Centralab PA-2045 Rotary Switch: Precision and Versatility in Compact Design
The Centralab PA-2045 is a meticulously engineered rotary switch, offering a 2-pole, 6-position configuration with a 60° indexing mechanism. This design ensures precise and reliable switching, making it an ideal choice for various electronic applications.
Key Features
- 2-Pole, 6-Position Configuration: Facilitates versatile circuit control, allowing seamless integration into complex systems.
- 60° Indexing: Provides a consistent and tactile rotational feel, ensuring accurate position selection.
- Break-Before-Make Contacts: Designed to prevent short circuits during transition between positions, enhancing operational safety.
- Durable Construction: Built with high-quality materials to withstand rigorous use, ensuring longevity and reliability.
Applications
The PA-2045 rotary switch is suitable for a wide range of applications, including:
- Industrial Equipment: Facilitates mode selection and control in machinery and instrumentation.
- Audio Devices: Enables channel or function selection in audio equipment.
- Communication Systems: Assists in frequency or channel selection in radio and communication devices.
Technical Specifications
- Contact Rating: 0.5 Amp at 125VAC; 1.5 Amp at 28VDC.
- Contact Material: Silver-plated brass contacts to ensure low resistance and high conductivity.
- Insulation: Steatite insulation for enhanced electrical isolation and durability.
- Dimensions: Compact design with a shaft diameter of 1/4″ and a length of 1.829″, fitting standard mounting requirements.
Conclusion
The Centralab PA-2045 rotary switch combines precision engineering with robust construction, offering a reliable solution for diverse switching needs. Its thoughtful design and quality materials make it a valuable component in both new designs and maintenance of existing equipment.

























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