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NSC 3P 20A

The Schneider Electric NSC 3P 20A is a three-pole (3P) circuit breaker designed for use in low-voltage electrical distribution systems. This model has a 20A rated current and provides overload and short-circuit protection.

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Specifications General Product Type: Circuit Breaker Model: NSC 3P 20A Configuration: 3P (three-phase) Rated Current: 20A Application: Protection of low-voltage circuits and electrical systems Mounting: DIN rail or panel mounting Electrical Ratings Rated Operational Voltage (Ue): Typically 400V–690V AC (for industrial and commercial applications) Rated Insulation Voltage (Ui): 690V AC Rated Impulse Withstand Voltage (Uimp): 8kV Short-Circuit Withstand Capacity: Icu: 25kA (breaking capacity) Ics: 25kA (service short-circuit rating) Rated Frequency: 50/60Hz Operating Temperature Range: Typically -5°C to +40°C Performance & Protection Features Thermal-Magnetic Protection: Offers both overload protection and short-circuit protection Adjustable Trip Settings: Allows for overload protection customization within the 20A rating Instantaneous Short-Circuit Protection: Reliable trip response for short-circuit faults Motor Protection: Suitable for motor control circuits, offering protection against overload and short-circuit conditions Mechanical & Environmental Degree of Protection: Typically IP20 (front face) Housing: Compact, modular design for integration in switchboards Cable Connections: Screw terminals for reliable connections Mechanical Durability: ~10,000 operating cycles Mounting: DIN rail compatible for easy installation Accessories & Options Auxiliary Contacts: Available for status monitoring Shunt Release: Allows for remote tripping Undervoltage Release: Option for undervoltage protection