The **10TS-746-R** refers to a high-quality, miniature toggle switch typically manufactured by companies like **Dailywell** or similar industrial component suppliers. These switches are widely used in telecommunications, instrumentation, and medical equipment. --- ## Technical Specifications | Feature | Specification | | :--- | :--- | | **Switch Function** | SPDT (Single Pole Double Throw) | | **Circuitry** | On-On (maintaining position) | | **Contact Rating** | 5A @ 120VAC or 28VDC; 2A @ 250VAC | | **Electrical Life** | 40,000 make-and-break cycles at full load | | **Contact Resistance** | 10 mΩ max. initial @ 2-4VDC | | **Insulation Resistance** | 1,000 MΩ min. | | **Dielectric Strength** | 1,000 Vrms min. @ sea level | | **Operating Temp** | -30°C to 85°C | --- ## Key Components & Materials The reliability of the 10TS-746-R is derived from its industrial-grade material composition: 1. **Actuator (Toggle):** Usually made of brass, chrome-plated for durability and corrosion resistance. 2. **Bushing:** Nickel-plated brass, providing the threaded interface for panel mounting. 3. **Housing/Case:** Diallyl Phthalate (DAP), a high-strength plastic with excellent thermal stability (UL94V-0 flammability rating). 4. **Contacts/Terminals:** Silver-plated copper alloy (or gold-plated for low-power logic applications) to ensure low electrical resistance. 5. **Terminal Seal:** Epoxy-sealed at the base to prevent contamination (flux/solder) from entering the switch during PCB assembly. --- ## Applications Because of its compact size and high cycle life, this part is commonly found in: * **Networking Hardware:** Reset or configuration switches. * **Audio/Visual Equipment:** Signal routing and power toggles. * **Industrial Control Panels:** Manual overrides for sensors or motors. * **Test & Measurement:** Calibration mode selection. --- ## Installation Diagram (Simplified) ```text [ Actuator ] || [ Bushing ] <-- 1/4-40 UNS Thread __________________ | Body | |__________________| | | | [1] [2] [3] <-- PC Thru-Hole or Solder Lug Terminals ```