SZW26/LW2620 Cam Rotary Changeover Switch — 7 Phases, ONOFFON (102), 20A 660V, 28 Screw Terminals, KnobOperated, Panel Mount 64x64mm Why this switch helps Provides a reliable, compact way to select or change circuits in control panels and machinery. The 102 (ONOFFON) changeover arrangement supports quick selection between two active positions with a neutral center, ideal for reversing, alternate feed selection, or safe isolation. Rated for up to 20A and 660V for robust performance in many industrial and commercial applications. 28 screw terminals give flexible wiring options for multipole, multicircuit installations. Key specifications Model: SZW26 / LW2620 Type: Cam rotary changeover switch, knoboperated Positions: 7 phases (7 positions) Contact arrangement: 102 (ON OFF ON) Rated current: 20A Rated voltage: 660V Terminals: 28 screw terminals for secure connections Mounting: Panel mount Panel cutout / front panel size: 64 x 64 mm Main features and benefits Clear changeover logic: The 102 detent provides an unambiguous centeroff position for safe maintenance and testing between active states. Multiconnection capability: 28 screw terminals support complex wiring schemes without extra terminal blocks. Spaceefficient panel design: Fits a 64x64mm panel opening for easy integration into standard control enclosures. Operatorfriendly knob: Positive feel and visible position make switching intuitive for operators. Durable performance: Built for repeated switching at rated current and voltage in control and distribution environments. Typical applications Motor control panels: Use as a forward/off/reverse selector or to switch between two control sources. Industrial control and distribution: Select between alternate power feeds, control circuits, or isolate sections for service. Test benches and equipment: Provide a safe centeroff option for switching test inputs or configurations. Installation and safety notes Designed for panel mounting in a 64x64 mm cutout. Verify panel thickness and clearance before installation. Connect wiring to the 28 screw terminals using appropriate conductor sizes for 20A rating. Ensure the voltage and current ratings match your application and follow local electrical codes. Installation and maintenance should be performed by qualified personnel.