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Siemens 3VA5110-5EC31-0AA0 Molded Case Circuit Breaker

  • 100A
  • 3 Pole
  • Panel Mount
Siemens 3VA5110-5EC31-0AA0
Molded Case Circuit Breaker
Brand Siemens
SKU 3VA5110-5EC31-0AA0
Select Item Condition
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  • 100A
  • 3 Pole
  • Panel Mount

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Siemens 3VA5110-5EC31-0AA0 - 100A 3 Pole Molded Case Circuit Breaker

Siemens 3VA5110-5EC31-0AA0 - 100A 3 Pole Molded Case Circuit Breaker

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$642.60 In Stock

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Description

Engineered for enhanced fault protection, this 3-pole 100A MCCB belongs to the Siemens 3VA5 series. It supplies vital LI protection for commercial systems. This unit mounts into Siemens P1, P2, and P3 panelboards. It also functions as a direct replacement for older ED63B100 and ED43B100 breakers. Equipped with a TM230 trip unit, it features fixed thermal and adjustable magnetic settings. As a Class M breaker, it boasts an elevated 35kAIC rating at 480V.

Specifications

Key specifications
Brand Siemens
Part Number 3VA5110-5EC31-0AA0
Series 3VA5
Amperage 100A
Poles 3
Mounting Style Panel Mount
Voltage 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 500VDC
Phase 3
AIC Rating 85kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC, 50kA @ 500VDC
Fit and installation
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards, Switchboards, Motor Control Centers
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 Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator, Padlock Attachment, DIN Rail Adapter, Busbar System
Accessories None (Nut Keeper Plate)
Standards IEC 60947-2, UL 489, HACR
Approval ABS, CE, CSA, EAC, UL, VDE
Temp Rating -25C to 70C
Construction Features HACR Rated, Current Limiting, Reverse Feed

Product FAQs

5 answers
What types of panels and enclosures are compatible with the 3VA5110-5EC31-0AA0?

This circuit breaker is designed for use in Siemens P1, P2, and P3 panelboards, as well as compatible Siemens switchboards and motor control centers.

Can the 3VA5110-5EC31-0AA0 be used to replace older Siemens breakers?

Yes, this 3VA5 series breaker serves as a direct modern replacement for legacy Siemens ED-frame breakers, including the ED43B100 and ED63B100 models.

What does the LI trip function code indicate on this breaker?

The LI designation means the thermal-magnetic trip unit provides Long-Time (L) protection for overloads and Instantaneous (I) protection for short circuits.

Are the trip settings adjustable on the 3VA5110-5EC31-0AA0?

This breaker features a fixed thermal setting for overload protection and an adjustable magnetic setting for instantaneous short-circuit protection.

Can the 3VA5110-5EC31-0AA0 be used in DC applications?

Yes, this breaker is rated for use in DC networks, offering a 50kA interrupting capacity at 500VDC.

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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