Siemens 3VA5170-4EF31-0AA0 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Panel Mount
Siemens
3VA5170-4EF31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5170-4EF31-0AA0
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Siemens 3VA5170-4EF31-0AA0 - 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
Offering advanced overload and short-circuit protection, this 70A molded case circuit breaker is ideal for modern facilities. The 3VA5 frame design ensures reliable performance across demanding commercial and industrial environments. It installs into Siemens P1, P2, and P3 panelboards and switchboards. This model also acts as a seamless substitute for older ED43B070 breakers. Rated at 25 kAIC at 480V, it features a TM240 trip unit with adjustable thermal and magnetic settings.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5170-4EF31-0AA0 |
| 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, 50kA @ 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, Lug Kits, DIN Rail Adapter |
|---|---|
| Accessories | None (Without Connection) |
| Standards | IEC 60947-2, UL 489, CSA C22.2 No. 5 |
| Approval | CE, CSA, EAC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Trip-Free Mechanism |
Product FAQs
6 answersWhich panelboards are compatible with the Siemens 3VA5170-4EF31-0AA0 circuit breaker?
This breaker is designed for use in Siemens P1, P2, and P3 panelboards, as well as Siemens switchboards. It requires the appropriate mounting hardware kit for installation.
Can the 3VA5170-4EF31-0AA0 replace older Siemens ED-frame breakers?
Yes, this 3VA51 frame breaker serves as a modern replacement for legacy 70A, 3-pole ED-frame breakers, such as the ED43B070 and ED63B070, when installed with the correct retrofit mounting kit.
What is the frame size of the 3VA5170-4EF31-0AA0?
This breaker is built on the Siemens 3VA51 frame, which has a maximum capacity of 125A.
What type of trip unit is equipped on this 3VA5 breaker?
It features a TM240 thermal-magnetic trip unit with an LI (Long-Time and Instantaneous) trip function. This provides both adjustable thermal (overload) and adjustable magnetic (short-circuit) protection settings to fine-tune the breaker to your specific application.
Can this breaker be reverse fed?
Yes, Siemens 3VA5 thermal-magnetic molded case circuit breakers are UL listed for reverse feed applications.
Is this breaker suitable for use in DC electrical systems?
Yes, it is rated for up to 500VDC with an interrupting capacity of 50kA, making it suitable for direct current applications.
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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