ALCO Switch ALCO TSS-21

Core Features 3-Position Design for Versatile Mode Selection: Functions as a heavy-duty 3-position toggle slide switch engineered to support multi-mode control in industrial systems, featuring a robust actuator with "Off-On-On" functionality. This design enables seamless switching between power-off, primary operation, and secondary modes—ideal for equipment requiring dual-speed settings, alternative power sources, or redundant circuit control. Double-Pole Double-Throw (DPDT) Configuration: Equipped with a heavy-duty DPDT contact system (2 NO + 2 NC per position) rated for AC 250V (15A resistive) and DC 30V (10A resistive), making it suitable for controlling dual circuits across multiple operating modes. The silver-plated copper contacts ensure low resistance and excellent arc suppression, supporting 75,000+ mechanical operations. Rugged Industrial Construction: Housed in a zinc-plated steel housing with a corrosion-resistant coating, providing exceptional durability against mechanical impact, vibration, and environmental exposure. The switch achieves IP54 protection (IEC 60529) for dust resistance and protection against water spray, ensuring reliability in factory floors, outdoor enclosures, and vehicle-mounted systems. Positive Position Indexing: The 45mm-wide slide actuator features clear detents at each position ("Off," "On 1," "On 2") with a firm 6N operating force, preventing accidental mode changes in high-vibration environments. Its ergonomic design allows easy actuation even with gloves, critical for industrial settings. Secure Panel Mounting: Designed for front-panel installation with a 35mm × 18mm cutout, secured by four M3 screws that resist loosening under vibration. This stable mounting ensures consistent performance in heavy machinery, generator sets, or mobile equipment. Flexible Terminal Connections: Equipped with heavy-duty screw terminals accepting 12–18 AWG wires, enabling secure connections in high-current applications. Optional quick-connect tabs (6.3mm) support rapid installation in production lines or temporary setups. Typical Applications The ALCO Switch TSS-21 is engineered for multi-mode control in industrial equipment requiring versatile operation, with core use cases including: Dual-Speed Motors: Installed in conveyor systems, fans, or pumps to switch between high/low speed settings, optimizing energy use based on load requirements. Power Source Selection: Used in backup generator systems or mobile equipment to toggle between mains power, battery, or generator supply, ensuring uninterrupted operation. Industrial Ovens & Furnaces: Integrated into heating equipment to switch between operating modes (e.g., "bake," "broil," or "off"), with high current rating handling heating elements. Vehicle-Mounted Equipment: Deployed in trucks, construction vehicles, or agricultural machinery to control auxiliary systems (e.g., lights, winches) with multiple operating modes. Test & Measurement Rigs: Used in industrial testing equipment to switch between calibration, operational, and standby modes, ensuring precise control over test parameters.