Siemens | JD22B400HL | Circuit Breaker | 400A | 2-Pole

Designed for dependable service in demanding electrical installations, the Siemens JD22B400HL circuit breaker delivers 400 A of protection in a compact 2-Pole configuration. Built for maintenance, retrofit, and replacement projects, this unit slots into compatible Siemens panels where precise ratings and part matching matter most.

The JD22B400HL is more than a number on a box—it's a specific fit for your system. For reliable compatibility, the part number is the best reference. Before ordering, verify that the panel and bus configuration match the JD22B400HL’s ratings and mounting style to avoid downtime.

• Current rating: 400A
• Pole configuration: 2-Pole
• Intended uses: maintenance, retrofit, and replacement in compatible Siemens panels
• Reference lookup: rely on part number JD22B400HL to confirm compatibility
• Ideal for: commercial and industrial electrical installations where high-current protection is required

Why choose Siemens for your high-current protection needs? Siemens is known for consistent performance in critical electrical systems, and the JD22B400HL is designed to integrate smoothly with existing Siemens equipment, helping you minimize panel downtime and simplify future maintenance. Its 2-pole design provides clear, centralized protection for paired live conductors, aligning with standard routing and wiring practices in larger distribution panels.

Practical tips for a smooth upgrade or replacement:

• Always match the exact part number (JD22B400HL) to your panel model and existing breakers.
• Check the panel’s current-carrying capacity and ensure your wiring and lugs are rated for 400A.
• Keep a record of the replacement date and the part number to streamline future service.

Ready to proceed? Add the Siemens JD22B400HL 400A 2-Pole circuit breaker to your cart and secure a trusted, precise fit for your electrical distribution needs.