SZW26/LW2632/D303.3CF 32A 3 Position 3 Phase Panel Rotary Changeover Cam Switch with Box Overview This panelmounted rotary cam changeover switch (model SZW2632/D303.3CF, also referenced as SZW26/LW2632/D303.3CF) provides a reliable 3position 3phase switching solution (positions 1 0 2) for controlling and transferring power between circuits. The unit comes in color 32A D303.3CF and includes a protective box and a rotary knob for panel operation. Key benefits Simplifies source selection and changeover with a clear 3position rotary knob for manual switching between two power sources or isolation. Supports heavy switching demands with a conventional heating current rating of 32A and robust shorttime and making capacity for transient events. Versatile compatibility for a range of threephase applications thanks to rated working voltages of AC240V and AC440V and an insulation rating of 660V. Compact panel design and plastic housing make installation straightforward in control panels and equipment enclosures. Main features and specifications Model: SZW2632/D303.3CF (also listed as SZW26/LW2632/D303.3CF) Color: 32A D303.3CF Current rating: 32A conventional heating current (Ith) Positions: 3position rotary knob (1 0 2) Phases: 3 phase Material: Plastic housing Rated working voltage Ue: AC240V, AC440V Rated insulation voltage Ui: 660V Rated impulse withstand voltage Uimp: 2.5KV Rated shorttime withstand current Icw: 360A for 1 second Rated shortcircuit making capacity Icm: 508A Use category AC23A: rated working current Ie 30A Use category AC3: rated working current Ie 22A Use category AC4: rated working current Ie 11A Practical applications Power source changeover: Manual transfer between utility supply and backup generator or alternate supply in small industrial and commercial installations. Motor control: Switching and isolating threephase motors and drives in machinery where intermittent starting and stopping are required. Control panels and distribution: Integration into distribution boards and control cabinets for manual selection of circuits or testing procedures. Installation and compatibility notes Panelmounted design with rotary knob and enclosed box ready for installation in standard control panels. Plastic housing offers reduced weight; ensure mounting and wiring comply with equipment and cable ratings. Match the use category rating to the load type when planning connection: AC23A for general switching, AC3 for motor switching, AC4 for frequent starting or plugging operations. What this product delivers A durable, panelmounted 3position cam switch capable of handling threephase switching tasks up to 32A, with defined rated currents for different use categories and clear shorttime withstand performance. Use this model where reliable manual changeover and straightforward panel integration are required.