Designed for heavy-duty distribution, the Siemens ED63B090 is a 90-amp, 3-pole molded case circuit breaker. This Sentron ED6 frame device provides reliable thermal-magnetic overcurrent protection for commercial and industrial facilities. The breaker bolts into Siemens P1, P2, and P3 panelboards, switchboards, and motor control centers. It is being replaced by the 3VA5190-5EC31-0AA0, which requires an additional mounting kit for panelboard use.
Which panelboards are compatible with the ED63B090?
This ED-frame breaker is designed for use in Siemens P1, P2, and P3 panelboards, as well as compatible Siemens switchboards and motor control centers.
Can the Siemens ED63B090 replace an older ITE ED63B090?
Yes. Siemens acquired ITE, and the current Siemens ED63B090 is a direct, exact-fit replacement for the legacy ITE version with the same catalog number.
What wire sizes do the standard lugs accept?
The standard lugs accommodate 10 AWG to 1/0 AWG copper or aluminum wire.
What is the standard load lug part number for this 90A breaker?
The standard load lug kit for 30A to 100A ED-frame breakers is the Siemens LN1E100.
Can this breaker be used in DC applications?
Yes, the ED63B090 is rated for direct current applications up to 250VDC with an interrupting capacity of 30kAIC.
What is the difference between the ED43B090 and the ED63B090?
The primary difference is the maximum voltage rating. The ED43B090 is rated for a maximum of 480VAC, while the ED63B090 is rated for up to 600VAC.
Does this breaker mount to a standard DIN rail?
No. The ED63B090 features a bolt-on connection type designed specifically for bolted integration into panelboard and switchboard chassis, not DIN rail mounting.
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Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
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