Designed for standalone or feed-thru applications, this 3-pole, 20A current-limiting MCCB delivers superior protection for commercial facilities. It operates efficiently at up to 600VAC and 500VDC within a compact ED-frame footprint. The unit-mount configuration installs into Siemens Sentron panelboards and switchboards. It includes both line and load lugs out of the box, simplifying wiring. Featuring a 200kAIC rating at 480V, this HID-rated breaker restricts let-through fault currents.
Yes, the L suffix in the catalog number indicates that this breaker includes both line and load side lugs (type SA1E025) installed from the factory.
What frame size is the CED63B020L?
This breaker is part of the Siemens ED Frame family.
Which panelboards accept the CED63B020L?
This unit-mount breaker is designed for installation in Siemens Sentron P1, P2, and P3 panelboards, as well as compatible switchboards.
Is the CED63B020L a current-limiting circuit breaker?
Yes, the CED6 series features fuseless current-limiting technology, providing high interrupting ratings to restrict let-through fault currents and protect downstream equipment.
Is the trip unit on the CED63B020L interchangeable?
No, this breaker features a fixed thermal-magnetic trip unit that is not interchangeable.
What is the ambient temperature rating for this breaker?
The CED63B020L is calibrated for a standard 40 degrees Celsius ambient operating temperature.
What wire sizes are accepted by the standard lugs on this breaker?
The factory-installed lugs accept 14 to 10 AWG copper wire or 12 to 10 AWG aluminum wire.
Can this breaker be used in DC applications?
Yes, it is rated for DC systems up to 500VDC, providing an interrupting capacity of 50kA at 250VDC and 30kA at 500VDC.
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