Key Specifications Brand: Schneider Electric Product Series: Masterpact MVS Product Name: MVS 10N Product Type: Low-voltage power circuit breaker (Air circuit breaker - ACB) Model / Reference: MVS10N3F505 Number of Poles: 3P (3 Poles) Protection Unit: Electronic trip unit (Micrologic 5.0 - indicated by the "5" in the code) Mounting Mode: Fixed (indicated by the "F" in the code) Control Voltage: Typically 220-240V AC / 110-130V DC for the control unit (depending on specific MX/MN coil configuration) Electrical Parameters Rated Operational Voltage (Ue): 690 V AC (50/60 Hz) Rated Insulation Voltage (Ui): 800 V AC / 750 V DC Rated Impulse Withstand Voltage (Uimp): 8 kV Rated Current (In): 1000 A (MVS 10 = 1000A frame) Breaking Capacity (Icu) at 440 V: N (Standard Performance): 42 kA RMS Utilization Category: Category B (Selective protection) Number of Poles: 3 poles Protection Functions (Micrologic 5.0 Series) Long-time protection (L - Overload): Adjustable current setting (Ir) and time delay (tr) Short-time protection (S - Short-delay): Adjustable pick-up (Isd) and time delay (tsd) for selectivity (I²t on/off) Instantaneous protection (I - Short-circuit): Adjustable Ground fault protection (G): Not included (Micrologic 5.0 does not include ground fault protection) Additional Features Standards: Compliant with IEC 60947-1 and IEC 60947-2 Indication: Local flag indication for tripping cause (overload, short circuit) Measurement: Basic measurement capabilities Communication: May support optional communication modules for monitoring and control Auxiliary Contacts: Provisions for adding auxiliary switches, shunt trips (MX), undervoltage releases (MN), etc.