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Siemens 3VA6340-6HN31-0AA0 Molded Case Circuit Breaker

  • 400A
  • 3 Pole
  • Panel Mount
Siemens 3VA6340-6HN31-0AA0
Molded Case Circuit Breaker
Brand Siemens
SKU 3VA6340-6HN31-0AA0
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  • 400A
  • 3 Pole
  • Panel Mount

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Siemens 3VA6340-6HN31-0AA0 - 400A 3 Pole Molded Case Circuit Breaker

Siemens 3VA6340-6HN31-0AA0 - 400A 3 Pole Molded Case Circuit Breaker

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$4,321.00 In Stock

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Description

Part of the Siemens SENTRON 3VA6 line, this 3-pole, 400A molded case circuit breaker is engineered for commercial, industrial, and marine power systems. It installs into Siemens P3, P4, and P5 panelboards, switchboards, and motor control centers. Equipped with an ETU350 electronic trip unit, it offers adjustable long-time, short-time, and instantaneous (LSI) settings for advanced coordination. The breaker delivers a 65 kAIC interrupting rating at 480V and features a current-limiting design.

Specifications

Key specifications
Brand Siemens
Part Number 3VA6340-6HN31-0AA0
Series 3VA6
Amperage 400A
Poles 3
Mounting Style Panel Mount
Voltage 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC
Phase 3
AIC Rating 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 22kA @ 600Y/347VAC, 22kA @ 600VAC
Electrical ratings
Amperage Range 160-400A
Fit and installation
Terminal Type Lugs
For Use With Siemens P3, P4, P5 Panelboards, Switchboards, Motor Control Centers
Protection and operation
Trip Technology Electronic Trip
Trip Function Code LSI
Trip Function Long-Time, Short-Time, Instantaneous
Trip Adjustability Adjustable
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment, Lugs
Accessories Nut Keeper Kit
Standards CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval CE, CSA, cULus, IEC, UL, VDE
Temp Rating -25C to 70C
Construction Features HACR Rated, Current Limiting, Reverse Feed, Naval Rated

Product FAQs

6 answers
What specific trip unit is used in the 3VA6340-6HN31-0AA0?

This breaker is equipped with a Siemens ETU350 electronic trip unit. It provides LSI (Long Time, Short Time, and Instantaneous) protection, allowing precise adjustability for complex coordination in commercial and industrial electrical systems.

Is the Siemens 3VA6340-6HN31-0AA0 suitable for reverse feed applications?

Yes, all Siemens 3VA63 electronic trip circuit breakers, including this model, are UL listed for reverse feed installations, making them highly versatile for varied electrical layouts.

Which Siemens panelboards are compatible with this circuit breaker?

This 3VA63 frame breaker is engineered for integration into Siemens P3, P4, and P5 panelboards, as well as compatible Siemens switchboards and motor control centers.

Can I integrate this 3VA6 breaker into a facility energy management system?

Yes, 3VA6 series circuit breakers with electronic trip units can be integrated into Siemens automation platforms and PC-based powermanager energy monitoring software when paired with the correct communication accessories.

What safety standards and certifications does this breaker meet?

This breaker holds strict global certifications, including UL 489 for molded case circuit breakers in North America, as well as CSA 22.2 No. 5-13 and IEC 60947-2 standards for international compliance.

Does the ETU350 trip unit on this breaker offer adjustable continuous current?

Yes, the solid-state ETU350 provides an adjustable continuous amperage setting (Long Time) alongside adjustable short-circuit pickup limits (Short Time and Instantaneous) to precisely match your specific load requirements.

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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.