Siemens | JD22B350L | Circuit Breaker | 350A | 2-Pole | 240V

Siemens JD22B350L Circuit Breaker delivers dependable, high-capacity protection for demanding power systems. Engineered for 240V two-pole circuits, this 350A breaker is purpose-built for maintenance, retrofit, and replacement projects where exact Siemens specifications are required.

• Amperage: 350A
• Poles: 2-Pole
• Voltage: 240V
• Part Number: JD22B350L
• Application: ideal for maintenance, retrofit, and replacement in Siemens-compatible panels and equipment
• Compatibility Note: confirm fit and ratings before ordering — the JD22B350L part number is the best reference for compatibility

Designed to protect high-load feeders and critical circuits, the JD22B350L provides reliable interruption for dual-hot-leg 240V systems. Its 2-pole configuration ensures simultaneous protection of both conductors, enhancing safety and reducing the risk of under-protected loads in commercial and light-industrial environments.

Ideal use cases include upgrading aging panel assemblies, replacing failed or obsolete breakers, and retrofitting systems that require exact Siemens specifications. This unit is especially well-suited for service entrances, large HVAC feeds, and motor-start circuits where a robust 350A, 240V two-pole solution is specified.

Why choose this Siemens breaker? When your installation demands precise compatibility and a trusted Siemens build, the JD22B350L offers a direct match to your existing panels and wiring configurations. By sticking to the exact part number, you minimize mismatch risk and streamline maintenance cycles—so uptime stays high and downtime stays low.

Practical tips: have your panel model and the 350A, 240V two-pole requirement ready, and use the JD22B350L as the definitive compatibility reference. Always verify fit against your Siemens panel family and ensure the installation aligns with your system’s ratings before proceeding.