Schneider NSX400N Circuit Breaker

About the Schneider NSX400N Circuit Breaker

The Schneider NSX400N Circuit Breaker from Schneider is a proven solution for power distribution applications across the power generation sector. Compact MCCB for power distribution up to 400A. Adjustable thermal-magnetic trip unit.

Engineered to 400A rating, 50 kA @ 415V breaking, 3P/4P poles, this unit is built for demanding industrial duty cycles.

Tunnel Fox sources the Schneider Schneider NSX400N Circuit Breaker directly from authorised distribution channels, so every unit ships with original-equipment-manufacturer (OEM) traceability — critical for plants running ISO-certified maintenance programmes or warranty-backed asset registers.

Schneider has a long-standing reputation for delivering reliable power distribution components, and the Schneider NSX400N Circuit Breaker fits naturally into greenfield builds, brownfield retrofits, and routine replacement cycles. Whether you need a single replacement unit for an emergency shutdown or a bulk order for a scheduled maintenance window, our procurement team will confirm availability, lead time, and landed cost in writing — usually within one business day.

For South African industrial operators, getting the right power distribution component on site quickly often makes the difference between a contained downtime event and a full production outage. We hold quote-ready relationships with global Schneider distribution partners and can ship to mine sites, processing plants, ports, and workshop addresses anywhere in the country.