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Siemens 3VA6 UL Frame 400 3-Pole Circuit Breaker - 65kA

Siemens 3VA6 UL Frame 400 3-pole molded case circuit breaker with 65kA rating.

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ManufacturerSiemens

Part number3VA6340-6HL31-0AA0

Manufacturer Siemens

Part Number 3VA6340-6HL31-0AA0

Series 3VA6

Frame Size 400

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3-pole configuration UL certified High 65kA breaking capacity @ 480V ETU320 LI trip unit Enhanced short-circuit protection Robust industrial design

Product description

The Siemens 3VA6340-6HL31-0AA0 is a high-performance 3-pole molded case circuit breaker from the 3VA6 series, designed for UL applications. It boasts a 400A frame size and a superior breaking capacity of 65kA at 480V. This breaker is equipped with an ETU320 electronic trip unit, providing LI (Long-time and Instantaneous) protection.

This circuit breaker is ideal for applications requiring higher fault current interruption capabilities, such as in heavy industrial settings, large manufacturing plants, and utility substations. It ensures reliable protection against overloads and short circuits in critical power distribution systems.

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Technical specifications

Manufacturer	Siemens
Part Number	3VA6340-6HL31-0AA0
Series	3VA6
Frame Size	400
Poles	3
Breaking Capacity	65 kA @ 480 V
Trip Unit	ETU320, LI
Overload Protection	Ir=160 A...400 A
Short-circuit Protection	Ii=1.5...10 x In
Connection	Without connection

Common applications

Heavy industrial applications

Power distribution

Manufacturing plants

Utility substations

High fault current systems

Electrical infrastructure

Compatible systems

Siemens 3VA Series accessories Industrial power distribution High fault current applications

Also known as

Siemens 3VA6 high-capacity breaker 3VA6400A 3-pole breaker Siemens UL 65kA circuit breaker 3VA6340-6HL31

Replaces / compatible with

This high-capacity breaker can replace older or less capable circuit breakers in systems requiring 65kA interrupting rating.

Technical note

Expert tip

The ETU320 trip unit allows for adjustable overload settings (Ir) and fixed instantaneous settings (Ii) for flexible system protection coordination.

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Frequently asked questions

What is the main advantage of the Siemens 3VA6340-6HL31-0AA0 over other 3VA6 models?

The primary advantage of the 3VA6340-6HL31-0AA0 is its higher breaking capacity of 65 kA at 480V, compared to the 35 kA rating of some other models in the same frame size. This makes it suitable for systems with higher potential fault currents.