Technical Specifications
Parameter Specification / Typical Value
Manufacturer / Brand Eaton
Model Number NZMC1-A100
Product Line NZM
Rated Current (Iₙ) 100 A
Poles 3
Frame Size NZMC1-A
Rated Operational Voltage (Uₑ) 400/415 V AC (IEC) / 690 V AC
Rated Insulation Voltage (Uᵢ) 690 V AC
Rated Frequency 50/60 Hz
Rated Ultimate Breaking Capacity (I꜀ᵤ) Typically 36 kA / 50 kA @ 400V (Must be verified from datasheet)
Trip Unit Type Thermal-Magnetic (Non-Adjustable)
Overload Protection (Ir) Fixed at 100A
Short-Circuit Protection (Im) Fixed magnetic trip
Installation Fixed Type
Standards Compliance IEC 60947-2
Electrical Life Several thousand cycles
Mechanical Life Tens of thousands of cycles
Terminal Torque Refer to official manual (Specific torque for 100A terminals)
The Eaton NZMC1-A100 is a 100-ampere, 3-pole, molded case circuit breaker (MCCB) from the industrial-grade Eaton NZM series.
The "NZMC1" identifies the specific frame size within the NZM family. The "A" typically denotes a specific interrupting capacity rating for this frame. The "100" specifies the fixed rated current of this unit, which is 100 Amperes.