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ISCB2 40H1 4P

The Schneider Electric iSCB2 40H1 4‑Pole Surge Protective Back‑up Device is an accessory device designed to work with Type 2 surge protective devices (SPDs) in low‑voltage electrical distribution systems

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Specifications General Product Type: Surge protection back‑up protective device Series: iSCB2 Model: 40H1 4P Number of Poles: 4 (three phases + neutral) Intended Use: Back‑up protection for Type 2 SPD modules in low‑voltage distribution systems Electrical Ratings Protection Category: Type II (designed to work with Type 2 surge protective devices) Surge Capacity Coordination: Designed to coordinate with SPDs rated for high transient current handling Maximum Surge Current Capability (Imax): 40 kA per mode (approximate back‑up protection capacity) Rated Short‑Circuit Breaking Capacity (Icn): Suitable to interrupt fault currents at the level required for SPD protection (e.g., ~36 kA typical) Rated Operating Voltage: Compatible with low‑voltage AC distribution systems (e.g., three‑phase 230/400 V or equivalent) Rated Frequency: 50/60 Hz Protection & Performance Back‑up Overcurrent Protection: Provides overcurrent/short‑circuit protection for connected surge modules SPD Compatibility: Designed to be paired with Type 2 surge protective devices to ensure safe surge energy diversion and protective coordination Operating Function: Automatically isolates the protected SPD during fault conditions to prevent damage and maintain safety Mechanical & Installation Mounting: DIN‑rail mountable for easy integration into distribution panels Terminal Connections: Screw/terminal block connections for secure wiring Design: Compact modular enclosure suitable for panelboards and distribution boards