Siemens 3VA5340-5EC31-2AA0 Circuit Breaker
- 400A
- 3 Pole
- Unit Mount
Quantity
Siemens 3VA5340-5EC31-2AA0 3 Pole Circuit Breaker
New
Quantity
Description
Siemens 3VA5340-5EC31-2AA0 3 Pole Circuit Breaker
The Siemens 3VA5340-5EC31-2AA0 is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 400 Amps. It has an interrupting rating of 35kAIC at 480V. The 3VA5340-5EC31-2AA0 features a 3VA5 frame type.
Specifications
| Brand | Siemens |
|---|---|
| Series | 3VA5 |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 600VAC, 600VDC |
| Phase | 3 |
| AIC Rating | 85kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 50kA @ 250VDC, 50kA @ 500VDC, 50kA @ 600VDC |
| Frame Type | 400 |
|---|
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Standards | WEEE, RoHS, REACh |
|---|---|
| Approval | UL |
Product FAQs
6 answersDoes the 3VA5340-5EC31-2AA0 come with line and load lugs?
No. The -2AA0 suffix indicates this breaker is supplied without connection lugs. Line and load lugs must be purchased separately and field-installed.
What type of trip unit is installed in the 3VA5340-5EC31-2AA0?
This breaker features a TM230 thermal-magnetic trip unit (FTAM). It has a fixed thermal overload setting of 400A and an adjustable magnetic short-circuit setting ranging from 5 to 10 times the continuous current (2000A to 4000A).
Is the Siemens 3VA5340-5EC31-2AA0 suitable for reverse feed applications?
Yes. All Siemens 3VA53 thermal-magnetic circuit breakers are UL listed for reverse feed applications, allowing power to be supplied from either the top or bottom terminals.
How do I specify this breaker with factory-installed lugs?
To order this breaker with factory-installed standard line and load lugs, the 12th digit of the catalog number must be changed to 6. The 3VA5340-5EC31-2AA0 model requires lugs to be purchased separately for field installation.
Can I install internal accessories like shunt trips or auxiliary switches in this breaker?
Yes, the Siemens 3VA5 series features modular internal accessory pockets. Accessories like shunt trips, undervoltage releases, and auxiliary contacts can be field-installed under the front cover.
What frame size does the 3VA5340-5EC31-2AA0 belong to?
This breaker is part of the Siemens 3VA53 frame size, which covers molded case circuit breakers up to a 400A maximum continuous current rating.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.
- EAEdward A.Verified BuyerReviewingSiemens 3VA5112-5EC31-0AA0 - 125A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/11/26Quick Shipping
Instock and quick free shipping over a $100
- JFJustin F.Verified BuyerReviewingSiemens 3VA5450-5EC31-0AA0 - 500A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/2/26SIEMENS BREAKER WAS SENT NEXT DAY...
ORDER CAME WHEN IT WAS PROMISSED AND WAS CORRECT... HAPPY CUSTOMER.
THANK YOU,
JUSTIN
- GMGary M.Verified BuyerRated 4 out of 5 stars6/19/26Hard to find Siemens breaker
Great product at a fair price
- RJRene J.Verified BuyerReviewingSiemens 3VA5212-6EF31-0AA0 - 125A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars4/13/26Siemens 3VA5212-6EF31-0AA0
Item arrived quickly and in perfect condition
- DTDENNIS T.Verified BuyerReviewingSiemens 3VA5220-6ED31-0AA0 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/15/26Breaker Purchase
Great price and fast shipment