Siemens | JD22M300L | Circuit Breaker | 300A | 2-Pole | 240V

Siemens JD22M300L circuit breaker delivers dependable, high‑current protection in a compact 2‑pole, 240V package. Designed for demanding electrical environments, this unit is ideal for maintenance, retrofit, and replacement tasks where exact specifications matter and downtime is costly.

• Amperage: 300 A
• Poles: 2‑Pole
• Voltage: 240 V
• Part number: JD22M300L

What sets the JD22M300L apart is its purpose‑built compatibility and rugged reliability. The 300 A capacity supports high‑demand circuits, while the two poles ensure both conductors are disconnected during a fault, enhancing safety and system protection. With a 240 V operating range, it fits common distribution panels used in commercial and industrial settings, aligning with standard Siemens installations.

Ideal use cases

• Maintenance: readily available replacement for failed or degraded breakers to restore service quickly.
• Retrofit: upgrade or modernize panels to meet evolving load requirements without overhauling the entire system.
• Replacement: a dependable spare on hand to minimize downtime during planned maintenance or unexpected outages.

Why choose this model

• Direct part reference: The JD22M300L part number is the best reference for compatibility, helping you match panels and accessories precisely.
• High‑current protection: 300 A rating provides robust protection for heavy appliances, feeders, or distribution circuits.
• Simple integration: 2‑pole, 240 V configuration aligns with standard Siemens electrical infrastructure for straightforward installation.

Compatibility and ordering tips

Before ordering, confirm fit and ratings against your panel labeling. The JD22M300L is intended for systems that require this exact specification, so verify that the panel, bus assembly, and mounting provisions align with Siemens manufacturing standards. Keeping this part on hand can reduce downtime and ensure you have a reliable, ready replacement whenever needed.