Siemens QJ23B200 - 200A, 3-Pole, Circuit Breaker

The Siemens QJ23B200 is a rugged 200 Amp, 3-Pole circuit breaker built to protect the lifeblood of your electrical distribution system. Designed for use in panelboards, switchboards, and control panels, this device delivers reliable overcurrent protection where it matters most—in industrial, commercial, and OEM environments. Key specifications at a glance

• Current rating: 200 A
• Poles: 3-Pole
• Breaker type: Circuit Breaker
• Applications: Ideal for panelboards, switchboards, and control panels
• Target environments: Industrial, commercial, and OEM settings
• Protection focus: Dependable overcurrent protection and safe operation in distribution panels and motor control centers

Why this breaker stands out

The QJ23B200 is purpose-built for three-phase systems, enabling balanced protection across all phases in your electrical distribution. Its robust 200A rating makes it well-suited for high-load feeders in manufacturing lines, large commercial installations, and OEM equipment where consistent protection against overloads and short circuits is non-negotiable. By aligning with the Siemens QJ family, it integrates smoothly with existing panelboards, switchboards, and motor control centers, simplifying stocking, maintenance, and system upgrades.

Practical use cases

• Upgrading or expanding three-phase distribution in manufacturing facilities where heavy feeders demand strong overcurrent protection.
• Replacing aging or failed breakers in distribution panels or motor control centers to restore safe, reliable operation.
• Integrating into OEM equipment that requires a dependable 200A, three-pole protection device within a compact, modular control assembly.

How it supports safer, more reliable operation

With a focus on dependable overcurrent protection, the QJ23B200 helps prevent equipment damage, minimize downtime, and extend the life of motors and feeders. Its three-pole configuration is ideal for maintaining phase balance in three-phase systems, reducing the risk of uneven loading and electrical faults that can cascade into more serious issues.

Choosing Siemens for your protection needs

Designed and tested by Siemens, the QJ23B200 combines engineering rigor with real-world reliability. It’s a practical, high-performance solution for installations where safety, predictability, and compatibility with existing Siemens distribution infrastructure matter most. If you’re standardizing on Siemens components for panelboards, switchboards, and motor control centers, this 200A, 3-pole circuit breaker delivers precisely the protection you rely on daily.