Schneider’s FN (and FN-C series) Load Break Switches are manual switch disconnectors engineered for safe and efficient AC load isolation in industrial and commercial electrical systems. Featuring quick-make/break mechanisms, arc-suppressing quad contacts, and safety-enhancing terminal shrouds and interlocks, they’re suitable for frequent switching and maintenance operations across a broad current range—making them essential components for power distribution and control panel environments.
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Description
These are robust load break switches designed to safely make or break electrical circuits under normal load conditions. Rated typically for 415 V AC systems, with current capacities ranging from 32 A up to 2000 A, they offer reliable circuit isolation, manual operation, and visible ON/OFF indication—ideal for distribution boards and control panels.
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Specifications
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Rated Current: 32 A – 2000 A
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Voltage Rating: Up to 415 V AC, AC-23A utilization category
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Pole Configurations: 2P, TPN, or 4P (100% rated, with switched neutral)
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Standards: IEC 60947-3
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Features
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Quick-make / Quick-break mechanism for safe switching
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Quad-break contacts for effective arc quenching and enhanced electrical life
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Telescopic shaft enables step-less depth adjustment
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Phase barriers, terminal shrouds, and high creepage/clearances enhance safety
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Clear ON/OFF indications and optional door interlocks
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Applications
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Load isolation in industrial panels and motor control centers (MCCs)
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Power distribution systems, control panels, and switchgear
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Safe maintenance isolation and emergency shutdown in electrical installations
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Advantages
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Compact, robust, and ideal for frequent switching
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Enhanced safety with arc control, shrouds, and clear indications
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Fits a wide current range (32 A to 2000 A)
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Flexible mounting and accessory options, including interlocks and auxiliary contacts
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Disadvantages
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Manual operation only—lacks motorized or remote actuation
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Requires proper upstream protection (fuses or breakers), as it doesn’t offer full fault protection by itself
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Larger units may need more panel space and thoughtful integration
