Siemens | SHJD69400H | Circuit Breaker | 400A | 3-Pole | 600V

Siemens SHJD69400H Circuit Breaker is a high-capacity, three-phase protection solution designed for demanding electrical systems. With a 400-ampere rating and a 3-pole configuration, this device provides robust overcurrent protection for large commercial and industrial environments operating at up to 600 volts. When you need exact specifications to match an existing panel or retrofit project, this breaker is built to align with Siemens equipment and standards.

Key specifications

• Amperage: 400 A
• Poles: 3-Pole (three-phase protection)
• Voltage rating: 600 V
• Reference: Part number SHJD69400H
• Applications: Maintenance, retrofit, and replacement where matching specs are required

Why this breaker stands out

What sets the SHJD69400H apart is its precise alignment with Siemens panels and systems that demand a 400 A, 3-pole, 600 V protection device. It’s not a generic add-on—it’s a purpose-built component designed to slot into compatible Siemens electrical infrastructure, ensuring reliable performance and straightforward installation during critical service windows.

Ideal use cases

• Main service protection in large commercial facilities or light industrial spaces that run on three-phase power
• Retrofit projects where upgrading to a 400 A capacity is required to support increased loads
• Replacement of a failed or worn 3-pole, 600 V circuit breaker within systems designed for these exact specifications

Compatibility and ordering guidance

To ensure a seamless fit, verify that your equipment matches the SHJD69400H ratings: 400 A, 3-Pole, 600 V. The part number is your strongest reference for compatibility, so use SHJD69400H when confirming orders. Important: confirm fit and ratings before purchasing to avoid mismatches in panel configuration or electrical protection.

Practical insights for best results

For technicians and facilities teams, selecting the exact Siemens SHJD69400H minimizes downtime during maintenance or panel upgrades. By choosing a breaker that aligns with your existing three-phase layout and voltage requirements, you streamline handoffs, reduce compatibility checks, and maintain consistent protection across your electrical infrastructure. This 400 A, 3-pole solution is especially well-suited for spaces where reliable, code-compliant disconnection of large loads is essential.