at 480VAC compared to standard ED4 or ED6 breakers.
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