MT32 H2 3200A 4P_Schenider_PRODUCT_吉林易择科技技术发展有限公司

The Schneider Electric Masterpact NW32H2 Air Circuit Breaker (ACB) is a high‑capacity industrial circuit breaker designed for low‑voltage power distribution protection in commercial, industrial, and utility electrical systems. It is rated at 3200 A and has 4 poles (4P) for three‑phase applications with neutral. The H2 interrupting capacity code provides a high short‑circuit breaking performance (typically 100 kA or higher depending on voltage level). The breaker can be supplied as a fixed or draw‑out unit and can work with modular protection units (such as Micrologic trip units) for overload, short‑circuit, and earth‑fault protection. It conforms to international standards for low‑voltage switchgear and is suitable for main or feeder distribution panels.

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DESCRIBE

Technical Parameters Parameter Specification Product Name Schneider Electric Masterpact Air Circuit Breaker Model / Frame Masterpact NW32H2 / MTZ2‑32 H2 Device Type Low‑Voltage Air Circuit Breaker Rated Current (In) 3200 A at 40 °C ambient Poles 4 poles (3P + N) Rated Operational Voltage (Ue) 690 V AC, 50/60 Hz Rated Insulation Voltage (Ui) 1000 V AC Rated Impulse Withstand Voltage (Uimp) 12 kV Interrupting Capacity Code H2 (high interrupting performance) Ultimate Short‑Circuit Breaking Capacity (Icu) 100 kA at 220/415 V AC & 440 V AC; 85 kA at 525 V AC & 690 V AC Service Short‑Circuit Breaking Capacity (Ics) Same as Icu at respective voltages Rated Short‑Time Withstand Current (Icw) 85 kA for 1 s / 75 kA for 3 s Short‑Circuit Making Capacity (Icm) 220 kA @ 220/415 V; 187 kA @ 440–690 V Suitability for Isolation Yes, complies with IEC 60947‑2 Selectivity Category Category B (IEC) Control / Operation Push‑button or with optional trip unit Mounting Mode Fixed or draw‑out version available Typical Application Main and feeder protection in industrial/commercial power systems

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