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MT08 H1B 3P F MIC 5.0 800A

The Schneider Electric Masterpact MT08 H1B 3P F MIC 5.0 800A is a high-performance low-voltage air circuit breaker (ACB) from the Masterpact MT series, designed for fixed mounting in electrical distribution systems.

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Key Specifications Brand: Schneider Electric Product Series: Masterpact MT Product Type: Low-voltage power circuit breaker (Air circuit breaker - ACB) Model Reference: MT08 H1B Number of Poles: 3P (3 Poles) Mounting Mode: Fixed (F) Protection Unit: Micrologic 5.0 (Electronic trip unit with ammeter function) Frame Size: 800A frame (MT08) Rated Current (In): 800 A (Full frame rating) Electrical Parameters Rated Operational Voltage (Ue): 690 V AC (50/60 Hz) Rated Insulation Voltage (Ui): 750 V DC / 800 V AC Rated Impulse Withstand Voltage (Uimp): 8 kV Breaking Capacity (Icu) at 440 V: H1B (High Performance): 65 kA RMS at 440V (typical for H1B rating) At 415V: 70 kA (typical) At 380V: 75 kA (typical) Breaking Capacity (Icu) at 690V: 35-40 kA (typical for H1B) Utilization Category: Category B (Selective protection) Service Breaking Capacity (Ics) at 440V: 50-75% of Icu (typically 42 kA) Short-time Withstand Current (Icw) at 440V: 65 kA for 1 second (typical for Category B with H1B rating) Operational Voltage Range: 200-690 V AC Frequency: 50/60 Hz