Siemens | SCLD69300NGT | Circuit Breaker | 300A | 3-Pole | 600V

Protect your electrical distribution with a trusted Siemens circuit breaker engineered for high-demand environments: the SCLD69300NGT. This 3-pole, 300A unit is built to interrupt fault currents cleanly while fitting standard industrial panels up to 600V.

Key specifications

• Amperage: 300A
• Poles: 3-Pole
• Voltage rating: 600V
• Part number reference: SCLD69300NGT

What makes it a smart choice

When you’re upgrading or replacing a breaker in an aging installation, this Siemens unit provides a precise fit thanks to its exact part number reference. It’s designed for retrofit and maintenance projects, where compatibility and reliability are non-negotiable.

Ideal use cases

• Maintenance and replacement of aging panels in industrial or commercial facilities
• Retrofit projects that require a robust 3-pole protection device rated for up to 600V
• New installations that require a Siemens-branded breaker with a 300A rating for main or sub-distribution protection

How this breaker helps you solve real problems

By matching the exact specifications (300A, 3-pole, 600V) and using the SCLD69300NGT part number as the compatibility reference, you minimize downtime and misfits. No guessing games—confirm fit and ratings before ordering to ensure immediate, reliable protection for your equipment and personnel.

Practical tips for installation and verification

• Always verify the fit against your panel’s documentation and the manufacturer’s cross-reference guides.
• Cross-check the replacement part number (SCLD69300NGT) to ensure compatibility with your bus configuration and mounting style.
• Prepare for safe installation: power down, discharge capacitors, and follow lockout/tagout procedures.
• After installation, test the breaker's operation with the panel in a controlled environment and confirm proper tripping behavior under simulated fault conditions (per your site's safety protocols).

With Siemens, you’re choosing a legacy of reliability, rigorous engineering, and repairable protection that keeps critical systems running. The SCLD69300NGT is built for years of dependable service in demanding environments where 300A, 3-pole protection at up to 600V is a given—ensuring steady performance when it matters most.