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Siemens 3VA5340-6EF31-0AA0 Molded Case Circuit Breaker
- 400A
- 3 Pole
- Panel Mount
Siemens
3VA5340-6EF31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5340-6EF31-0AA0
Quantity
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Siemens 3VA5340-6EF31-0AA0 - 400A 3 Pole Molded Case Circuit Breaker
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Description
The 3VA5340-6EF31-0AA0 is a 400-amp, 3-pole molded case circuit breaker from Siemens' SENTRON 3VA5 family. Built for commercial and industrial power distribution, this Class H breaker delivers reliable overload and short-circuit protection for heavy-duty applications. Designed for panel mount installations, it integrates seamlessly into Siemens P3, P4, and P5 panelboards and switchboards.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5340-6EF31-0AA0 |
| Series | 3VA5 |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 280-400A |
|---|
| Frame Type | 3VA53 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P3, P4, P5 Panelboards, Switchboards |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Lugs, Nut Keeper Kit, Padlock Attachment |
|---|---|
| Accessories | None (No Lugs Included) |
| Standards | IEC 60947-2, UL 489, CSA C22.2 No. 5 |
| Approval | ABS, CE, CSA, EAC, IEC, RCM, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, Current Limiting, High Interrupting Capacity |
Product FAQs
6 answersWhich Siemens panelboards accept the 3VA5340-6EF31-0AA0 circuit breaker?
This 400A 3VA53 frame breaker is designed to integrate seamlessly into Siemens P3, P4, and P5 panelboards, as well as compatible Siemens switchboards.
Are terminal lugs included with the 3VA5340-6EF31-0AA0?
No, the -0AA0 catalog suffix indicates this breaker is supplied without lugs. It features a bolt-on connection for busbar mounting. If cable connections are required, the appropriate lug kits must be sourced separately.
What are the adjustable trip ranges for the TM240 trip unit on this breaker?
The TM240 ATAM thermal-magnetic trip unit features an adjustable thermal overload (Ir) from 320A to 400A, and an adjustable instantaneous short-circuit protection (Ii) from 5 to 10 times the continuous current rating.
What breaking capacity class does the 3VA5340-6EF31-0AA0 fall under?
This breaker is classified with a Class H breaking capacity, providing a 65kA interrupting rating at 480VAC and 25kA at 600VAC.
Is the 3VA5340-6EF31-0AA0 rated for DC voltage systems?
Yes, in addition to its 600VAC maximum rating, this molded case circuit breaker is rated for use in DC systems up to 500VDC.
How does the 3VA5340-6EF31-0AA0 differ from the 3VA5340-6EF31-2AA0?
The 3VA5340-6EF31-0AA0 is a standard 80% rated circuit breaker. The 3VA5340-6EF31-2AA0 is the 100% rated equivalent. Both share the same 400A frame, 65kAIC rating at 480V, and TM240 trip unit.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.
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Rating
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