The Schneider NSX400H 2.3M 3P 320A is a Molded Case Circuit Breaker (MCCB) designed to provide overcurrent protection for 3-phase electrical circuits with a rated current of 320A. It is part of the NSX series from Schneider Electric, known for offering high-performance protection for industrial, commercial, and residential electrical systems.
Parameters:
Rated Current (In): 320A
Poles: 3P (Three-pole configuration for 3-phase protection)
Rated Voltage (Un): 415V AC (standard voltage for 3-phase systems)
Rated Frequency: 50/60Hz
Breaking Capacity (Icu): 50kA (maximum fault current the MCCB can safely interrupt without causing damage)
Overload Protection: Yes, provided by the MICROLOGIC 2.3M trip unit, which features adjustable overload settings to match the specific requirements of the installation.
Short Circuit Protection: Yes, the MICROLOGIC 2.3M provides magnetic short-circuit protection, ensuring instantaneous disconnection in the event of a short circuit.
Ground Fault Protection: Yes, it includes earth fault protection to detect leakage currents and reduce the risk of electrical shock.
Insulation Resistance: ≥ 100MΩ (at 500V DC)
Ambient Temperature Range: -25°C to +60°C (suitable for diverse environmental conditions)
Mechanical Durability: 20,000 operations
Electrical Durability: 4,000 operations (under rated current and short-circuit conditions)
Auxiliary Contacts: Available for remote signaling or status monitoring applications.