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Siemens 3VA6 UL Frame 600 4-Pole Circuit Breaker - 65kA

Siemens 3VA6 UL Frame 600 4-pole circuit breaker, 65kA, with neutral protection.

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ManufacturerSiemens

Part number3VA6440-6HL41-0AA0

Manufacturer Siemens

Part Number 3VA6440-6HL41-0AA0

Series 3VA6

Frame Size 600

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4-pole configuration UL certified Frame Size 600 65kA breaking capacity @ 480V ETU320 LI trip unit Adjustable neutral conductor protection High fault current handling

Product description

The Siemens 3VA6440-6HL41-0AA0 is a 4-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 includes an ETU320 electronic trip unit with LI protection and offers adjustable neutral conductor protection.

This 4-pole breaker is essential for three-phase systems requiring protection on all conductors, including the neutral. It is commonly applied in distribution panels, motor control centers, and industrial settings where neutral current monitoring or protection is a requirement.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 3VA6440-6HL41-0AA0. We are dedicated to providing quality components and fast, reliable service.

Technical specifications

Manufacturer	Siemens
Part Number	3VA6440-6HL41-0AA0
Series	3VA6
Frame Size	600
Poles	4
Breaking Capacity	65 kA @ 480 V
Trip Unit	ETU320, LI
Overload Protection	Ir=160 A...400 A
Short-circuit Protection	Ii=1.5...12 x In
Neutral Conductor Protection	Adjustable (OFF, 50%, 100%)
Connection	Without connection

Common applications

Three-phase power systems

Distribution panels

Motor control centers

Systems with neutral conductor monitoring

Industrial facilities

Heavy machinery

Compatible systems

Siemens 3VA Series accessories 480V 3-phase systems with neutral Industrial distribution panels

Also known as

Siemens 4-pole 3VA6 breaker 3VA6440 65kA 4-pole UL breaker Siemens breaker with neutral protection 3VA6440-6HL41

Replaces / compatible with

This 4-pole breaker is suitable for applications needing high interrupting capacity and neutral conductor protection, often replacing older or less capable 4-pole breakers.

Technical note

Expert tip

When setting the neutral conductor protection, consider the system's harmonic content and potential for neutral current to exceed phase currents in certain load conditions.

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Frequently asked questions

What specific neutral conductor protection settings are available on the Siemens 3VA6440-6HL41-0AA0?

The Siemens 3VA6440-6HL41-0AA0 provides adjustable neutral conductor protection with options for OFF, 50% of rated current, or 100% of rated current. This allows for tailored protection against neutral overcurrents or imbalances.