Siemens | JD22M350 | Circuit Breaker | 350A | 2-Pole | 240V | Bolt-On

Siemens JD22M350 circuit breaker delivers dependable overcurrent protection for demanding electrical panels. With a 350 A rating, 2-pole design, and 240 V operation, this bolt-on unit is built for maintenance, retrofit, and replacement projects where precise compatibility matters. Rely on Siemens engineering to safeguard critical circuits while supporting streamlined field service.

Key specifications at a glance

• Amperage: 350 A
• Poles: 2-Pole
• Voltage: 240 V
• Mounting: Bolt-On
• Part number: JD22M350

What sets JD22M350 apart

• Heavy-duty 350 A protection for high-demand 240 V circuits, ideal for service entrances, feeders, and main distribution panels.
• Bolt-On mounting offers secure installation in compatible Siemens panels, simplifying retrofit and replacement work without complex reconfigurations.
• Clear part-number reliability: JD22M350 is the most trusted reference for compatibility, reducing guesswork during repairs or upgrades.
• Durable design built to endure industrial environments, with fast, predictable tripping behavior that minimizes downtime and protects connected equipment.

Ideal use cases

• Maintenance and retrofit projects where existing bolt-on breakers must be matched to current panel specifications.
• Replacement of failed or aged 240 V, 2-pole breakers in commercial or light industrial electrical systems.
• Upgrading circuit protection in panels that require a robust 350 A capacity for larger loads or future expansion.

Compatibility and installation notes

• Before ordering, confirm fit and ratings. The JD22M350 part number is the best reference for compatibility with your panel.
• This unit is designed for bolt-on mounting in compatible Siemens panels and enclosures that support 2-pole, 240 V protection.
• Use in professional, code-compliant environments. For best results, follow all manufacturer installation instructions and consult your panel’s documentation to verify bus bar width and mounting pattern.

Choosing the Siemens JD22M350 means investing in reliable, field-proven protection for critical electrical infrastructure. It’s the practical, exact-match solution for serious maintenance, retrofit, and replacement work—delivering consistent performance when it matters most.