Siemens | SJD6B400LSIG | Circuit Breaker | 400A | 3-Pole | 600V

Meet the Siemens SJD6B400LSIG circuit breaker—an essential protective device designed for demanding electrical distributions. With an am-perage rating of 400A, a 3-pole configuration, and a maximum system voltage of 600V, this unit is built to handle high-load environments while delivering dependable fault protection.

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

Why this Siemens model stands out

• Direct-fit option when your installation requires the SJD6B400LSIG part number, ensuring reliable compatibility with matching panels and distribution gear.
• Ideal for maintenance, retrofit, and replacement projects where precise specifications are non-negotiable for safety and performance.
• Compatibility is most accurately determined by the part number—keep this reference handy to verify fit with your panel labeling and ratings.

Use cases and practical scenarios

• Renew protection in aging facilities through a known-good Siemens device that minimizes downtime during retrofits.
• Upgrade a distribution panel to support higher load demands with a 400A breaker that aligns with existing equipment.
• Maintain ready stock for industrial environments where rapid replacement is critical to keeping production lines running smoothly.

Installation and practical considerations

• Before ordering, confirm that your system requires 400A, 3-Pole, 600V and that SJD6B400LSIG is the correct compatibility reference for your setup.
• Adhere to your panel’s documentation and electrical codes to ensure proper protection settings and safe operation.

For projects needing a proven Siemens protection solution, the SJD6B400LSIG delivers the exact specifications required for reliable circuit protection in high-demand electrical systems. If your application calls for a 400A, 3-Pole, 600V breaker with Siemens-grade reliability, this unit is the precise match you’re seeking.