Siemens | SHJD69400NTH | Circuit Breaker | 400A | 3-Pole | 600V

Engineered for demanding industrial and commercial environments, the SHJD69400NTH is a robust 3‑pole circuit breaker rated at 400 amperes and 600 volts. This unit is built to deliver dependable overcurrent protection for three-phase systems, helping keep motors, feeders, and distribution panels safe from electrical faults.

Designed specifically for maintenance, retrofit, and replacement scenarios, this Siemens breaker provides a straightforward, direct-path solution when matching specifications is essential. The part number SHJD69400NTH is your best reference for compatibility, reducing guesswork and replacement downtime.

Key specifications

• Amperage: 400A
• Poles: 3-Pole
• Voltage rating: 600V

Why this product stands out

• Direct compatibility with existing Siemens panels and distribution setups using the SHJD69400NTH reference streamlines sourcing and installation.
• Reliable three-phase protection for heavy-duty applications such as large motors, conveyors, and three-phase feeders, helping to minimize downtime and equipment damage.
• Upgrade-friendly ideal for retrofit projects where higher current capacity or modernized protection is required without changing the entire panel architecture.

Use cases and ideal users

• Maintenance or replacement of aging or failed breakers in 3‑phase 600V electrical systems.
• Retrofits in industrial facilities, manufacturing lines, and heavy machinery setups needing 400A protection.
• New installs or panel upgrades where a Siemens 400A, 3‑pole, 600V solution ensures compatibility with existing Siemens components.
• Facilities managers and electrical contractors seeking a reliable, long-term component with predictable lead times and part traceability.

Practical guidance

Before purchasing, verify that the SHJD69400NTH matches your panel’s fit and ratings. The part number is the most reliable reference for compatibility, and confirming the exact specifications helps prevent installation delays. When installing, follow standard electrical safety practices and applicable code requirements; ensure power is isolated and equipment is properly grounded before work begins.

Choosing this Siemens circuit breaker means opting for a replacement that aligns with existing Siemens infrastructure, supports three-phase protection, and provides a clear upgrade path for future electrical needs. If you’re seeking a dependable, compatible 400A, 3‑pole, 600V solution, this SHJD69400NTH unit is designed to meet those requirements with precision.