Home › Manufacturers › Siemens › 3VA6440-6HL31-2AA0

Siemens

Siemens 3VA6 UL Frame 600 3-Pole Circuit Breaker - 65kA

Siemens 3VA6 UL Frame 600 3-pole circuit breaker, 65kA, 100% rated.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3VA6440-6HL31-2AA0

Manufacturer Siemens

Part Number 3VA6440-6HL31-2AA0

Series 3VA6

Frame Size 600

Get a price for 3VA6440-6HL31-2AA0

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

3-pole configuration UL certified Frame Size 600 High 65kA breaking capacity @ 480V ETU320 LI trip unit 100% rated overload protection Robust industrial design

Product description

The Siemens 3VA6440-6HL31-2AA0 is a high-capacity 3-pole molded case circuit breaker from the 3VA6 series, designed for UL applications. It features a 400A frame size (rated for up to 600A based on frame) and a robust 65kA breaking capacity at 480V. This breaker is equipped with an ETU320 electronic trip unit providing LI (Long-time and Instantaneous) protection, along with 100% rated overload functionality.

This circuit breaker is ideal for demanding industrial applications requiring high fault current interruption and continuous operation at full load. It is commonly used in main distribution panels, motor control centers, and heavy machinery power circuits.

Stanlo Automation, a veteran-owned business specializing in surplus industrial automation parts, offers the Siemens 3VA6440-6HL31-2AA0. Rely on us for quality, value, and efficient delivery to keep your operations running.

Technical specifications

Manufacturer	Siemens
Part Number	3VA6440-6HL31-2AA0
Series	3VA6
Frame Size	600
Poles	3
Breaking Capacity	65 kA @ 480 V
Trip Unit	ETU320, LI
Overload Protection	100% rated, Ir=160 A...400 A
Short-circuit Protection	Ii=1.5...12 x In
Connection	Without connection

Common applications

Heavy industrial power distribution

Motor control centers

Main switchboards

Mining operations

Manufacturing plants

High fault current systems

Compatible systems

Siemens 3VA Series accessories High fault current industrial systems 480V power distribution

Also known as

Siemens 3VA6 600A frame breaker 3VA6440 65kA UL breaker Siemens 400A 100% rated breaker 3VA6440-6HL31

Replaces / compatible with

This breaker is suitable for replacing existing 3-pole circuit breakers in applications demanding high interrupting capacity and 100% rated continuous operation.

Technical note

Expert tip

The combination of 100% rated overload protection and 65kA interrupting capacity makes this breaker a versatile choice for main incoming feeders and critical branch circuits.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the benefit of the 65kA breaking capacity on the Siemens 3VA6440-6HL31-2AA0?

The 65kA breaking capacity at 480V allows this Siemens 3VA6440-6HL31-2AA0 circuit breaker to safely interrupt significantly higher fault currents compared to lower-rated breakers. This is crucial for protecting equipment and personnel in high-energy industrial environments.