SCHNEIDER NS800N Molded Case Circuit Breaker

Product Description

SCHNEIDER NS800N is a Compact NS series Molded Case Circuit Breaker (MCCB) designed for low-voltage power distribution and industrial protection applications. It provides protection against overload and short-circuit faults and is widely used in industrial switchboards, electrical cabinets, and power distribution systems.

The NS800N series supports high-current applications, typically up to 800 A rated current, with different pole configurations and trip unit options depending on the exact model configuration.

Specifications

• Brand: SCHNEIDER ELECTRIC
• Model: NS800N
• Series: Compact NS
• Product Type: Molded Case Circuit Breaker (MCCB)
• Rated Current: 800 A
• Number of Poles: 3P / 4P (depending on version)
• Rated Voltage: Up to 690 V AC
• Breaking Capacity:
  • 45 kA @ 415 V AC (typical NS800N version)
  • Other breaking capacities available depending on configuration
• Trip Unit: MicroLogic electronic protection unit (varies by version)
• Mounting Type: Fixed / draw-out (depending on configuration)
• Protection Function: Long-time + instantaneous protection (LI) or advanced protection options

Functions

• Protects electrical circuits from overload current
• Interrupts short-circuit fault currents
• Provides reliable switching and isolation functions
• Protects industrial equipment and distribution systems
• Supports electronic protection and monitoring through MicroLogic trip units

Advantages & Features

• Schneider Compact NS reliable protection technology
• High current carrying capability
• Strong short-circuit interruption performance
• Modular accessory design
• Compatible with auxiliary contacts, shunt trips, undervoltage releases and other accessories
• Suitable for industrial power distribution applications

Applications

• Industrial power distribution systems
• Factory electrical switchboards
• Motor control centers (MCC)
• Large automation cabinets
• Building electrical distribution
• Energy management systems

Notes

• NS800N is a complete MCCB series, not an accessory
• Exact specifications depend on suffix/configuration (trip unit, poles, mounting type)
• Confirm whether the breaker includes MicroLogic trip unit and terminals before replacement
• Check rated voltage and breaking capacity before installation
• Ensure correct accessory compatibility when adding auxiliary devices