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Siemens 3VA5270-6EC31-0AA0 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Panel Mount
Siemens
3VA5270-6EC31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5270-6EC31-0AA0
Quantity
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Siemens 3VA5270-6EC31-0AA0 - 70A 3 Pole Molded Case Circuit Breaker
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70A 3 Pole Molded Case Circuit Breaker
70A 3 Pole Molded Case Circuit Breaker
70A 3 Pole Molded Case Circuit Breaker
Description
Belonging to the Siemens SENTRON family, this 3-pole, 70A molded case circuit breaker provides reliable commercial and industrial power distribution. This panel mount MCCB installs into Siemens 3VA panelboards and switchboards. It serves as an exact upgraded replacement for legacy HFD63B070 breakers, ensuring seamless integration into existing infrastructure. Featuring a thermal-magnetic trip unit, it provides fixed thermal and adjustable magnetic protection with a robust 65kAIC rating at 480V.Specifications
| Brand | Siemens |
|---|---|
| Series | 3VA5 |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 25kA @ 600VAC |
| Frame Type | 3VA52 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens 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, Padlock Attachment, Busbar System |
|---|---|
| Accessories | Nut Keeper |
| Standards | IEC 60947-2, UL 489 |
| Approval | ABS, CE, CSA, EAC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Trip-Free Mechanism |
Product FAQs
6 answersWhat legacy Siemens circuit breaker does the 3VA5270-6EC31-0AA0 replace?
This 3VA5 series breaker serves as an upgraded replacement for legacy Siemens HFD63B070 circuit breakers, allowing for seamless integration into existing infrastructure.
What are the trip unit specifications for the 3VA5270-6EC31-0AA0?
It features a TM230 thermal-magnetic trip unit with fixed thermal overload protection and adjustable magnetic short-circuit protection. The magnetic trip can be adjusted between 5 and 10 times the 70A continuous current rating.
What is the maximum capacity of the 3VA52 frame used in this breaker?
The Siemens 3VA52 frame supports a maximum continuous current of 250 amps. The 3VA5270-6EC31-0AA0 is a 70A configuration built on this robust 250A frame.
What equipment is compatible with the 3VA5270-6EC31-0AA0?
This panel-mount molded case circuit breaker is engineered specifically for installation in Siemens 3VA panelboards and switchboards.
Does the 3VA5270-6EC31-0AA0 support field-installed internal accessories?
Yes, the 3-pole 3VA5 design includes accessory pockets that allow electricians to field-install internal components like auxiliary switches, alarm contacts, and shunt trips.
What breaking capacity class does the 3VA5270-6EC31-0AA0 fall under?
This breaker is rated as Class H for high breaking capacity. This designation corresponds to its tested interrupting ratings of 65kAIC at 480V and 25kAIC at 600V.
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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