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Siemens 3VA5150-5ED31-0AA0 35kA Circuit Breaker

Siemens 3VA5 Series 3-Pole Molded Case Circuit Breaker.

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ManufacturerSiemens

Part number3VA5150-5ED31-0AA0

Manufacturer Siemens

Part Number 3VA5150-5ED31-0AA0

Frame Size 125

Poles 3

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3-Pole Configuration 35 kA Breaking Capacity TM210 Trip Unit Permanently Set Ii UL 489 Listed

Product description

The Siemens 3VA5150-5ED31-0AA0 is a 3-pole molded case circuit breaker from the 3VA5 UL frame 125 series. It is rated for 50A nominal current (In) and offers a breaking capacity of 35 kA at 480V. This breaker employs TM210 protection with an FTFM trip unit, featuring overload protection (Ir) set at 50A and a permanently set short-circuit protection (Ii) at 10 times the nominal current.

This circuit breaker is designed for reliable protection of industrial and commercial electrical systems. The 35kA interrupting capacity makes it suitable for applications with moderate fault current levels, such as feeders, branch circuits, and protection of machinery. It provides a good balance of performance and protection.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3VA5150-5ED31-0AA0. We specialize in providing high-quality industrial automation components to help you maintain operational continuity and reduce costly downtime.

Technical specifications

Manufacturer	Siemens
Part Number	3VA5150-5ED31-0AA0
Frame Size	125
Poles	3
Rated Current (In)	50A
Breaking Capacity	35 kA @ 480V
Protection Type	TM210, FTFM
Overload Setting (Ir)	50A
Short Circuit Setting (Ii)	10 x In
Standards	UL 489

Common applications

Industrial Distribution

Equipment Protection

Branch Circuits

Machinery Protection

Control Panels

Compatible systems

Suitable for main and branch circuit protection in industrial control panels and power distribution systems meeting UL 489 requirements.

Also known as

Siemens 3VA5 50A 3-Pole Breaker 125A Frame 35kA MCCB Siemens Circuit Protection

Replaces / compatible with

Direct replacement for Siemens 3VA5 series circuit breakers with 50A rating and similar interrupting capabilities.

Technical note

Expert tip

This breaker's 10x In fixed short-circuit setting is a common choice for protecting motor circuits, offering a balance between inrush tolerance and fault clearing.

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Frequently asked questions

What is the breaking capacity of the Siemens 3VA5150-5ED31-0AA0 circuit breaker?

The Siemens 3VA5150-5ED31-0AA0 circuit breaker has a breaking capacity of 35 kA at 480V. This rating is suitable for many industrial applications where fault currents are moderate.