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INS250 3P

The Schneider Electric iNS250 is a three-pole, 250A frame Intelligent Molded Case Circuit Breaker (iMCCB) from the next-generation iNS series. It is a revolutionary device designed for the digital age, embedding advanced protection, precise measurement, and native Ethernet connectivity directly into the breaker.

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Parameters: Parameter Value / Description Product Line / Frame Size iNS250 Rated Ultimate Current (Iu) 250A Frame Rated Working Current (In) Adjustable up to 250 A via the intelligent trip unit. Number of Poles 3 Breaking Capacity (Key Selection) Must be specified: Available in multiple levels (e.g., N1, H1, H2, H3) to match system fault current. Example: iNS250 N1 (Standard) or iNS250 H2 (High). Rated Ultimate Breaking Capacity (Icu) Depends on selected rating. Typical High level (H2): ~70 kA at 400V AC (IEC 60947-2). Rated Operational Voltage (Ue) Up to 690 V AC Intelligence Core Integrated iCTU (Intelligent Connected Trip Unit) – a digital brain built into the device. Communication (Native & Embedded) Dual Embedded Ethernet Ports (RJ45) with TCP/IP Modbus protocol. Supports daisy-chaining for simplified network topology. Digital I/Os (Embedded) 2x Digital Inputs (DI) + 2x Digital Outputs (DO) for external control and signaling (e.g., interlocking, remote commands, alarms). Protection Functions Fully adjustable Long-time (L), Short-time (S), Instantaneous (I), and Ground Fault (G) protection via the iCTU. Measurement & Monitoring Comprehensive & High Accuracy: Phase/Neutral currents, Voltages (line & phase), Frequency, Power (kW, kvar, kVA), Power Factor, Energy (kWh, kvarh), Demand, Harmonics (THD), and Device Health (contact wear, temperature). Standard IEC 60947-2 Mounting Fixed or Withdrawable (via separate base/insert kit). Connection Front or Rear connection (depends on kit).