Siemens | CJD62L400 | Circuit Breaker | 400A | 2-Pole | 600V

Engineered for reliability in demanding electrical environments, the Siemens CJD62L400 circuit breaker delivers 400 A of protection in a 2-pole, 600 V configuration. This unit is designed for maintenance, retrofit, and replacement tasks where exact specifications matter, ensuring you keep distribution systems running smoothly with a trusted Siemens component.

Key specifications

• Amperage rating: 400 A
• Pole configuration: 2-Pole
• Voltage rating: 600 V
• Best compatibility reference: Part number CJD62L400

Ideal use cases

Designed for larger commercial and light industrial applications, the CJD62L400 shines in scenarios such as upgrading service capacity, replacing a failed breaker in a Siemens panel, or performing routine maintenance where a direct-fit, high-current breaker is required. Use it to protect feeders and main distribution paths, or as a replacement in retrofits where spec-matching components minimize downtime and preserve panel integrity.

Why this Siemens device stands out

What sets this circuit breaker apart is its precise alignment with Siemens panels and systems that call for a 400 A, 2-pole, 600 V device. Rely on the CJD62L400 when you need a dependable, OEM-grade component that maintains electrical performance and safety standards. The part number is your clearest reference for compatibility, reducing guesswork in retrofit projects and spares inventory.

Practical considerations

• Before ordering, confirm fit and ratings against your panel or switchgear documentation. The CJD62L400 is identified by its part number, which is the most reliable compatibility indicator.
• Store spare units in a clean, dry environment to preserve performance and reliability for future maintenance needs.
• When installing, follow all applicable electrical safety protocols and ensure the system is de-energized and properly isolated.