Siemens | SHJD69400G | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On

Siemens SHJD69400G is a 400A, 3-pole bolt-on circuit breaker engineered for robust protection in 600V electrical systems. Designed for reliability in commercial and industrial applications, it excels as a main disconnect or feeder breaker within compatible Siemens panels. Its bolt-on design enables a straightforward retrofit or replacement, helping you quicky restore or upgrade power distribution with minimal downtime.

Key specifications

• Amperage: 400 A
• Poles: 3-Pole
• Voltage rating: 600 V
• Mounting: Bolt-On
• Part number: SHJD69400G

Why this breaker matters for your system

For facilities running three-phase loads, the SHJD69400G provides dependable protection at a capacity that matches many mid-to-large installations. The bolt-on mounting isn’t just about ease of replacement—it ensures a solid mechanical and electrical connection in compatible panels, reducing the risk of loosening contacts over time and helping maintain consistent fault protection in demanding environments.

Ideal use cases

• Main service disconnects in commercial or industrial 600V distribution networks
• Retrofit projects upgrading existing panels to higher amperage or updated protection devices
• Replacement in Siemens bolt-on circuit breaker compatible panels where 3-phase protection is required

Fit, compatibility, and installation notes

To ensure a precise match, use the SHJD69400G part number as the primary compatibility reference. Confirm that your panel is rated for 600V and 400A and configured for bolt-on breakers. This unit is designed to integrate with Siemens bolt-on family panels, offering a direct route to reliable 3-phase protection without extensive rewiring.

Practical considerations and benefits

• Supports continuous, dependable protection for three-phase equipment and circuits
• Reduces downtime during maintenance with a straightforward bolt-on installation
• Fits seamlessly into existing Siemens panel ecosystems, simplifying inventory and service procedures

When you’re planning a replacement or retrofit in a Siemens environment, the SHJD69400G stands out for its combination of capacity, mounting simplicity, and compatibility. Ensure you reference the exact part number during ordering to lock in the correct fit for your 600V, 400A, 3‑pole application.