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Siemens 3VA5340-6EC32-0AA0 Molded Case Circuit Breaker
- 400A
- 3 Pole
- Panel Mount
Siemens
3VA5340-6EC32-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5340-6EC32-0AA0
Quantity
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Siemens 3VA5340-6EC32-0AA0 - 400A 3 Pole Molded Case Circuit Breaker
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Description
Part of the SENTRON 3VA5 series, the 3VA5340-6EC32-0AA0 is a 3-pole, 400A molded case circuit breaker built for commercial and industrial power distribution. It delivers reliable long-time and instantaneous (LI) protection. This panel-mount breaker installs into Siemens 3VA, P4, and P5 panelboards and switchboards. It serves as a replacement for legacy JXD63B400 breakers when used with a retrofit kit. Rated 65 kAIC at 480V, it features a TM230 trip unit and nut keeper terminals.Specifications
| Brand | Siemens |
|---|---|
| Series | 3VA5 |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Frame Type | 3VA53 |
|---|---|
| Terminal Type | Nut Keeper |
| For Use With | Siemens 3VA Panelboards, Siemens P4/P5 Panelboards (with kit), Switchboards |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator |
|---|---|
| Accessories | Nut Keeper Kit |
| Standards | IEC 60947-2, UL 489, HACR |
| Approval | ABS, CE, CSA, EAC, IEC, RCM, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
9 answersWhat panelboards are compatible with the Siemens 3VA5340-6EC32-0AA0?
This breaker is designed for use in Siemens 3VA panelboards, switchboards, and Siemens P4 or P5 panelboards when using the appropriate mounting kit.
What type of terminals does the 3VA5340-6EC32-0AA0 come with?
This breaker features nut keeper terminals, which are designed to accept bolt-on mechanical or compression lugs. Lugs are typically sold separately.
Can the Siemens 3VA5340-6EC32-0AA0 be reverse fed?
Yes, the Siemens 3VA5 series breakers, including this 400A model, are suitable for reverse feed applications, allowing for flexible installation orientations.
What does the LI trip function mean on this breaker?
The LI designation indicates that the thermal-magnetic trip unit provides Long-Time (L) protection for overloads and Instantaneous (I) protection for short circuits.
Is the trip unit on the 3VA5340-6EC32-0AA0 adjustable?
Yes, it features a TM230 thermal-magnetic trip unit with a fixed thermal setting for overload protection and an adjustable magnetic setting for instantaneous short-circuit protection.
Can this breaker replace older Siemens legacy breakers?
Yes, the 3VA53 400A frame is the modern replacement for legacy Siemens JD6 and JXD6 series breakers, such as the JXD63B400, though mounting hardware may differ depending on the enclosure.
Does this breaker include mounting hardware or lugs?
The 3VA5340-6EC32-0AA0 comes with nut keeper terminals for lug installation, but the mechanical or compression lugs and specific panelboard mounting kits must be purchased separately.
What does the 6EC32 in the part number signify?
In the Siemens 3VA nomenclature, this section of the part number indicates the interrupting class, the TM230 thermal-magnetic trip unit, and the specific terminal configuration.
Is the 3VA5340-6EC32-0AA0 HACR rated?
Yes, Siemens 3VA5 molded case circuit breakers are HACR rated, making them suitable for heating, air conditioning, and refrigeration applications.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 9 reviews.
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Rating
9 reviews
- MRMark R.Verified BuyerReviewingSiemens 3VA5290-5EC31-0AA0 - 90A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/6/26Breaker from SuperBreakers
SuperBreakers had what I needed and got it to me very Fast.
- 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