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Siemens 3VA5125-6ED31-0AA0 Molded Case Circuit Breaker
- 25A
- 3 Pole
- Panel Mount
Siemens
3VA5125-6ED31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5125-6ED31-0AA0
Quantity
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Siemens 3VA5125-6ED31-0AA0 - 25A 3 Pole Molded Case Circuit Breaker
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Description
Built for demanding electrical systems, the Siemens 3VA5125-6ED31-0AA0 is a 3-pole, 25A molded case circuit breaker. It delivers reliable thermal-magnetic protection for commercial, industrial, and marine environments. This unit mounts into Siemens P1, P2, P3, and 3VA panelboards. It can also replace legacy HHED63B025 breakers when used with the appropriate mounting kit. Featuring a Class H 65kAIC rating at 480VAC, it includes a TM210 trip unit with fixed thermal and magnetic settings.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5125-6ED31-0AA0 |
| 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, Fixed Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator, Rotary Handle, Lug Kits, Busbar System |
|---|---|
| Accessories | None (Without Connection) |
| Standards | IEC 60947-2, UL 489, CSA C22.2 No. 5 |
| Approval | ABS, CE, CSA, DNV, EAC, KR, LRS, RCM, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, High Interrupting Capacity |
Product FAQs
8 answersCan I use the 3VA5125-6ED31-0AA0 to replace an older HHED63B025 breaker?
Yes. The 3VA5125-6ED31-0AA0 is the modern 3VA5 series replacement for the legacy ED-frame HHED63B025. Because the frame dimensions differ, you will need the appropriate 3VA mounting kit to install it in existing Siemens P1, P2, or P3 panelboards.
Does the 3VA5125-6ED31-0AA0 come with mounting lugs included?
No. The -0AA0 suffix in the catalog number indicates that this breaker ships with bare terminals (punched copper bars) and no lugs. If you are not connecting directly to busbar, you must purchase the appropriate aluminum or copper lug kits separately.
Is the 3VA5125-6ED31-0AA0 suitable for reverse feed applications?
Yes. This thermal-magnetic molded case circuit breaker is reverse feed capable, allowing power to be supplied from either the line or load side terminals.
What type of trip unit is installed in the 3VA5125-6ED31-0AA0?
This breaker is equipped with a TM210 thermal-magnetic trip unit. It provides fixed long-time (overload) and fixed instantaneous (short-circuit) protection, meaning the trip settings cannot be adjusted in the field.
What frame size is the 3VA5125-6ED31-0AA0?
This breaker is built on the Siemens 3VA51 frame, which has a maximum capacity of 125 amps. This specific unit is factory-calibrated for a 25A continuous current.
Is the 3VA5125-6ED31-0AA0 HACR rated?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment branch circuits.
What safety standards does the 3VA5125-6ED31-0AA0 meet?
This breaker is UL 489 listed and CSA certified for North American applications. It also meets IEC 60947-2 standards for global industrial use.
What wire size does the 3VA5125-6ED31-0AA0 accept?
Because this -0AA0 variant ships without lugs, the wire size depends on the specific lug kit you purchase and install. Standard 3VA51 lug kits typically accept 14 AWG to 1/0 AWG copper or aluminum wire.
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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