Circuit Protection

NSX 3P MCCB Double Breakpoint Molded Case Circuit Breaker

Walax NSX-equivalent 3-pole molded case circuit breaker with double-breakpoint contacts. The double-break design delivers superior current-limiting performance and extended electrical endurance for demanding applications.

Double Breakpoint

Two series contact gaps per pole improve arc interruption and current limiting.

NSX Footprint

Matches the NSX form factor for direct replacement in existing switchgear.

Long Electrical Life

Double-break design reduces contact wear for extended service.

Specifications

Technical Specifications

Standard ratings listed below – custom configurations available on request. Contact our engineers to confirm parameters for your market.

StandardIEC 60947-2 · CE
Rated current (In)16A – 630A (frame dependent)
Poles3P
Rated voltageAC 400V / 690V (50/60Hz)
Breaking capacity36kA – 70kA
Trip typeThermal-magnetic / Electronic
Contact designDouble breakpoint
MountingFixed / plug-in / draw-out
Mechanical life≥ 10,000 operations
Ambient temperature-5°C to +40°C
Applications

Where These Breakers Ship

Industrial distribution, motor protection and feeder applications where current-limiting performance and electrical endurance are priorities. The NSX footprint suits both new builds and replacements.

FAQ

Frequently Asked Questions

Each pole interrupts the arc at two series gaps, improving current limiting and extending contact life compared to single-break designs.
Yes – it matches the NSX form factor for drop-in replacement.
36–70kA depending on the frame.
Yes – IEC 60947-2 type-test reports and CE documentation accompany every shipment.
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