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Siemens 3VA5120-6ED31-0AA0 3-Pole Circuit Breaker — 20A

Siemens 3VA5 UL 125A Series Circuit Breaker, 3-Pole

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ManufacturerSiemens

Part number3VA5120-6ED31-0AA0

Manufacturer Siemens

Part Number 3VA5120-6ED31-0AA0

Series 3VA5 UL Frame 125

Poles 3

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UL Listed 3-Pole Configuration 65 kA Breaking Capacity at 480V TM210 Release Fixed Overload and Short-Circuit Settings Line Protection

Product description

The Siemens 3VA5120-6ED31-0AA0 is a 3-pole 3VA5 UL 125A series circuit breaker designed for line protection. It boasts a high breaking capacity of 65 kA at 480V, equipped with a TM210 thermal-magnetic release and FTFM function. The overload protection (Ir) is permanently set at 20A, and the short-circuit protection (Ii) is fixed at 15 times the nominal current (15 x In), supplied without connection terminals.

This circuit breaker is engineered for robust performance in demanding industrial environments, suitable for applications such as main power distribution, branch circuit protection, and protecting equipment in manufacturing plants, data centers, and commercial buildings.

Stanlo Automation, a proud veteran-owned distributor, offers the Siemens 3VA5120-6ED31-0AA0. We specialize in providing high-quality surplus automation components, ensuring you receive reliable parts with competitive pricing and dedicated customer support.

Technical specifications

Manufacturer	Siemens
Part Number	3VA5120-6ED31-0AA0
Series	3VA5 UL Frame 125
Poles	3
Breaking Capacity	65 kA @ 480 V
Release Type	TM210, FTFM
In	20 A
Ir	20 A (permanently set)
Ii	15 x In

Common applications

Industrial Power Distribution

Motor Control Centers

Manufacturing Automation

Commercial Building Systems

Electrical Panels

Machinery Protection

Compatible systems

Compatible with various industrial electrical distribution systems and control panels designed to meet UL safety standards.

Also known as

Siemens 3VA5 3-Pole Breaker 3VA5120-6ED31 Siemens 20A 480V Breaker

Replaces / compatible with

This 3-pole circuit breaker is suitable for replacing older Siemens circuit breakers in systems requiring a 20A rating and a 65 kA breaking capacity at 480V, aligning with UL standards.

Technical note

Expert tip

The fixed short-circuit setting (Ii = 15 x In) on this breaker is designed for general-purpose protection; verify application requirements to ensure proper coordination with other protective devices.

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Frequently asked questions

What is the short-circuit breaking capacity of the Siemens 3VA5120-6ED31-0AA0 circuit breaker?

The Siemens 3VA5120-6ED31-0AA0 is rated for a substantial breaking capacity of 65 kA at 480V. This ensures it can safely interrupt fault currents in demanding industrial electrical systems.