Siemens | QJH23B20000S01 | Circuit Breaker | 200A | 3-Pole | 240V | Bolt-On

Siemens QJH23B20000S01 is a robust 200A, 3-pole, 240V bolt-on circuit breaker crafted for reliable overcurrent protection in demanding electrical panels. Built by Siemens, this unit is engineered for retrofit, maintenance, and replacement projects where exact specifications matter, ensuring seamless compatibility with compatible Siemens panel configurations.

• Amperage: 200A
• Poles: 3-Pole
• Voltage: 240V
• Mounting: Bolt-On
• Part reference: QJH23B20000S01

What makes this Siemens breaker stand out

• Exact-fit compatibility for Siemens bolt-on panels. The QJH23B20000S01 is designed to match specific panel configurations that require a 3-pole, 200A, 240V bolt-on breaker, helping you avoid mismatches during retrofit or replacement.
• Secure bolt-on mounting. The bolt-on design delivers a dependable mechanical connection that stays solid in vibration-prone environments and busy service panels.
• Clear compatibility reference. The part number is the most reliable way to confirm fit with your panel, making ordering straightforward and reducing installation risks.
• Go-to choice for 3-phase protection. Ideal for 240V three-phase systems where consistent, reliable protection across all phases is essential.

Ideal use scenarios

• Retrofit upgrades in commercial or industrial panels that require a Siemens-brand, 200A, 3-pole, 240V bolt-on breaker.
• Replacement of a failed or scheduled-out-of-service breaker within Siemens panel architectures.
• Maintenance projects that demand exact-spec components to maintain panel labeling, certification, and safety margins.
• New installations in 3-phase, 240V distributions where a compact bolt-on solution is preferred for secure mounting.

Installation tips and compatibility notes

• Always confirm fit and ratings before ordering. Use the part number QJH23B20000S01 as the primary compatibility reference.
• Verify your panel supports bolt-on breakers and that spacing, bus bar style, and mounting provisions match the unit.
• Check panel labeling and documentation to ensure 200A, 3-pole, 240V protection is appropriate for the application.
• For safety, install with the power off and have a qualified electrician handle mounting and wiring in accordance with local codes.

Whether you’re upgrading an aging distribution system, performing a targeted retrofit, or replacing a failed component, the Siemens QJH23B20000S01 delivers dependable, OEM-grade protection for 240V, 3-phase circuits. Its bolt-on design provides a secure, long-lasting connection, while the clear part-number reference helps you confirm compatibility quickly—keeping your project on track and your equipment protected.