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Siemens 3VA5170-4EC31-0AA0 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Panel Mount
Siemens
3VA5170-4EC31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5170-4EC31-0AA0
Quantity
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Siemens 3VA5170-4EC31-0AA0 - 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
Built for robust power distribution, the Siemens 3VA5170-4EC31-0AA0 is a 3-pole, 70A molded case circuit breaker built on the compact 3VA51 frame. It is designed to mount into Siemens P1, P2, and P3 panelboards, SB switchboards, and motor control centers, acting as a drop-in upgrade for ED63B070 units. This Class S breaker delivers 65 kAIC at 240V and features a TM230 thermal-magnetic trip unit with fixed thermal and adjustable magnetic protection. Note that lug connections are not included.Specifications
| Brand | Siemens |
|---|---|
| Series | 3VA5 |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 14kA @ 600Y/347VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3 Panelboards, SB Switchboards, Motor Control Centers |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator, Handle Lock, Padlock Attachment, DIN Rail Adapter, Busbar System |
|---|---|
| Accessories | None (Without connection) |
| Standards | IEC 60947-2, UL 489 |
| Approval | CE, CSA, EAC, IEC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed |
Product FAQs
7 answersWhich Siemens panelboards are compatible with the 3VA5170-4EC31-0AA0?
This breaker is designed to mount into Siemens P1, P2, and P3 panelboards, as well as SB switchboards and motor control centers.
What legacy Siemens circuit breaker does the 3VA5170-4EC31-0AA0 replace?
This 3VA51 frame breaker serves as a modern drop-in upgrade and replacement for the legacy ED63B070 circuit breaker.
What is the frame size for the 3VA5170-4EC31-0AA0?
This breaker is built on the compact Siemens 3VA51 frame, which has a maximum capacity of 125A.
What type of trip unit is included with the 3VA5170-4EC31-0AA0?
It is equipped with a TM230 thermal-magnetic trip unit that provides fixed thermal (long-time) and adjustable magnetic (instantaneous) protection.
Are 3VA5 thermal-magnetic breakers suitable for reverse feed applications?
Yes, Siemens 3VA5 thermal-magnetic circuit breakers are UL listed for reverse feed applications.
Can the 3VA5170-4EC31-0AA0 be applied on direct current (DC) systems?
Yes, this breaker is rated for use on DC systems up to 500VDC. When applying three-pole breakers on 500V ungrounded DC systems, the power supply must be connected in a zig-zag configuration through the breaker to ensure voltage is uniformly distributed.
What wire size do the standard lugs for the 3VA51 frame accept?
When equipped with standard 3VA9133-0JB11 lug kits, the 125A 3VA5 frame accepts 14 AWG to 3/0 AWG 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