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Siemens 3VA5125-4ED21-0AA0 Molded Case Circuit Breaker
- 25A
- 2 Pole
- Panel Mount
Siemens
3VA5125-4ED21-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5125-4ED21-0AA0
Quantity
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Siemens 3VA5125-4ED21-0AA0 - 25A 2 Pole Molded Case Circuit Breaker
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Description
A dependable solution for power distribution, the Siemens 3VA5125-4ED21-0AA0 handles 2-pole, 25A loads with ease. Equipped with a TM210 trip unit, it offers fixed thermal and magnetic protection against overloads. This unit provides a 25kAIC rating at 480VAC. Designed for panel mount applications, it installs into Siemens P1 and P2 panelboards. It serves as an effective replacement for legacy ED62B025 breakers when utilizing the required mounting hardware. UL 489 listed and HACR rated.Specifications
| Brand | Siemens |
|---|---|
| Series | 3VA5 |
| Amperage | 25A |
| Poles | 2 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480Y/277VAC, 25kA @ 480VAC, 14kA @ 600Y/347VAC, 25kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1 Panelboards, Siemens P2 Panelboards, Siemens Switchboards |
| 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, Rotary Handle, Lugs |
|---|---|
| Accessories | Lugs Not Included |
| Standards | IEC 60947-2, UL 489, CSA C22.2 No. 5 |
| Approval | ABS, CE, CSA, EAC, IEC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting |
Product FAQs
8 answersWhich Siemens panelboards accept the 3VA5125-4ED21-0AA0 circuit breaker?
It is compatible with Siemens P1 and P2 panelboards, as well as Siemens switchboards. Note that specific mounting hardware or strap kits are required for proper installation in these panels.
Can the 3VA5125-4ED21-0AA0 replace older Siemens ED-frame breakers?
Yes, this 3VA51 frame breaker can serve as a modern replacement for legacy ED62B025 circuit breakers when utilizing the required mounting hardware or retrofit kits.
Is the 3VA5125-4ED21-0AA0 rated for reverse feed applications?
Yes, like all Siemens 3VA5 thermal-magnetic molded case circuit breakers, this unit is UL listed for reverse feed installations.
What breaking capacity class does the 3VA5125-4ED21-0AA0 fall under?
This breaker features Siemens Class S standard breaking capacity, which provides a 25kA interrupting rating at 480V AC and 65kA at 240V AC.
Is this 25A Siemens breaker HACR rated?
Yes, the 3VA5125-4ED21-0AA0 carries an HACR rating, making it suitable for protecting heating, air conditioning, and refrigeration equipment circuits.
Can the trip settings be adjusted on the 3VA5125-4ED21-0AA0?
No, this breaker is equipped with a TM210 thermal-magnetic trip unit, which features permanently fixed long-time (thermal) and instantaneous (magnetic) protection settings.
What is the physical frame size of the 3VA5125-4ED21-0AA0?
While this specific breaker is factory-calibrated for a 25A continuous current, it is built on the Siemens 3VA51 frame, which supports up to a 125A maximum rating.
How is this 2-pole breaker applied in DC networks?
The 3VA5125-4ED21-0AA0 is rated for direct current applications up to 250V DC. When applying a 2-pole breaker on 250V DC systems, one pole is typically connected to each leg of the supply circuit.
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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