The Y-NSX250S is a robust thermal-magnetic molded case circuit breaker designed for reliable overload and short-circuit protection in low-voltage distribution systems. With a 250A frame size and high breaking capacity, it delivers dependable performance for commercial and light industrial applications.

Key Features

• Thermal-Magnetic Trip Unit — Proven dual-element protection: thermal for overload, magnetic for instantaneous short-circuit response
• 250A Frame Size — Accommodates current ratings from 100A to 250A with adjustable thermal settings
• High Breaking Capacity — 36kA at 415V AC (S type), suitable for most distribution panel applications
• 3-Pole Configuration — Standard 3P design for three-phase power distribution
• Fixed Mounting — Reliable fixed installation with optional plug-in or draw-out versions
• Auxiliary Contacts Available — OF (ON/OFF indication), SD (trip indication), and MN/MX (shunt/undervoltage release)
• IEC 60947-2 Compliant — Meets international standards for low-voltage switchgear

Technical Specifications

Applications

Commonly deployed in commercial building distribution boards, industrial feeder circuits, HVAC systems, pump controls, and generator panels where reliable thermal-magnetic protection is required.

For pricing and technical inquiries, please contact our sales team.