Siemens | SJD69300GH | Circuit Breaker | 300A | 3-Pole | 600V

Siemens SJD69300GH delivers dependable, high-capacity protection for three-phase electrical systems. Engineered for heavy-duty applications, this 3-pole circuit breaker is rated at 300 A and 600 V, making it a precise, reliable choice when upgrading, retrofitting, or replacing existing hardware in compatible panels.

Key specifications at a glance

• Amperage: 300 A
• Poles: 3-Pole
• Voltage rating: 600 V
• Compatibility reference: Part number SJD69300GH is the best reference to match your system

Why choose this Siemens breaker

• Using the precise part number reduces the risk of mismatched breakers in your panel and supports a smoother installation.
• Robust for demanding systems: Designed to protect three-phase circuits under heavy load, helping maintain electrical safety and system continuity.
• Reliable Siemens engineering: Backed by Siemens’ reputation for durable, mission-critical components in industrial and commercial environments.

Ideal use cases

• Maintenance projects where the current breaker must be replaced with an exact-specified unit
• Retrofit work to upgrade protection in three-phase 600 V systems
• Replacement scenarios in existing panels that require a 300 A, 3-pole, 600 V protection device

Compatibility and procurement tips

Before ordering, verify that the new unit matches your system’s ratings and that the part number aligns with your existing equipment. The SJD69300GH designation is the most reliable reference for compatibility, ensuring correct fit, mounting, and electrical characteristics.

Installation and safety considerations

• Always power down the installation site and follow local electrical codes.
• Consult a licensed electrician to handle mounting, wiring, and commissioning to ensure proper protection and safe operation.
• Keep a record of the part number and panel model for future maintenance or replacements.