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MASTERPACT NW25 H1

The Schneider Electric MasterPact NW25 H1 is a low‑voltage, three‑pole air circuit breaker designed for industrial and commercial power distribution protection. It provides reliable overload and short‑circuit interruption capability with safe isolation of electrical circuits. The breaker is suitable for fixed or draw‑out installations and manual operation via push‑button control, ensuring reliable performance in medium‑to‑large power distribution systems.

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Specifications General Product Family: MasterPact NW Device Type: Low‑voltage air circuit breaker Model: NW25 H1 Poles: 3‑pole Application: Protection and isolation in electrical distribution Standards Compliance: IEC 60947‑2 Utilisation Category: Category B Control Type: Push‑button manual operation Mounting Mode: Fixed or draw‑out Suitability for Isolation: Yes Electrical Ratings Rated Current (In): 2500 A @ 40 °C Rated Operational Voltage (Ue): Up to 690 V AC, 50/60 Hz Rated Insulation Voltage (Ui): 1000 V AC Rated Impulse Withstand Voltage (Uimp): 12 kV Breaking Capacity Class: H1 Rated Ultimate Short‑Circuit Breaking Capacity (Icu): 65 kA at 220–690 V AC Rated Service Short‑Circuit Breaking Capacity (Ics): 65 kA at 220–690 V AC Rated Short‑Time Withstand Current (Icw): 65 kA @ 1 s Rated Short‑Circuit Making Capacity (Icm): 143 kA peak at 220–690 V AC Network Frequency: 50/60 Hz Mechanical & Operational Control Mechanism: Manual push‑button actuation Operating Durability: Designed for multiple operational cycles Isolation Function: Provides main circuit isolation Mechanical Durability: 10,000 cycles without maintenance Electrical Durability: 6,000 cycles at rated load conditions Environmental Installation Environment: Indoor switchboards and distribution panels Pollution Degree: Industrial standard environments