Siemens 3VA6340-5HN31-0AA0 Molded Case Circuit Breaker
- 400A
- 3 Pole
- Panel Mount
Siemens
3VA6340-5HN31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA6340-5HN31-0AA0
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Siemens 3VA6340-5HN31-0AA0 - 400A 3 Pole Molded Case Circuit Breaker
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400A 3 Pole Molded Case Circuit Breaker
400A 3 Pole Molded Case Circuit Breaker
400A 3 Pole Molded Case Circuit Breaker
Description
Part of the Siemens Sentron 3VA6 series, this 3-pole, 400A molded case circuit breaker is optimized for commercial and industrial electrical systems. Designed for panel-mount applications, it integrates seamlessly into Siemens P3 panelboards and switchboards. The unit is HACR rated and suitable for reverse feed installations. The integrated ETU350 electronic trip unit offers adjustable long-time, short-time, and instantaneous (LSI) functions, backed by a 35 kAIC interrupt rating at 480V.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA6340-5HN31-0AA0 |
| Series | 3VA6 |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC, 18kA @ 600VAC |
| Amperage Range | 160-400A |
|---|
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P3 Panelboards, Switchboards |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator, Rotary Handle, Lug Kits, Padlock Attachment, DIN Rail Adapter |
|---|---|
| Accessories | None (No factory installed accessories) |
| Standards | IEC 60947-2, UL 489 |
| Approval | CE, CSA, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed |
Product FAQs
5 answersWhat frame size is the Siemens 3VA6340-5HN31-0AA0?
This breaker is built on the Siemens 3VA63 frame, which designates a 400-amp maximum frame size within the SENTRON 3VA6 molded case circuit breaker family.
How does the LSI electronic trip unit function on this breaker?
The integrated ETU350 electronic trip unit provides adjustable Long-Time (overload), Short-Time (delayed short circuit), and Instantaneous (immediate short circuit) protection. This allows panel builders to precisely coordinate the breaker's trip curve with downstream loads and other protective devices.
What type of distribution equipment is the 3VA6340-5HN31-0AA0 designed for?
This 400A feed-thru breaker is specifically engineered for larger distribution applications. It is compatible with Siemens P3 panelboards and commercial switchboards.
What breaking capacity class does the 3VA6340-5HN31-0AA0 fall under?
It is classified as a Class M (Medium) breaking capacity breaker within the 3VA6 series. This classification corresponds to its tested interrupting capacity of 35kA at 480V and 100kA at 240V.
Is the Siemens 3VA6340-5HN31-0AA0 suitable for reverse feed installations?
Yes, this breaker is suitable for reverse feed applications. It is also HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
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Rating
2 reviews
- PMPete M.Verified BuyerRated 5 out of 5 stars9/17/26Great price and avail
Great price and showed up when I needed it.
- RSRochelle S.Verified BuyerReviewingSiemens 3VA6225-5HL31-0AA0 - 250A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/2/25Smooth 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.