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Siemens 3VA5217-7EC31-0AA0 Molded Case Circuit Breaker

  • 175A
  • 3 Pole
  • Panel Mount
Siemens 3VA5217-7EC31-0AA0
Molded Case Circuit Breaker
Brand Siemens
SKU 3VA5217-7EC31-0AA0
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  • 175A
  • 3 Pole
  • Panel Mount

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Siemens 3VA5217-7EC31-0AA0 - 175A 3 Pole Molded Case Circuit Breaker

Siemens 3VA5217-7EC31-0AA0 - 175A 3 Pole Molded Case Circuit Breaker

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$2,233.00 In Stock

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Description

Engineered for industrial power distribution, the 3VA5217-7EC31-0AA0 is a 175A, 3-pole molded case circuit breaker from the SENTRON 3VA5 series. This 250A frame breaker installs into Siemens P2 and P3 panelboards. It serves as a direct replacement for legacy HHFD63B175 and CFD63B175 units. Rated 100 kAIC at 480VAC, it features a TM230 trip unit with fixed thermal and adjustable magnetic settings. The current-limiting design is HACR rated.

Specifications

Key specifications
Brand Siemens
Series 3VA5
Amperage 175A
Poles 3
Mounting Style Panel Mount
Voltage 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC, 750VDC
Phase 3
AIC Rating 200kA @ 240VAC, 100kA @ 480Y/277VAC, 100kA @ 480VAC, 35kA @ 600Y/347VAC, 35kA @ 600VAC, 100kA @ 750VDC
Fit and installation
Frame Type 3VA52
Terminal Type Lugs
For Use With Siemens P2, P3 Panelboards, Switchboards
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, DIN Rail Adapter, Padlock Attachment, Lug Kits
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, Current Limiting, Reverse Feed

Product FAQs

6 answers
What panelboards are compatible with the 3VA5217-7EC31-0AA0?

This breaker is designed for installation in Siemens P2 and P3 panelboards, as well as Siemens switchboards. Specific mounting strap kits are required depending on whether it is installed as a main or branch device.

Can this breaker replace older Siemens FD frame models?

Yes, the 3VA5217-7EC31-0AA0 serves as a direct replacement for legacy Siemens HHFD63B175 and CFD63B175 circuit breakers.

How does the trip unit operate on the 3VA5217-7EC31-0AA0?

It utilizes a TM230 thermal magnetic trip unit. The thermal element is fixed for standard overload protection, while the magnetic element is adjustable, allowing electricians to fine-tune the short circuit response based on the specific fault current available.

What is the physical frame size of this 175A breaker?

This breaker utilizes the Siemens 3VA52 frame. Although the continuous current is limited to 175A, the physical dimensions match the standard 250A frame size used in the 3VA5 series.

Is the 3VA5217-7EC31-0AA0 suitable for HVAC applications?

Yes, this breaker is HACR rated. It is fully tested and approved to protect heating, air conditioning, and refrigeration equipment circuits.

How is the 3VA5217-7EC31-0AA0 connected within a panel?

This is a feed-thru circuit breaker. When mounting it in a Siemens P2 or P3 panelboard, it requires the appropriate twin-mount or single-mount copper strap kits to connect to the panel bus.

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Reviews

4.8
Rated 4.8 out of 5 stars
Based on 8 reviews
Rating
Ratings
8 reviews
  • EA
    Edward A.
    Verified Buyer
    Reviewing
    Siemens 3VA5112-5EC31-0AA0 - 125A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/11/26
    Quick Shipping

    Instock and quick free shipping over a $100

  • JF
    Justin F.
    Verified Buyer
    Reviewing
    Siemens 3VA5450-5EC31-0AA0 - 500A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/2/26
    SIEMENS BREAKER WAS SENT NEXT DAY...

    ORDER CAME WHEN IT WAS PROMISSED AND WAS CORRECT... HAPPY CUSTOMER.

    THANK YOU,

    JUSTIN

  • GM
    Gary M.
    Verified Buyer
    Reviewing
    Siemens 3VA5112-4EC31-0AA0 - 125A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    6/19/26
    Hard to find Siemens breaker

    Great product at a fair price

  • RJ
    Rene J.
    Verified Buyer
    Reviewing
    Siemens 3VA5212-6EF31-0AA0 - 125A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    4/13/26
    Siemens 3VA5212-6EF31-0AA0 

    Item arrived quickly and in perfect condition

  • DT
    DENNIS T.
    Verified Buyer
    Reviewing
    Siemens 3VA5220-6ED31-0AA0 - 200A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/15/26
    Breaker Purchase

    Great price and fast shipment