Siemens | SHJD69400NGTH | Circuit Breaker | 400A | 3-Pole | 600V | 35kA | Bolt-On

Meet the Siemens SHJD69400NGTH circuit breaker—the dependable 400A solution for demanding three‑phase power networks. This 3‑pole, 600V unit is built for heavy feeders, delivering precise protection and predictable performance in industrial and commercial environments. Its bolt‑on mounting simplifies field installation and ensures a secure, vibration‑resistant fit in Siemens‑compatible panels.

Key specifications at a glance

• Amperage: 400 A
• Poles: 3‑Pole
• Voltage: 600 V
• Short‑Circuit Breaking Capacity: 35 kA
• Mounting: Bolt‑On
• Part Number: SHJD69400NGTH

This breaker is purpose‑built for maintenance, retrofit, and replacement projects where exact specifications matter. The bolt‑on design provides a robust mechanical connection ideal for environments with vibration and thermal cycling, while the 3‑pole configuration protects all three phases (L1, L2, L3) in a single, compact package. By matching the SHJD69400NGTH with compatible Siemens panels, you gain consistent electrical coordination and streamlined service intervals.

Why choose this Siemens breaker? It’s not just about amperage and voltage. The SHJD69400NGTH is tailored for installations that demand reliable, long‑term performance under heavy load. Its 35 kA breaking capacity helps limit fault energy to connected equipment, reducing the risk of collateral damage during a short circuit. The bolt‑on design also supports quicker field replacements, minimizing downtime during maintenance windows.

Ideal use cases:

• High‑demand industrial feeders protecting three‑phase motors and processing lines
• Retrofits and equipment upgrades in facilities with Siemens bolt‑on panel architectures
• Commercial power distribution hubs requiring robust, secure breaker action for critical circuits

Important notes: Before ordering, confirm fit and ratings for your specific installation. The part number SHJD69400NGTH is the best reference for compatibility, ensuring you select the exact Siemens bolt‑on breaker that matches your panel and protection scheme.