The Schneider NSU160H 3P 160A 2.2 is a Molded Case Circuit Breaker (MCCB) designed for overcurrent protection in 3-phase electrical circuits. It is part of the NSU series, which provides reliable protection against overload, short-circuit, and earth faults for both industrial and commercial applications.
Parameters:
Rated Current (In): 160A
Poles: 3P (Three-pole configuration for 3-phase protection)
Rated Voltage (Un): 415V AC (standard for 3-phase systems)
Rated Frequency: 50/60Hz
Breaking Capacity (Icu): 25kA (maximum fault current the MCCB can safely interrupt)
Overload Protection: Yes, the MICROLOGIC 2.2 trip unit includes adjustable overload protection to suit various electrical load requirements.
Short Circuit Protection: Yes, the breaker features magnetic short-circuit protection to provide instant disconnection in case of a short circuit.
Earth Fault Protection: Yes, available in the MICROLOGIC 2.2 trip unit, providing protection against earth leakage to prevent electrical shocks and fire hazards.
Insulation Resistance: ≥ 100MΩ (at 500V DC)
Ambient Temperature Range: -25°C to +60°C (suitable for diverse environments and conditions)
Mechanical Durability: 20,000 operations
Electrical Durability: 4,000 operations (under rated current and short-circuit conditions)
Auxiliary Contacts: Available for signaling or remote monitoring.