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Siemens 3VA5125-6EC31-0AA0 Molded Case Circuit Breaker
- 25A
- 3 Pole
- Panel Mount
Siemens
3VA5125-6EC31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5125-6EC31-0AA0
Quantity
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Siemens 3VA5125-6EC31-0AA0 - 25A 3 Pole Molded Case Circuit Breaker
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Description
Built for demanding industrial environments, the Siemens 3VA5125-6EC31-0AA0 delivers robust 3-pole, 25A circuit protection. As part of the SENTRON 3VA5 family, it offers advanced current-limiting capabilities. This unit mounts into Siemens P1, P2, P3, and dedicated 3VA panelboards. It can also replace legacy HHED63B025 breakers when used with the appropriate mounting kit. The breaker features a high 65kAIC rating at 480VAC and a TM230 trip unit with adjustable magnetic protection.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5125-6EC31-0AA0 |
| Series | 3VA5 |
| Amperage | 25A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 150kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 100kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3 Panelboards, 3VA 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, DIN Rail Adapter, Handle Lock, Padlock Attachment |
|---|---|
| Accessories | None (Standard 0AA0 suffix indicates no auxiliary switches or releases) |
| Standards | HACR, IEC 60947-2, UL 489 |
| Approval | CE, CSA, EAC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
7 answersWhat panelboards are compatible with this 3VA5 circuit breaker?
This breaker is designed for panel mount installations and integrates into Siemens P1, P2, P3, and dedicated 3VA panelboards, as well as standard switchboards.
Can this breaker replace older Siemens ED-frame models?
Yes, the 3VA5 series can serve as a replacement for legacy ED-frame breakers, such as the HHED63B025, when installed with the appropriate retrofit mounting kit.
What does the LI trip function indicate on this breaker?
The LI designation means the thermal-magnetic trip unit provides Long-Time for overload protection and Instantaneous for short-circuit protection. It features a fixed thermal setting and an adjustable magnetic trip dial.
How is the magnetic trip adjusted on this breaker?
The instantaneous magnetic trip is adjusted using the dial located on the front face of the TM230 trip unit, allowing electricians to fine-tune the short-circuit response.
Is this 25A breaker suitable for direct current applications?
Yes, it is rated for use in DC systems up to 500VDC, providing a 100kA interrupting capacity at that voltage.
Can the Siemens 3VA5125-6EC31-0AA0 be reverse fed?
Yes, this breaker features a non-interchangeable trip unit and is reverse feed capable, allowing line power to be connected to either the top or bottom terminals.
Is this circuit breaker HACR rated?
Yes, it carries an HACR rating, making it suitable for protecting heating, air conditioning, and refrigeration equipment circuits.
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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