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Siemens 3VA5170-5EF31-0AA0 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Panel Mount
Siemens
3VA5170-5EF31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5170-5EF31-0AA0
Quantity
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Siemens 3VA5170-5EF31-0AA0 - 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
Engineered for maximum flexibility, the Siemens 3VA5170-5EF31-0AA0 is a 3-pole, 70A molded case circuit breaker. It provides customizable defense for industrial facilities. This 125A-frame MCCB is compatible with Siemens P1, P2, and P3 panelboards. It serves as a direct upgrade for discontinued ED43B070 and ED63B070 models. Unlike fixed models, it features a TM240 trip unit with adjustable thermal and magnetic settings (ATAM). It delivers a Class M 35kAIC rating at 480V.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5170-5EF31-0AA0 |
| Series | 3VA5 |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 85kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC, 85kA @ 500VDC |
| Amperage Range | 49-70A |
|---|
| 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 | Adjustable Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment, DIN Rail Adapter, Lug Kits |
|---|---|
| Accessories | None (Without Connection) |
| 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, Medium Interrupting Capacity |
Product FAQs
6 answersCan the 3VA5170-5EF31-0AA0 be used to replace older Siemens ED frame breakers?
Yes, this 125A frame 3VA5 breaker serves as a direct modern upgrade for legacy 70A ED frame models, including the discontinued ED43B070 and ED63B070 circuit breakers.
What are the adjustment ranges for the TM240 trip unit on this breaker?
The TM240 trip unit features Adjustable Thermal and Adjustable Magnetic (ATAM) settings. The thermal overload protection (Ir) can be adjusted from 56A to 70A, while the instantaneous short-circuit protection (Ii) is adjustable from 350A to 700A (5 to 10 times the nominal current).
Which Siemens distribution panels accept the 3VA5170-5EF31-0AA0 circuit breaker?
This molded case circuit breaker is engineered for direct installation into Siemens P1, P2, and P3 panelboards, as well as compatible Siemens switchboards.
What breaking capacity class does the 3VA5170-5EF31-0AA0 fall under?
This unit features a Class M (Medium) breaking capacity. This classification delivers a 35kA interrupting rating at 480VAC, 85kA at 240VAC, and 18kA at 600Y/347VAC.
What is the physical frame size of the 3VA5170-5EF31-0AA0?
This 70A breaker is built on the Siemens 3VA51 frame, which is a 125A maximum frame size designed for compact panel mounting.
Is the 3VA5170-5EF31-0AA0 rated for DC voltage applications?
Yes, this thermal-magnetic circuit breaker is rated for use in DC systems, providing an 85kA interrupting rating at 500VDC.
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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