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Square D® heavy duty safety switches are designed for commercial and industrial applications where maximum performance and continuity of service is vital. Like our general duty switches, they too can provide over-current and short circuit protection when equipped with fuses. When equipped with either a factory-installed solid neutral assembly or a field-installed equipment grounding kit (some exceptions apply), the switches are also suitable for use as service equipment.

Heavy duty safety switches features:

• Fusible and Non-Fusible
• 240 Vac or 600 Vac maximum
• 30–1200 A
• Up to 200 kA SCCR, utilizing appropriately rated Class R fuses and Class R fuse kits or Class L and Class J fuses
• Horsepower rated for motor applications
• Enclosures available: stainless steel NEMA Types 3, 3R, 4, 4X, 5 or 12; NEMA Type 4X fiberglass, cast aluminum, or KRYDON; NEMA Types 7 and 9
• UL Listed, File E2875
• Meets or exceeds NEMA KS1