The Schneider Electric ComPacT NSX400L circuit breaker basic frame is engineered for robust power distribution and protection in demanding industrial environments. This 3-pole frame, designated by the C40L3 part identifier, serves as the foundational component for a 400 Amp circuit breaker, offering a significant interrupting capacity of 150 kA at 415 VAC, 50/60 Hz. It is designed to house various trip units, allowing for customizable protection schemes tailored to specific application needs.

Technical details

• Series: ComPacT NSX400L
• Number of Poles: 3
• Basic Frame Current Rating: 400 A
• Interrupting Capacity: 150 kA at 415 VAC
• Frequency Rating: 50/60 Hz
• Frame Type: Basic Frame (without trip unit)
• Voltage Class: 415 VAC
• Designed for integration with Schneider Electric NSX trip units for complete circuit breaker functionality.

Applications & compatibility

This basic frame is integral to the construction of high-capacity circuit breakers used in main distribution panels, motor control centers, and power distribution units for heavy industrial machinery. It is commonly found in applications such as large manufacturing plants, data centers, and infrastructure projects requiring reliable and high-fault current protection.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the C40L3 Schneider Electric basic frame or contact our technical team for cross-reference assistance with compatible ComPacT NSX components.