Siemens 3VA6340-0HM31-0AA0 Molded Case Circuit Breaker
- 400A
- 3 Pole
- Panel Mount
Quantity
Siemens 3VA6340-0HM31-0AA0 - 400A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Designed for heavy-duty power distribution, the Siemens 3VA6340-0HM31-0AA0 is a 3-pole, 400A MCCB. It features an ETU330 electronic trip unit, offering adjustable LIG protection for complex systems. This breaker installs into Siemens P4 and P5 panelboards, switchboards, and motor control centers. The standardized 3VA frame simplifies integration into existing infrastructure. Rated for 200 kAIC at 480V, this Class E current-limiting MCCB is HACR rated and reverse feed suitable.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA6340-0HM31-0AA0 |
| Series | 3VA6 |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 200kA @ 480Y/277VAC, 200kA @ 480VAC, 100kA @ 600Y/347VAC, 100kA @ 600VAC |
| Amperage Range | 160-400A |
|---|
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P4, P5 Panelboards, Switchboards, Motor Control Centers |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LIG |
| Trip Function | Long-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Nut Keeper Kit, Lug Kits, Padlock Attachment, Rotary Handle |
|---|---|
| Accessories | Nut Keeper Kit |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, Current Limiting |
Product FAQs
6 answersWhich Siemens panelboards accept the 3VA6340-0HM31-0AA0 breaker?
This 400A molded case circuit breaker is compatible with Siemens P4 and P5 panelboards, as well as standard Siemens switchboards and motor control centers.
What protection functions are included in the ETU330 LIG trip unit?
The LIG electronic trip unit provides adjustable Long-Time (overload), Instantaneous (short-circuit), and Ground-Fault protection. This allows for precise coordination in commercial and industrial power distribution systems.
What is the maximum interrupting rating for the 3VA6340-0HM31-0AA0 at 600VAC?
This Class E breaking capacity breaker provides a 100kA interrupting rating at 600VAC, and a 200kA interrupting rating at 480VAC.
Does this 3VA6 breaker include integrated ground-fault protection?
Yes, the G in the LIG trip unit designation indicates built-in, adjustable ground-fault protection, eliminating the need for an external ground-fault relay in many applications.
How are the trip settings adjusted on the 3VA6340-0HM31-0AA0?
The ETU330 electronic trip unit features physical dials on the front of the breaker to adjust the continuous current, instantaneous short-circuit pickup, and ground-fault pickup settings.
What frame size is the 3VA6340-0HM31-0AA0?
It is built on the Siemens 3VA63 frame, which is a 400A maximum frame size within the SENTRON 3VA6 series.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 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.