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Siemens 3VA5110-4EF31-0AA0 Molded Case Circuit Breaker

  • 100A
  • 3 Pole
  • Panel Mount
Siemens 3VA5110-4EF31-0AA0
Molded Case Circuit Breaker
Brand Siemens
SKU 3VA5110-4EF31-0AA0
Select Item Condition
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  • 100A
  • 3 Pole
  • Panel Mount

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Siemens 3VA5110-4EF31-0AA0 - 100A 3 Pole Molded Case Circuit Breaker

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$543.20 In Stock

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Description

Built for demanding industrial environments, this 3-pole 100A MCCB is part of the Siemens SENTRON 3VA5 family. It delivers reliable long-time and instantaneous (LI) protection. Designed for panel mount installations, it fits Siemens P2 through P5 panelboards. With the appropriate mounting kit, it can also replace legacy ED63B100 breakers. The TM240 trip unit offers both adjustable thermal and magnetic settings for maximum flexibility. This Class S breaker provides a 25kAIC rating at 480V.

Specifications

Key specifications
Brand Siemens
Part Number 3VA5110-4EF31-0AA0
Series 3VA5
Amperage 100A
Poles 3
Mounting Style Panel Mount
Voltage 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 500VDC
Phase 3
AIC Rating 65kA @ 240VAC, 25kA @ 480Y/277VAC, 25kA @ 480VAC, 14kA @ 600Y/347VAC, 25kA @ 500VDC
Electrical ratings
Amperage Range 70-100A
Fit and installation
Terminal Type Lugs
For Use With Siemens P2, P3, P4, P5 Panelboards, Switchboards, Enclosures
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Adjustable Thermal, Adjustable Magnetic
Standards and features
Available Options Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator, Rotary Handle, Handle Tie, Padlock Attachment, Lug Kits, DIN Rail Adapter
Accessories None (No Lugs Included)
Standards CSA C22.2 No. 5, HACR Rated, IEC 60947-2, UL 489
Approval CE, CSA, IEC, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, Current Limiting, Reverse Feed, Trip-Free Mechanism

Product FAQs

6 answers
What type of trip unit is installed in the 3VA5110-4EF31-0AA0?

This breaker is equipped with a TM240 ATAM (Adjustable Thermal, Adjustable Magnetic) trip unit. The continuous current (Ir) can be adjusted from 80A to 100A, and the instantaneous short-circuit pickup (Ii) is adjustable from 500A to 1000A.

Are terminal lugs included with this circuit breaker?

No, the 0AA0 suffix in the catalog number indicates that this breaker is supplied without lugs. Lug kits or nut keeper kits must be purchased separately based on your specific wire size and termination requirements.

Which Siemens panelboards accept the 3VA5110-4EF31-0AA0?

This breaker is compatible with Siemens P2, P3, P4, and P5 panelboards, as well as Siemens switchboards and enclosures. Note that a specific 3VA mounting strap or hardware kit is required depending on the panel type.

Can this 3VA5 breaker replace legacy Siemens ED-frame breakers?

Yes, the 3VA51 frame is the modern replacement for legacy Siemens ED-frame breakers, such as the ED43B100. When upgrading an existing panel, you will need the appropriate 3VA retrofit mounting kit to adapt the new breaker footprint.

Is the 3VA5110-4EF31-0AA0 suitable for DC voltage systems?

Yes, this molded case circuit breaker is rated for use in DC applications up to 500VDC, where it provides a 25kA interrupting rating.

Does this breaker carry an HACR rating?

Yes, the 3VA5110-4EF31-0AA0 is HACR rated, making it fully approved for protecting heating, air conditioning, and refrigeration equipment circuits. It also carries a UL 489 listing.

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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