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Siemens 3VA5340-5EF31-0AA0 Molded Case Circuit Breaker
- 400A
- 3 Pole
- Panel Mount
Siemens
3VA5340-5EF31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5340-5EF31-0AA0
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Siemens 3VA5340-5EF31-0AA0 - 400A 3 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty industrial applications, the Siemens 3VA5340-5EF31-0AA0 is a 3-pole, 400A molded case circuit breaker from the SENTRON family. It provides reliable long-time and instantaneous (LI) protection for complex electrical systems. This panel mount MCCB installs into Siemens 3VA panelboards and switchboards. It also serves as an exact replacement for legacy JD63B400 breakers. Rated at 85kAIC at 240V, it features a TM240 trip unit with adjustable thermal and magnetic settings.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5340-5EF31-0AA0 |
| Series | 3VA5 |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 85kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC |
| Amperage Range | 280-400A |
|---|
| Frame Type | 3VA53 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens 3VA 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, Rotary Handle, Padlock Attachment |
|---|---|
| Accessories | None (Nut Keeper) |
| Standards | IEC 60947-2, UL 489, HACR |
| Approval | ABS, CCC, CE, CSA, EAC, RCM, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
5 answersCan the 3VA5340-5EF31-0AA0 replace older Siemens JD frame breakers?
Yes, this 400A 3VA53 frame breaker serves as a direct replacement for legacy Siemens JD63B400 molded case circuit breakers.
What specific trip unit is installed in the 3VA5340-5EF31-0AA0?
It features a TM240 thermal-magnetic trip unit with adjustable thermal overload and adjustable magnetic short-circuit protection settings.
What is the adjustable thermal range for this 400A breaker?
The TM240 trip unit allows the continuous current overload protection to be adjusted from 320A up to the maximum 400A rating.
What is the adjustable magnetic trip range for this breaker?
The instantaneous short-circuit protection can be adjusted from 5 to 10 times the continuous current rating, allowing for precise coordination in your electrical system.
What is the operating temperature range for this circuit breaker?
The 3VA5340-5EF31-0AA0 is rated for operation in ambient temperatures ranging from -25 to 70 degrees Celsius (-13 to 158 degrees Fahrenheit).
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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