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There is no part numbers on this unit, the above part number discription fits this unit, see the catalog page at the website below. The WSRD disconnect switches are used as a service outlet for portable or fixed electrical equipment – generators, compressors, welders, etc. They are designed for use in nonhazardous areas where dust, moisture and corrosion may be a problem. Designed for flush or surface mounting. A fusible type switch, when used, also provides short circuit protection. Switches are NEMA type HD heavy duty 3-pole, with visible blades; a quick makeand-break mechanism with reinforced, positive pressure type blade and jawconstruction. Fusible types have fuse clips with steel reinforcing springs of positive pressure type. Pressure connectors are used for wire connectors. For maximum safety, the spring door receptacle at the bottom of the unit is mechanically interlocked with the switch operating mechanism. The switch cannot be closed until the plug is fully inserted and the plug cannot be withdrawn or inserted unless the switch is open. With the switch open, accidental plug withdrawal is prevented by the interlock mechanism. Withdrawal can only be accomplished by activation of the interlock release lever located on the receptacle. Enclosures are compact and rectangular in shape with a gasketed, hinged door. Enclosure, handle and other exterior parts are corrosion resistant. The switch enclosure covers are interlocked with the body and operating mechanism and cannot be opened when the plug is engaged and the switch is closed (‘‘ON’’). When the switch is open, the switch cannot be put in a closed (‘‘ON’’) position with the door open. Receptacle housings and plug exteriors – copper-free aluminum Insulation (plug and receptacle) – fiberglass-reinforced polyester Crimp/solder contacts – leaded red brass Operating handle – sheet steel Other exterior parts – stainless steel Leaded red brass – electro-tin-plate Sheet steel – baked grey enamel Fiberglass-reinforced polyester – natural (red) 4 pole; fusible 250 vdc; 600 vac 3-Tri-O-nic Smart Spot TRS60R 60amp Fuses included http://www.crouse-hinds.com/catalog/pdfs/01018to01019.pdf |