Siemens 3VA4125-4ED34-0AA0 - 34-0A, 3-Pole, Circuit Breaker

Introducing the Siemens 3VA4125-4ED34-0AA0 — a robust 3-Pole circuit breaker designed for demanding industrial environments. With a 340 A rating, this unit delivers dependable overcurrent protection across three phases in panelboards, switchboards, and control panels. Built to integrate seamlessly into existing Siemens distribution solutions, it safeguards motors, drives, and power circuits from overloads and faults, helping you keep critical processes running smoothly.

Why the 3-Pole design matters

The 3-Pole configuration provides synchronized protection for all three phases, ensuring coordinated tripping and preventing phase imbalance that can damage equipment. This simplifies wiring in motor control centers and reduces fault propagation risk, leading to improved system reliability and uptime.

Key specifications at a glance

• Current rating: 340 A
• Poles: 3-Pole
• Type: Circuit Breaker
• Ideal for panelboards, switchboards, and control panels in industrial, commercial, and OEM applications

What problems does it solve?

By detecting overloads and short circuits quickly, this breaker minimizes downtime, protects motors and drives, and helps extend equipment life. Its rugged Siemens construction is built for longevity in factory floors, delivering predictable, repeatable protection you can trust.

Ideal use cases

• Motor control centers and distribution panels in manufacturing lines
• Conveyor systems, pumps, and HVAC motor circuits
• OEM equipment builds requiring robust three-phase protection

Why choose Siemens over generic breakers?

Siemens brings decades of electrical distribution expertise. The 3VA4125-4ED34-0AA0 plugs into the broader Siemens 3VA family, offering consistent protection characteristics, easier maintenance, and compatibility with Siemens labeling and documentation. It’s designed for predictable performance, long service life, and straightforward field replacement when needed.

Make the right protection choice

When you need reliable three-phase overcurrent protection at 340 A, the Siemens 3VA4125-4ED34-0AA0 3-Pole Circuit Breaker delivers. Use it in distribution panels or motor control centers to keep essential operations safe, compliant, and running smoothly.