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Siemens 3VA6440-6JQ31-2AA0 Molded Case Circuit Breaker

  • 400A
  • 3 Pole
  • Panel Mount
Siemens 3VA6440-6JQ31-2AA0
Molded Case Circuit Breaker
Brand Siemens
SKU 3VA6440-6JQ31-2AA0
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  • 400A
  • 3 Pole
  • Panel Mount

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Siemens 3VA6440-6JQ31-2AA0 - 400A 3 Pole Molded Case Circuit Breaker

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$6,525.00 In Stock

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Description

Part of the SENTRON 3VA6 series, the Siemens 3VA6440-6JQ31-2AA0 is a 400A, 3-pole molded case circuit breaker engineered for industrial facilities. This 600A-frame breaker is designed for panel mount configurations, fitting into Siemens P4 and P5 panelboards or switchboards. Boasting a 100% continuous current rating and 65 kAIC at 480V, it features an ETU560 LSIG trip unit. This delivers adjustable long-time, short-time, instantaneous, and ground-fault protection alongside built-in metering.

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 LSIG
Trip Function Long-Time, Short-Time, Instantaneous, Ground Fault
Trip Adjustability Adjustable
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Nut Keeper Kit, Lug Kits, Padlock Attachment, Rotary Handle, Communication Module
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, 100% Rated, Metering Function

Product FAQs

6 answers
Which Siemens panelboards are compatible with the 3VA6440-6JQ31-2AA0?

This 3-pole molded case circuit breaker is designed for use in Siemens P4 and P5 panelboards, as well as compatible Siemens switchboards and motor control centers.

What is the frame size of the 3VA6440-6JQ31-2AA0?

This breaker is built on the Siemens 3VA64 frame. While the frame itself has a maximum capacity of 600A, this specific unit is factory-configured with a 400A continuous current rating.

Is the 3VA6440-6JQ31-2AA0 a 100% rated circuit breaker?

Yes, this breaker is 100% rated. It can carry its full 400A continuous current rating without the standard 80% derating, provided it is installed in an approved enclosure using appropriately sized 90 C wire.

What adjustments are available on the ETU560 LSIG trip unit?

The ETU560 electronic trip unit provides fully adjustable parameters for long-time overload (L), short-time delayed short circuit (S), instantaneous short circuit (I), and ground-fault (G) protection to ensure precise coordination.

Can the 3VA6440-6JQ31-2AA0 be integrated into power monitoring systems?

Yes, the 3VA6 series with the ETU560 trip unit supports communication and measuring functions. When paired with the appropriate Siemens communication modules, it can supply diagnostic data and measured values to energy management systems.

Does this breaker provide equipment ground-fault protection?

Yes, the G in the LSIG trip unit designates integrated ground-fault protection. This allows you to set specific pickup and delay parameters to protect downstream equipment from low-level ground faults.

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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.