Technical Parameters Parameter Specification Model BZMU3N-3-AX Rated Current (Iₙ) Up to 630A (specific rating depends on order code) Frame Size 630A Number of Poles 3P (Three Pole) Rated Voltage (Uₑ) 690 V AC Rated Frequency 50/60 Hz Breaking Capacity Up to 100 kA (depending on specific rating) Trip Unit Type Electronic (AX type) Rated Insulation Voltage (Uᵢ) 1000 V Rated Impulse Voltage (Uᵢₘₚ) 12 kV Protection Functions Long-time (L), Short-time (S), Instantaneous (I), Ground Fault (G) Communication Protocol Modbus, Profibus (optional) Mounting Fixed or Drawout Type Terminal Type Screw Clamp or Bus Connection Standards & Approvals UL 489, IEC 60947-2, CSA C22.2
