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Siemens 3VA5125-6ED21-0AA0 Molded Case Circuit Breaker
- 25A
- 2 Pole
- Panel Mount
Siemens
3VA5125-6ED21-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5125-6ED21-0AA0
Quantity
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Siemens 3VA5125-6ED21-0AA0 - 25A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial use, the Siemens 3VA5125-6ED21-0AA0 is a 2-pole, 25A molded case circuit breaker. It provides robust electrical protection utilizing a proven thermal-magnetic mechanism. This panel-mount MCCB installs into Siemens 3VA panelboards and motor control centers. It also serves as a replacement for legacy HED42B025 breakers. Rated 65kAIC at 480VAC, this Class H breaker features a TM210 trip unit with fixed settings. It is HACR rated and current limiting.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5125-6ED21-0AA0 |
| Series | 3VA5 |
| Amperage | 25A |
| Poles | 2 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 150kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 100kA @ 250VDC |
| 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 | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator, Lugs, Nut Keeper Kit, Padlock Attachment |
|---|---|
| Accessories | None (Nut Keeper Included) |
| Standards | IEC 60947-2, UL 489, HACR |
| Approval | ABS, CE, CSA, EAC, IEC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed |
Product FAQs
6 answersWhat types of enclosures and panels are compatible with the 3VA5125-6ED21-0AA0?
This 2-pole breaker is designed for installation in Siemens 3VA panelboards, switchboards, and motor control centers.
Can I adjust the trip settings on this 25A circuit breaker?
No, the 3VA5125-6ED21-0AA0 features a thermal magnetic trip unit with fixed thermal and fixed magnetic settings, meaning the trip thresholds cannot be modified in the field.
Is the Siemens 3VA5125-6ED21-0AA0 rated for use in direct current (DC) systems?
Yes, this molded case circuit breaker is rated for DC applications up to 250VDC, providing an interrupting capacity of 100kA at that voltage.
Does this breaker provide ground fault or arc fault protection?
No, this model features an LI (Long-Time and Instantaneous) trip function. It provides standard overload and short-circuit protection but does not include integrated ground fault (GFCI) or arc fault (AFCI) capabilities.
What does the "6" in the 3VA5125-6ED21-0AA0 catalog number indicate?
In the Siemens 3VA nomenclature, the "6" designates the breaking capacity class. For this 3VA5 UL frame, it indicates a Class H interrupting rating of 65kA at 480VAC.
Is the Siemens 3VA5125-6ED21-0AA0 suitable for reverse feed applications?
Yes, all Siemens 3VA5 thermal magnetic molded case 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