Built for demanding industrial applications, the 3VA6460-7HL31-0AA0 600A molded case circuit breaker belongs to the Siemens SENTRON 3VA6 series. It is equipped with an ETU320 LI electronic trip unit, providing highly accurate, adjustable long-time and instantaneous protection for commercial electrical systems. This 3-pole breaker mounts into Siemens P4 and P5 panelboards, switchboards, and motor control centers. The compact frame design allows for efficient use of enclosure space.
What does the LI designation mean on the 3VA6460-7HL31-0AA0 trip unit?
The LI designation indicates that the ETU320 electronic trip unit provides adjustable Long-Time (L) and Instantaneous (I) protection. The continuous current is adjustable from 240A to 600A, and the instantaneous short-circuit pickup is adjustable from 1.5 to 10 times the rated current.
Which Siemens enclosures and panels are compatible with this 600A breaker?
This breaker is designed for installation in Siemens P4 and P5 panelboards, as well as compatible Siemens switchboards and motor control centers.
Can the Siemens 3VA6460-7HL31-0AA0 be reverse fed?
Yes, this breaker is suitable for reverse feed applications. The electronic trip unit is factory sealed and not removable, which complies with UL 489 standards for reverse feeding.
What is the breaking capacity class for this 3VA6 frame breaker?
This breaker features a Class C breaking capacity. While the maximum interrupting rating is 200kA at 240V, the Class C designation specifically highlights its 100kA rating at 480V and 35kA rating at 600V.
Is the trip unit on the 3VA6460-7HL31-0AA0 interchangeable?
No, the ETU320 electronic trip unit is factory sealed and not removable. This fixed design ensures the integrity of the breaker and allows it to be safely used in reverse feed applications.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
Siemens 3VA6225-5HL31-0AA0 - 250A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
10/2/25
Smooth Transaction, Great Seller, Solid product
I've ordered from SuperBreakers a couple times over the years. They have great customer service, knowledgeable employees, and I got my breaker in the expected timeline. I HIGHLY RECOMMEND this shop if you are a fellow circuit breaker enthusiast!
Siemens makes a reliable product. Y'all already know.