Home › Manufacturers › Siemens › 3VA5330-6EF31-0AA0

Siemens

Siemens 3VA5 UL Frame 400 Circuit Breaker - 300A, Adjustable Protection

Siemens 3VA5 UL Frame 400 molded case circuit breaker - 300A, adjustable.

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3VA5330-6EF31-0AA0

Manufacturer Siemens

Part Number 3VA5330-6EF31-0AA0

Series 3VA5 UL Frame 400

Poles 3

Get a price for 3VA5330-6EF31-0AA0

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

UL Listed Adjustable overload and short-circuit settings TM240 trip unit High breaking capacity (65kA @ 480V) 3-pole configuration

Product description

The Siemens 3VA5330-6EF31-0AA0 is a 3-pole molded case circuit breaker from the 3VA5 UL Frame 400 series, offering a breaking capacity class H of 65 kA at 480V. This model features line protection with the TM240 trip unit, providing adjustable overload protection (Ir=240 A to 300 A) and adjustable short-circuit protection (Ii=5 to 10 x In), without connection.

This versatile circuit breaker is designed for demanding industrial applications where adjustable protection settings are required for optimal system coordination and safety. It is suitable for main power distribution, large motor protection, and complex machinery control systems.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3VA5330-6EF31-0AA0. We provide reliable and cost-effective solutions for your industrial automation needs, ensuring minimal downtime.

Technical specifications

Manufacturer	Siemens
Part Number	3VA5330-6EF31-0AA0
Series	3VA5 UL Frame 400
Poles	3
Breaking Capacity	65 kA @ 480 V
Protection Type	TM240
Overload Protection (Ir)	240 A - 300 A (adjustable)
Short-Circuit Protection (Ii)	5 x In - 10 x In (adjustable)
Connection	Without connection

Common applications

Industrial power distribution

Motor protection

Machine control panels

Manufacturing facilities

Process automation

Compatible systems

High-capacity industrial distribution panels Motor control centers Large-scale manufacturing equipment

Also known as

Siemens 3VA5 breaker 3VA5330 breaker Siemens 300A adjustable breaker 3VA5 UL Frame 400 adjustable

Replaces / compatible with

This circuit breaker is part of the Siemens 3VA5 series and is designed for direct replacement within compatible systems. For specific compatibility, consult the Siemens documentation.

Technical note

Expert tip

The TM240 trip unit's dual adjustability for both overload and short-circuit protection is critical for applications requiring detailed selective coordination with other protective devices.

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 are the adjustable protection ranges for the Siemens 3VA5330-6EF31-0AA0?

The Siemens 3VA5330-6EF31-0AA0 features an adjustable overload protection (Ir) from 240A to 300A and an adjustable short-circuit protection (Ii) from 5 to 10 times the nominal current. This allows for precise system coordination.