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Siemens 3VA5 UL Frame 250 Circuit Breaker | 3-Pole, 125A, 35kA

Siemens 3VA5 UL Frame 250, 3-Pole, 125A, 35kA Circuit Breaker

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ManufacturerSiemens

Part number3VA5212-5ED31-0AA0

Part Number 3VA5212-5ED31-0AA0

Manufacturer Siemens

Series 3VA5 UL Frame 250

Poles 3

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UL Listed 3-Pole Configuration TM210 Trip Unit with FTFM Permanently Set Overload Protection Moderate Breaking Capacity (35kA) Reliable Line Protection

Product description

The Siemens 3VA5212-5ED31-0AA0 is a 3-pole 3VA5 UL frame 250 circuit breaker designed for line protection in industrial applications. It provides a breaking capacity of 35 kA at 480 V. This unit features the TM210 trip unit with FTFM (adjustable thermal, fixed magnetic) protection, including permanently set overload protection (Ir=125 A) and short-circuit protection (Ii=10 x In). It is rated for 125A and supplied without connection accessories.

This circuit breaker is suitable for power distribution, motor control, and general protection in manufacturing plants, commercial facilities, and infrastructure projects. Its M-class breaking capacity makes it a reliable choice for systems with moderate fault current levels.

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Technical specifications

Part Number	3VA5212-5ED31-0AA0
Manufacturer	Siemens
Series	3VA5 UL Frame 250
Poles	3
Current Rating (In)	125 A
Breaking Capacity	35 kA @ 480 V
Trip Unit	TM210, FTFM
Overload Protection (Ir)	125 A
Short-Circuit Protection (Ii)	10 x In
Connection	Without

Common applications

Industrial Power Distribution

Motor Control

Manufacturing Plants

Commercial Facilities

Infrastructure Projects

General Protection

Compatible systems

UL 508A compliant industrial electrical systems requiring 125A circuit protection with 35kA interrupting capacity.

Also known as

Siemens 3VA5 MCCB 3VA52125ED310AA0 Siemens 125A Circuit Breaker

Replaces / compatible with

This circuit breaker can replace existing Siemens 3VA5 series breakers with similar frame size and 125A rating where 35kA breaking capacity is sufficient. Always verify system protection requirements.

Technical note

Expert tip

The FTFM designation indicates an adjustable thermal element for overload protection and a fixed magnetic element for short-circuit protection.

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Frequently asked questions

What are the trip settings for the Siemens 3VA5212-5ED31-0AA0 circuit breaker?

The Siemens 3VA5212-5ED31-0AA0 features permanently set overload protection (Ir) at 125 A and permanently set short-circuit protection (Ii) at 10 times the nominal current (10 x In). It uses the TM210 trip unit with FTFM.