Technical Parameters
Parameter Specification
Brand Eaton
Product Model NZMN3-A450
Standard IEC 60947-2
Type Miniature Circuit Breaker (MCB)
Number of Poles 3 Poles (3P)
Rated Current (Iₙ) 50 A
Tripping Characteristic / Curve Type C (Instantaneous trip: 5 to 10 x Iₙ)
Rated Operational Voltage (Uₑ) 400 V AC, 50/60 Hz
Rated Insulation Voltage (Uᵢ) 500 V AC
Rated Impulse Withstand Voltage (Uᵢₘₚ) 6 kV
Breaking Capacity (I꜀ᵤ) 10 kA (at 400V AC)
Electrical Durability 10,000 cycles
Mechanical Durability 20,000 cycles
Terminal Capacity
- Top & Bottom Terminals Solid: 50 mm²
Stranded: 35 mm²
Fine-stranded: 25 mm²
Terminal Torque 3.0 N·m (Maximum)
Mounting 35 mm DIN Rail (EN 60715)
Degree of Protection IP20 (when installed in an enclosure)
Ambient Temperature -25 °C to +60 °C (for reference, per standard)
Approvals / Certifications CE, CCC, IEC 60947-2
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