Siemens | SJD69400 | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On

Siemens SJD69400 is a heavy‑duty circuit breaker engineered for demanding electrical systems where high‑current protection is essential. With a 400 A rating, a 3‑pole configuration, and a 600 V maximum rating, this bolt‑on device is built to safeguard large feeders, motors, and critical loads in industrial and commercial environments.

The bolt‑on mounting provides a secure, robust connection to compatible Siemens panels, simplifying installation and future maintenance. This design minimizes bus bar obstructions and helps ensure reliable operation under demanding conditions, making it a practical choice for retrofit and replacement projects where exact specifications matter.

Key specifications

Amperage: 400 A

Poles: 3‑Pole

Voltage: 600 V

Mounting: Bolt‑On

Part number: SJD69400

Why choose the Siemens SJD69400 for your project

This breaker is purpose‑built for compatibility with Siemens panel systems, making it an ideal choice for maintenance, retrofit, and replacement where matching the exact specifications is critical. The 3‑pole design ensures balanced protection across all phases, while the 600 V rating covers a broad range of commercial and industrial power distribution needs. The bolt‑on format promotes a solid mechanical connection and dependable electrical contact, supporting long‑term reliability in challenging environments.

Use cases and practical applications

• Retrofit aging Siemens installations by replacing a damaged or obsolete breaker with an exact match to preserve safety certifications. • Protect high‑current feeders and large motor circuits in manufacturing plants, facilities, and data centers. • Replace existing 400 A, 3‑pole, 600 V breakers in compatible panels to restore protective continuity with minimal panel modification. • Ideal for service panels and main disconnects requiring a robust Siemens bolt‑on solution.

Compatibility and installation notes

Always confirm fit and ratings before ordering. The SJD69400 part number is your best reference for compatibility with your Siemens panel. Check the panel labeling to ensure the enclosure supports bolt‑on devices and a 400 A, 3‑pole, 600 V configuration. For a trouble‑free retrofit, match the breaker to the exact Siemens SJD‑series footprint and mounting requirements specified for your panel model.

Siemens SJD69400 delivers reliability and precise protection for high‑demand electrical systems, backed by a design that supports straightforward installation and long‑term serviceability in real‑world industrial environments.