Built for commercial and industrial applications, this 3-pole, 400A molded case circuit breaker is part of the Siemens SENTRON 3VA6 series. It mounts into Siemens P3, P4, and P5 panelboards, switchboards, and motor control centers, serving as a substitute for the 3VA6340-7HM31-0AA0. Featuring an ETU330 electronic trip unit, it provides adjustable long-time, instantaneous, and ground-fault (LIG) protection. The breaker is rated 65 kAIC at 480V and offers current-limiting performance.
CSA C22.2 No. 5, EN 60947-2, IEC 60947-2, NEMA AB 1, UL 489
Approval
ABS, CE, CSA, cULus, EAC, IEC, RCM, UL, VDE
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Current Limiting, Reverse Feed, High Interrupting Capacity
Product FAQs
7 answers
What is the adjustable trip range for the Siemens 3VA6340-6HM31-0AA0?
This breaker features an ETU330 LIG electronic trip unit with an adjustable long-time overload protection setting from 160A to 400A. The instantaneous short-circuit protection is adjustable from 1.5 to 10 times the rated current, and ground-fault protection is adjustable from 0.2 to 1 times the rated current.
Which Siemens panelboards are compatible with the 3VA6340-6HM31-0AA0?
This 400A 3VA6 frame breaker is designed for use with Siemens P3, P4, and P5 panelboards, as well as compatible Siemens switchboards and motor control centers.
What breaking capacity class does the 3VA6340-6HM31-0AA0 fall under?
This circuit breaker is rated as a Class H breaking capacity device. This provides an interrupting rating of 65kA at 480V and 100kA at 240V for high-fault commercial and industrial applications.
What is the UPC for the Siemens 3VA6340-6HM31-0AA0 circuit breaker?
The industry standard UPC for this 400A 3-pole molded case circuit breaker is 804766313189.
How is the 3VA6340-6HM31-0AA0 installed in distribution equipment?
This is a panel mount, feed-thru circuit breaker. It is designed to be bolted directly into the chassis of compatible Siemens panelboards, switchboards, or motor control centers.
What protection functions are included in the LIG trip unit on this breaker?
The LIG designation on the ETU330 electronic trip unit stands for Long-Time, Instantaneous, and Ground-Fault protection. This provides comprehensive defense against overloads, severe short circuits, and ground faults in a single solid state device.
What frame size is the Siemens 3VA6340-6HM31-0AA0?
This breaker is built on the Siemens SENTRON 3VA6 UL 400A frame. It shares physical dimensions and accessory compatibility with other 400A 3VA6 molded case circuit breakers.
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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.