Siemens | JD22B300 | Circuit Breaker | 2-Pole | 65kA | Bolt-On

Meet the Siemens JD22B300 circuit breaker—a dependable, two-pole bolt-on device built for real-world protection in demanding electrical systems. With a robust 65 kA interrupt rating, this breaker swiftly isolates faults, safeguarding your equipment and minimizing downtime in industrial or commercial applications.

Key specifications

• Poles: 2-Pole
• Interrupt rating: 65 kA
• Mounting: Bolt-On
• Part number: JD22B300
• Best-use: maintenance, retrofit, and replacement where matching specs are required

Why this JD22B300 matters in the field: the 2-pole, bolt-on design provides secure mechanical and electrical connections, making it ideal for clean, straightforward upgrades or replacements in existing Siemens-compatible panels. The high 65 kA interrupt capability expands protection for circuits with higher fault currents, giving you a safer, more resilient electrical distribution setup. This isn’t a generic fit—it’s a purpose-built component that aligns with Siemens standards for reliability and compatibility.

Who should consider this product

• Facilities upgrading older switchgear to modern, reliable Siemens protection
• Systems undergoing retrofit to meet higher fault-current demands
• Maintenance teams replacing worn or obsolete breakers with a specification-matched unit

Practical guidance for choosing and using the JD22B300: always verify fit and ratings before ordering. The JD22B300 part number is the best reference for compatibility, ensuring you’re selecting the exact device that matches your panel and protection scheme. When installed correctly, this breaker delivers predictable performance, easier field service, and longevity in daily operation.