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Siemens 3VA5212-7ED31-0AA0 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Panel Mount
Siemens
3VA5212-7ED31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5212-7ED31-0AA0
Quantity
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Siemens 3VA5212-7ED31-0AA0 - 125A 3 Pole Molded Case Circuit Breaker
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Description
Built for commercial and industrial power systems, the Siemens 3VA5212-7ED31-0AA0 is a 3-pole, 125A molded case circuit breaker. It belongs to the SENTRON 3VA5 frame group, offering robust current-limiting performance. This panel mount breaker is compatible with Siemens P1, P2, and P3 panelboards as well as switchboards. It is an exact substitute for the legacy HFD63B125, making upgrades and replacements straightforward. Equipped with a TM210 trip unit, it features fixed LI protection.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5212-7ED31-0AA0 |
| Series | 3VA5 |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC, 250VDC, 500VDC, 750VDC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480Y/277VAC, 100kA @ 480VAC, 35kA @ 600Y/347VAC, 35kA @ 600VAC, 100kA @ 250VDC, 100kA @ 500VDC, 100kA @ 750VDC |
| 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, Fixed Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator, Rotary Handle, Handle Lock, Padlock Attachment, DIN Rail Adapter, Lug Kits |
|---|---|
| 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, Trip-Free Mechanism |
Product FAQs
7 answersWhat panelboards are compatible with the 3VA5212-7ED31-0AA0?
This breaker is designed for panel mounting in Siemens P1, P2, and P3 panelboards, as well as Siemens switchboards.
Can the 3VA5212-7ED31-0AA0 replace older Siemens FD frame breakers?
Yes, this 3VA52 frame breaker serves as a direct replacement for the legacy Siemens HFD63B125 125-amp, 3-pole circuit breaker.
What is the frame size of the 3VA5212-7ED31-0AA0?
It is built on the Siemens 3VA52 frame, which has a maximum physical capacity of 250 amps, although this specific unit is factory-set for a 125-amp continuous current rating.
What type of trip unit is equipped on this breaker?
It features a TM210 thermal magnetic trip unit providing fixed long-time (thermal) and fixed instantaneous (magnetic) protection functions.
Can the 3VA5212-7ED31-0AA0 be reverse fed?
Yes, Siemens 3VA5 thermal magnetic circuit breakers are UL listed for reverse feed applications, allowing flexibility when routing line and load wiring.
Does this breaker include a trip-free mechanism?
Yes, it features a trip-free mechanism that ensures the breaker will safely trip during an overcurrent or short-circuit event, even if the handle is physically held in the ON position.
Is the 3VA5212-7ED31-0AA0 HACR rated?
Yes, this breaker is HACR rated, certifying it for safe use in 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