Siemens | SCJD69400NGT | Circuit Breaker | 400A | 3-Pole | 600V

When your electrical system demands robust, reliable overcurrent protection for heavy loads, the Siemens SCJD69400NGT circuit breaker delivers. This 400A, 3-pole unit is engineered for three‑phase power networks up to 600V, making it a precise match for industrial panels, service disconnects, and retrofit projects that require exact specifications.

• Amperage: 400A — solid protection for high‑load feeders in commercial and industrial settings.
• Poles: 3‑Pole — ideal for three‑phase power distribution, ensuring synchronized trip and balanced protection across phases.
• Voltage rating: 600V — suitable for a wide range of industrial electrical systems and equipment operating at higher voltages.
• Application focus: maintenance, retrofit, and replacement — designed to meet situations where exact spec alignment is essential for safety and performance.
• Reference integrity: part number SCJD69400NGT — using the exact part number ensures compatibility with matching Siemens panels, accessories, and interlocks.

The Siemens SCJD69400NGT isn’t just a number on a label—it’s a deliberate choice for systems that require dependable interruption capability, predictable trip behavior, and long‑term reliability in demanding environments. By matching the precise amperage, pole configuration, and voltage, this circuit breaker helps protect wiring, prevent equipment damage, and minimize downtime during maintenance or retrofits.

Why this matters in practice

• Industrial corridors, manufacturing lines, and heavy service panels often run at elevated currents and voltages. A 400A, 3‑pole unit ensures you have clear, decisive protection exactly where you need it.
• In retrofit scenarios, maintaining exact spec alignment reduces installation friction and helps preserve panel coordination with existing protective devices.
• Replacement with the correct part number simplifies ordering, reduces risk of incompatibility, and supports consistent safety margins across your electrical infrastructure.

How to verify fit

Before ordering, confirm that the SCJD69400NGT matches your panel’s model, bus arrangement, and protection requirements. The part number is the most reliable reference for compatibility, ensuring the breaker will physically and electrically integrate with your Siemens ecosystem.

Designed for professionals who demand precision, durability, and peace of mind, the Siemens SCJD69400NGT circuit breaker is the dependable choice for high‑current, three‑phase applications up to 600V. Include it in your maintenance plan, retrofit project, or replacement strategy to safeguard critical power routes and keep operations running smoothly.