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Siemens 3VA5112-6EC31-0AA0 3-Pole Circuit Breaker — 125A

Siemens 3VA5 UL Frame 125 3-pole high-capacity circuit breaker.

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ManufacturerSiemens

Part number3VA5112-6EC31-0AA0

Part Number 3VA5112-6EC31-0AA0

Manufacturer Siemens

Frame Size 125

Poles 3

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3-pole circuit breaker UL Frame 125 65 kA breaking capacity @ 480V TM230 protection In=125A High interrupting capacity

Product description

The Siemens 3VA5112-6EC31-0AA0 is a high-performance 3-pole 3VA5 UL frame 125 circuit breaker with breaking capacity class H, rated at 65 kA at 480 V. It incorporates TM230 technology for overload protection (Ir=125 A) and adjustable short-circuit protection (Ii=5...10 x In).

This breaker is designed for critical applications in heavy industrial settings where the highest levels of fault current protection are required. Its robust construction and high interrupting capacity make it suitable for main distribution, large motor loads, and critical infrastructure protection.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3VA5112-6EC31-0AA0. Secure this high-capacity breaker from us to ensure the safety and reliability of your industrial electrical systems.

Technical specifications

Part Number	3VA5112-6EC31-0AA0
Manufacturer	Siemens
Frame Size	125
Poles	3
Breaking Capacity Class	H
Breaking Capacity	65 kA @ 480 V
Protection Type	TM230
In	125 A
Ir	125 A
Ii	5...10 x In

Common applications

Heavy industrial facilities

Power distribution main feeds

Large motor protection

Critical infrastructure

High fault current environments

Compatible systems

Main power distribution Industrial motor control Heavy machinery protection High fault level switchgear

Also known as

Siemens 65kA breaker 3VA5112-6EC31 Siemens industrial circuit breaker

Replaces / compatible with

This breaker offers superior fault clearing capability compared to lower class breakers and is ideal for main feeder protection. Compatible with Siemens 3VA accessories.

Technical note

Expert tip

This breaker's high interrupting rating is crucial for applications where short-circuit currents can be exceptionally large, ensuring system safety and equipment protection.

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Frequently asked questions

What makes the 3VA5112-6EC31-0AA0 suitable for high fault current applications?

The Siemens 3VA5112-6EC31-0AA0 features a high breaking capacity class H, rated at 65 kA at 480 V. This, combined with its TM230 trip unit, allows it to safely interrupt significantly higher fault currents than lower-rated breakers.