Technical Specifications Parameter Specification / Typical Value Manufacturer / Brand Eaton Model Number NZMH2-A250 Product Line NZM Rated Current (Iₙ) 250 A Poles 3 Frame Size NZMH2-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 250A Short-Circuit Protection (Im) Fixed magnetic trip Installation Fixed Type Standards Compliance IEC 60947-2 Electrical Life Several thousand cycles (e.g., 5,000) Mechanical Life Tens of thousands of cycles (e.g., 20,000) Terminal Torque Refer to official manual (Specific torque for 250A terminals)

Technical Specifications Parameter Specification / Typical Value Manufacturer / Brand Eaton Model Number NZMH2-A125-BT Product Line NZM Rated Current (Iₙ) 125 A Poles 3 Frame Size NZMH2-A Mounting Type Fixed Trip Unit Type Thermal-Magnetic (Non-Adjustable) Rated Operational Voltage (Uₑ) 400/415 V AC | 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) Integrated Accessory Trip Alarm Contact (1 NO) Accessory Contact Rating Typically AC-15: 230V / 5A (Please verify from manual) Standards Compliance IEC 60947-2

Technical Specifications Parameter Specification / Typical Value Manufacturer / Brand Eaton Model Number NZMN2-M160 Product Line NZM Rated Current (Iₙ) 160 A Poles 3 Frame Size NZMN2-M 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 50 kA @ 400V (Must be verified from datasheet) Trip Unit Type Thermal-Magnetic (Non-Adjustable) Overload Protection (Ir) Fixed at 160A Short-Circuit Protection (Im) Fixed magnetic trip Installation Fixed Type Standards Compliance IEC 60947-2 Electrical Life Several thousand cycles (e.g., 5,000) Mechanical Life Tens of thousands of cycles (e.g., 20,000) Terminal Torque Refer to official manual (Specific torque for 160A terminals)

Technical Specifications Parameter Specification / Typical Value Manufacturer / Brand Eaton Model Number NZMS2-A200 Product Line NZM Rated Current (Iₙ) 200 A Poles 3 Frame Size NZMS2-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 200A Short-Circuit Protection (Im) Fixed magnetic trip Installation Fixed Type Standards Compliance IEC 60947-2 Electrical Life Several thousand cycles (e.g., 5,000) Mechanical Life Tens of thousands of cycles (e.g., 20,000) Terminal Torque Refer to official manual (Specific torque for 200A terminals) 典型应用 (Typical Applications):

Technical Specifications Parameter Specification / Typical Value Manufacturer / Brand Eaton Model Number NZMN1-A125 Product Line NZM Rated Current (Iₙ) 125 A Poles 3 Frame Size NZMN1-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 125A Short-Circuit Protection (Im) Fixed magnetic trip Installation Fixed Type Standards Compliance IEC 60947-2 Electrical Life Several thousand cycles (e.g., 5,000) Mechanical Life Tens of thousands of cycles (e.g., 20,000) Terminal Torque Refer to official manual (Specific torque for 125A terminals)

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)

Technical Specifications Parameter Specification / Typical Value Manufacturer / Brand Eaton Model Number LZMN1-A160 Product Line NZM Rated Current (Iₙ) 160 A Poles 3 Frame Size NZM1-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 25 kA / 36 kA @ 400V (Must be verified from datasheet) Trip Unit Type Thermal-Magnetic (Non-Adjustable) Overload Protection (Ir) Fixed at 160A Short-Circuit Protection (Im) Fixed magnetic trip Installation Fixed Type Standards Compliance IEC 60947-2 Electrical Life Several thousand cycles (e.g., 5,000) Mechanical Life Tens of thousands of cycles (e.g., 20,000) Terminal Torque Refer to official manual (Specific torque for 160A terminals)

Technical Specifications Parameter Specification / Typical Value Manufacturer / Brand Eaton Model Number NZMS1-A125 Product Line NZM Rated Current (In) 125 A Poles 3 Frame Size NZMS1 Mounting Type Fixed Trip Unit Type Fixed Thermal-Magnetic (TMD) Rated Operational Voltage (Ue) 400/415 V AC 690 V AC Rated Insulation Voltage (Ui) 750 V / 1000 V AC Rated Frequency 50/60 Hz Rated Ultimate Breaking Capacity (Icu) e.g., 36 kA / 50 kA @ 400V (This is a CRITICAL detail that must be verified from the official datasheet) Accessories Can typically be fitted with auxiliary contacts, shunt trips, under-voltage releases, and rotary handles. Standards Compliance IEC 60947-2

Technical Specifications Parameter Specification / Typical Value Manufacturer / Brand Eaton Model Number NZMB1-AF80-NA Product Line NZM Rated Current (In) 80 A Poles 3 Frame Size NZMB1 Mounting Type Fixed Trip Unit Type Fixed Thermal-Magnetic (TMD) Rated Operational Voltage (Ue) 400/415 V AC 690 V AC Rated Insulation Voltage (Ui) 750 V / 1000 V AC Rated Frequency 50/60 Hz Rated Ultimate Breaking Capacity (Icu) e.g., 25 kA / 36 kA @ 400V (Crucial to verify from datasheet) Accessories None (Can typically be field-equipped with auxiliary contacts, shunt trips, etc.) Standards Compliance IEC 60947-2

Technical Specifications Parameter Specification / Typical Value Manufacturer / Brand Eaton Model Number NZM2/3-XA208-250AC/DC Product Line NZM Rated Current (In) 208 A (Set at the trip unit) Frame Size NZM2 Poles 3 Trip Unit Type Electronic (MPU type) Rated Operational Voltage (Ue) 400/415 V AC 690 V AC Rated Insulation Voltage (Ui) 750 V / 1000 V AC Rated Frequency 50/60 Hz Rated Ultimate Breaking Capacity (Icu) e.g., 50 kA / 65 kA @ 400V (Must be verified from datasheet) Protection Functions L - Long-time (Ir, tr) S - Short-time (Isd, tsd) I - Instantaneous (Ii) G - Ground-fault (Ig, tg) Adjustability All protection settings (Ir, Isd, Ii, Ig, time delays) are fully adjustable. Accessory Supply Voltage 250 V AC / 250 V DC (For built-in shunt trip, under-voltage release, etc.) Standards Compliance IEC 60947-2