Siemens 3VA4140-5ED34-0AA0 - 34-0A, 3-Pole, Circuit Breaker

Introducing the Siemens 3VA4140-5ED34-0AA0—a rugged 3-pole circuit breaker engineered for dependable overcurrent protection in demanding electrical environments. Rated up to 340 A, this unit is purpose-built for three-phase systems in panelboards, switchboards, and control panels, delivering reliable performance where it matters most.

Why this matters in real-world setups: three-phase systems require coordinated protection across all phases. The 3-pole design of this Siemens breaker ensures simultaneous disconnection of all conductors during a fault, enhancing safety, simplifying maintenance, and helping minimize downtime in motor control centers and distribution panels.

Core specifications

• Current rating: 340 A
• Poles: 3-Pole
• Breaker type: Circuit Breaker

What makes it distinct

• Three-pole configuration provides comprehensive protection for three-phase circuits in a single device
• Robust Siemens engineering tailored for industrial, commercial, and OEM environments
• Versatile compatibility with panelboards, switchboards, and motor control centers, enabling streamlined wiring and safer operation

Ideal use scenarios

• Industrial panelboards and distribution panels needing reliable 340 A three-phase protection
• Switchboards and control panels in manufacturing facilities where dependable fault isolation is essential
• Motor control centers requiring synchronized disconnection across all phases to protect large motors and feeders
• OEM equipment that demands a compact, durable three-pole breaker for rugged service

Practical considerations and tips

• Confirm your system is three-phase to maximize the benefits of a 3-pole configuration
• Plan mounting and enclosure fit in panelboards or switchboards to ensure smooth installation and access for safe maintenance
• Label and coordinate with upstream protection devices to achieve coherent tripping characteristics across the circuit

Designed to deliver reliable, safe overcurrent protection in distribution panels and motor control centers, the Siemens 3VA4140-5ED34-0AA0 (34-0A variant) is a practical choice for professionals who demand consistent performance in demanding environments.