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Siemens 3VA5125-4ED31-0AA0 Molded Case Circuit Breaker
- 25A
- 3 Pole
- Panel Mount
Siemens
3VA5125-4ED31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5125-4ED31-0AA0
Quantity
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Siemens 3VA5125-4ED31-0AA0 - 25A 3 Pole Molded Case Circuit Breaker
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25A 3 Pole Molded Case Circuit Breaker
25A 3 Pole Molded Case Circuit Breaker
25A 3 Pole Molded Case Circuit Breaker
Description
Engineered for commercial and industrial applications, the Siemens 3VA5125-4ED31-0AA0 is a 3-pole MCCB from the SENTRON family. It delivers robust 25A protection for modern power distribution systems. This breaker installs into Siemens 3VA panelboards and motor control centers, serving as a replacement for the legacy ED43B025. Rated 25kAIC at 480VAC, it features a TM210 trip unit with fixed thermal and magnetic settings. The current-limiting design is ideal for demanding motor loads.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5125-4ED31-0AA0 |
| Series | 3VA5 |
| Amperage | 25A |
| 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 3VA Panelboards, Switchboards, Motor Control Centers |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Lugs, DIN Rail Adapter, Handle Lock |
|---|---|
| Accessories | Nut Keeper |
| Standards | IEC 60947-2, UL 489, CSA C22.2 No. 5 |
| Approval | ABS, CE, CSA, DNV, EAC, Lloyd's, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed |
Product FAQs
7 answersWhat legacy Siemens circuit breaker does the 3VA5125-4ED31-0AA0 replace?
This 3VA5 series breaker serves as a modern replacement for the legacy Siemens ED43B025 molded case circuit breaker.
Is the Siemens 3VA5125-4ED31-0AA0 rated for reverse feed applications?
Yes, Siemens 3VA5 thermal-magnetic trip circuit breakers are UL listed for reverse feed applications.
What frame size is the 3VA5125-4ED31-0AA0?
This breaker is built on the Siemens 3VA51 frame, which has a maximum capacity of 125A.
What equipment is the 3VA5125-4ED31-0AA0 compatible with?
This breaker is designed for use in Siemens 3VA panelboards, switchboards, and motor control centers.
How should this 3-pole breaker be wired for 500VDC applications?
When applying this breaker on 500V ungrounded DC systems, the power supply must be connected in a zig-zag (series) configuration through all three poles.
Are the thermal and magnetic trip settings adjustable on the 3VA5125-4ED31-0AA0?
No, this breaker uses a TM210 thermal-magnetic trip unit with fixed long-time and fixed instantaneous protection settings.
What is the breaking capacity class of the 3VA5125-4ED31-0AA0?
This breaker features a Standard (Class S) breaking capacity, which provides a 25kA interrupting rating at 480VAC.
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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