Siemens 3VA5140-4EC31-0AA0 Molded Case Circuit Breaker
- 40A
- 3 Pole
- Panel Mount
Siemens
3VA5140-4EC31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5140-4EC31-0AA0
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Siemens 3VA5140-4EC31-0AA0 - 40A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial applications, the Siemens 3VA5140-4EC31-0AA0 is a 3-pole molded case circuit breaker rated for 40 amps. It features a TM230 thermal-magnetic trip unit with fixed long-time and adjustable instantaneous (LI) protection. This breaker installs into Siemens P1, P2, and P3 panelboards and switchboards. As a modern upgrade, it serves as a direct cross-reference for discontinued ED63B040 and ED43B040 models. Rated 25kAIC at 480VAC and HACR certified.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5140-4EC31-0AA0 |
| Series | 3VA5 |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 14kA @ 600Y/347VAC, 50kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment, Lug Kits |
|---|---|
| Accessories | None (No Lugs Included) |
| Standards | IEC 60947-2, UL 489, HACR Rated |
| Approval | ABS, CE, CSA, EAC, IEC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Trip-Free Mechanism |
Product FAQs
6 answersWhich Siemens panelboards are compatible with the 3VA5140-4EC31-0AA0?
This 3VA5 frame circuit breaker is designed for use with Siemens P1, P2, and P3 panelboards, as well as Siemens switchboards.
What does the "4" in the 3VA5140-4EC31-0AA0 catalog number indicate?
The "4" designates it as a Class S breaking capacity breaker, which provides a 25kA interrupting rating at 480VAC.
What is the DC interrupting rating for this 3VA5 breaker?
It is rated for 50kA at 500VDC, making it suitable for high-capacity direct current applications.
Which trip unit is installed in the 3VA5140-4EC31-0AA0?
It is equipped with a TM230 thermal-magnetic trip unit, which provides fixed long-time (thermal) and adjustable instantaneous (magnetic) protection functions.
Does the 3VA5 series replace older Siemens breaker frames?
Yes, the 3VA51 molded case circuit breakers are the modern replacements for legacy Siemens ED frame breakers, offering a more compact design and modular accessories.
Can the 3VA5140-4EC31-0AA0 be reverse fed?
Yes, all Siemens 3VA5 thermal-magnetic trip circuit breakers are UL listed for reverse feed applications.
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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