Schneider Electric C40N32D400 NSX400N 3P 400A 50kA Moulded Case Circuit Breaker

The Schneider Electric C40N32D400 NSX400N is a 3-pole 400A moulded case circuit breaker (MCCB) from the Compact NSX400N series, rated at 415V AC with a breaking capacity of 50 kA — delivering robust overload and short-circuit protection for demanding industrial power distribution and motor circuit applications. Weighing 6.05 kg, the NSX400N is engineered for installation in control panels, switchboards, and distribution boards where high fault-current interruption capability and reliable protection are required.

Technical Specifications

Applications & Use Cases

• Industrial Power Distribution: Suitable for main and sub-distribution boards in manufacturing plants, process industries, and infrastructure facilities requiring high fault-current protection at 415V AC.
• Motor Circuit Protection: Provides reliable overload and short-circuit protection for large motor loads up to 400A in industrial automation and control panel assemblies.
• Switchboard & Busbar Systems: Compact NSX400N form factor integrates efficiently into modular switchgear and busbar-fed distribution assemblies.
• Commercial & Utility Installations: Applicable in data centres, utility substations, and large commercial buildings where 50 kA breaking capacity meets the fault level demands of high-energy supply networks.

Frequently Asked Questions

What is the breaking capacity of the Schneider Electric C40N32D400 NSX400N?

The NSX400N (C40N32D400) has an Icu breaking capacity of 50 kA at 415V AC, making it suitable for high fault-level industrial environments.

How many poles does the C40N32D400 have?

The C40N32D400 NSX400N is a 3-pole circuit breaker, designed for three-phase power systems.

What is the rated current of the NSX400N?

The rated current is 400A at 415V AC, positioning it for high-current feeders and large motor circuits.

What is the weight of this MCCB?

The Schneider Electric C40N32D400 NSX400N weighs 6.05 kg.