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Siemens 3VA6440-6HM31-0AA0 Molded Case Circuit Breaker

  • 400A
  • 3 Pole
  • Panel Mount
Siemens 3VA6440-6HM31-0AA0
Molded Case Circuit Breaker
Brand Siemens
SKU 3VA6440-6HM31-0AA0
Select Item Condition
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  • 400A
  • 3 Pole
  • Panel Mount

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Siemens 3VA6440-6HM31-0AA0 - 400A 3 Pole Molded Case Circuit Breaker

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$4,785.00 In Stock

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Description

Built for industrial applications, the Siemens 3VA6440-6HM31-0AA0 is a 400A, 3-pole molded case circuit breaker from the SENTRON family. This 600A-frame device is designed for panel mount installations, integrating into Siemens P4 and P5 panelboards, switchboards, and motor control centers. Rated at 65 kAIC at 480V, it features an ETU330 LIG electronic trip unit, providing adjustable long-time, instantaneous, and ground-fault settings for superior coordination and current-limiting performance.

Specifications

Key specifications
Brand Siemens
Series 3VA6
Amperage 400A
Poles 3
Mounting Style Panel Mount
Voltage 240VAC, 480VAC, 600VAC
Phase 3
AIC Rating 100kA @ 240VAC, 65kA @ 480VAC, 22kA @ 600VAC
Electrical ratings
Amperage Range 160-400A
Fit and installation
Frame Type 3VA64
Terminal Type Lugs
For Use With Siemens P4, P5 Panelboards, Switchboards, Motor Control Centers
Protection and operation
Trip Technology Electronic Trip
Trip Function Code LIG
Trip Function Long-Time, Instantaneous, Ground Fault
Trip Adjustability Adjustable
Standards and features
Available Options Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator, Communication Module, Lug Kits
Accessories Nut Keeper Kit
Standards CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval CE, CSA, IEC, UL, VDE
Temp Rating -25C to 70C
Construction Features HACR Rated, Reverse Feed, Current Limiting, Non-Interchangeable Trip, Trip-Free Mechanism

Product FAQs

9 answers
What is the adjustable long-time trip range for the 3VA6440-6HM31-0AA0?

The ETU330 LIG electronic trip unit allows the continuous current (Ir) to be adjusted from 160A to 400A.

What is the instantaneous short-circuit trip range for this 400A breaker?

The instantaneous pickup (Ii) can be adjusted from 600A to 4800A, which corresponds to 1.5 to 12 times the nominal current rating.

What is the ground fault pickup range for this Siemens 3VA6 breaker?

The ground fault protection (Ig) is adjustable from 80A to 400A, representing 0.2 to 1.0 times the nominal 400A rating.

Is the 3VA6440-6HM31-0AA0 rated for 100 percent continuous operation?

No, this specific catalog number is standard rated at 80 percent for continuous loads. 100 percent rated versions of the 3VA64 frame require a different catalog configuration.

Which specific electronic trip unit is installed in this breaker?

This model is equipped with the Siemens ETU330 electronic trip unit, which provides the LIG (Long-Time, Instantaneous, and Ground Fault) protection functions.

How are the trip settings adjusted on the 3VA6440-6HM31-0AA0?

The ETU330 trip unit features rotary adjustment dials on the front of the breaker to set the Long-Time (Ir), Instantaneous (Ii), and Ground Fault (Ig) pickup levels.

What are the physical dimensions of the 3VA6440-6HM31-0AA0?

The breaker measures 9.76 inches in height, 5.43 inches in width, and 4.33 inches in depth.

Can the 3VA6440-6HM31-0AA0 be installed in Siemens P4 and P5 panelboards?

Yes, this 3VA64 frame breaker is compatible with Siemens P4 and P5 panelboards, as well as standard Siemens switchboards and motor control centers. It requires the correct strap kit or mounting hardware for the specific enclosure.

What is the HS commodity code for the 3VA6440-6HM31-0AA0?

The harmonized system commodity code for this Siemens molded case circuit breaker is 85362090.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 2 reviews
Rating
Ratings
2 reviews
  • PM
    Pete M.
    Verified Buyer
    Reviewing
    Siemens 3VA9243-0JB12 Lug kit
    I recommend this product
    Rated 5 out of 5 stars
    9/17/26
    Great price and avail

    Great price and showed up when I needed it.

  • RS
    Rochelle S.
    Verified Buyer
    Reviewing
    Siemens 3VA6225-5HL31-0AA0 - 250A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    10/2/25
    Smooth Transaction, Great Seller, Solid product

    I've ordered from SuperBreakers a couple times over the years. They have great customer service, knowledgeable employees, and I got my breaker in the expected timeline. I HIGHLY RECOMMEND this shop if you are a fellow circuit breaker enthusiast!

    Siemens makes a reliable product. Y'all already know.