Engineered for commercial and industrial power distribution, the Siemens 3VA5290-5EC31-0AA0 is a 3-pole, 90A molded case circuit breaker built on the robust 250A frame. It delivers reliable line protection for demanding electrical systems. This unit installs into Siemens P1, P2, and P3 panelboards, as well as SB switchboards. It also serves as a drop-in replacement for legacy FXD63B090 breakers. Rated for 35kAIC at 480VAC, it features a TM230 trip unit with adjustable magnetic protection.
HACR Rated, Current Limiting, Reverse Feed, Non-Interchangeable Trip
Product FAQs
7 answers
Can the 3VA5290-5EC31-0AA0 replace older Siemens breakers?
Yes, this 3VA5 series breaker serves as a direct drop-in replacement for legacy Siemens FXD63B090 molded case circuit breakers.
Which Siemens enclosures are compatible with the 3VA5290-5EC31-0AA0?
This breaker is designed to install into Siemens P1, P2, and P3 panelboards, as well as SB switchboards and motor control centers.
What frame size does the 3VA5290-5EC31-0AA0 utilize?
It is built on the robust Siemens 3VA52 frame, which is a 250A frame size, while being factory calibrated for a maximum continuous current of 90A.
Is this 3VA52 frame breaker rated for reverse feed applications?
Yes, Siemens 3VA5 thermal magnetic circuit breakers are UL listed for reverse feed installations.
How is the trip unit configured on this breaker?
It features a thermal magnetic trip unit with Long-Time and Instantaneous (LI) functions, utilizing a fixed thermal setting and an adjustable magnetic pickup.
What breaking capacity class does the 3VA5290-5EC31-0AA0 fall under?
This breaker features a Class M (Medium) breaking capacity, delivering a 35kA interrupting rating at 480VAC and 18kA at 600VAC.
Can this 90A breaker be applied to DC electrical systems?
Yes, it is rated for direct current applications up to 750VDC, where it provides a 50kA interrupting capacity. Proper pole wiring is required based on the system voltage.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.