The Schneider Electric Masterpact MT08 N1 3‑Pole is a high‑performance air circuit breaker (ACB) designed for robust protection and control in low‑voltage power distribution systems.
Specifications
Parameter Specification
Brand Schneider Electric
Product Type Air Circuit Breaker (ACB)
Model / Type Masterpact MT08 N1, 3‑Pole
Rated Current (In) 800 A at 40 °C
Poles 3‑Pole (3P)
Rated Operational Voltage (Ue) 690 V AC, 50/60 Hz
Rated Insulation Voltage (Ui) 1000 V AC
Breaking Capacity Class N1 (standard breaking performance)
Ultimate Breaking Capacity (Icu) 50 kA @ 400 V AC
Short‑Time Withstand Current (Icw) Approx. 42 kA @ 1 s
Making Capacity (Icm) Approx. 105 kA
Impulse Withstand Voltage (Uimp) 12 kV
Control Unit Compatibility Supports Micrologic protection/trip units
Mounting Fixed or draw‑out (optional)
Connection Terminals Front/back screw clamp
Trip & Protection Functions Configurable thermal, short‑time, instantaneous, and optional earth fault when used with Micrologic
Mechanical Endurance Designed for repeated operation
Application Three‑phase main incomer or feeder protection in industrial and commercial electrical distributions