1. Product Identification & Overview

️· Product: AST (likely a part number or series name). It's a switch.
️· Manufacturer: The contact information at the bottom of many pages indicates a manufacturer located at 763-535-2339.
️· Website: www.citswitch.com

2. Specifications & Materials

️· Electrical Ratings:
- 5A @ 120VAC
- 28VDC
- 2A @ 250VAC
- *Note:* See Contact Options for further details.
️· Electrical Life: 30,000 cycles typical
️· Contact Resistance: < 20 mΩ initial (at 2-4VDC, 100mA)
️· Dielectric Strength: 1500Vrms minimum
️· Insulation Resistance: > 100MΩ minimum
️· Operating Temperature: -40°C to 85°C
️· Storage Temperature: -40°C to 85°C
️· Materials:
- Actuator: Brass, Chrome Plated
- Housing: 4/6 Nylon, Glass Filled, Heat Stabilized, UL94V-0
- Support Bracket: Steel, Tin Plated
- Contacts: Copper Alloy, Silver Plated
- Terminals: Copper Alloy, Silver Plated

3. Ordering Information & Configuration

️· Process Sealed: Indicates a specific manufacturing or protection process.
️· Contact Options: (From the 'Contact Options' Table)
- Q: Silver Plating
- R: Gold over Nickel Plating
- G: Gold over Silver Plating
️· Configurability: The document shows a good deal of configurability through:
- Switch Function: SPDT, DPDT, 3PDT options are shown with various toggle positions and terminal configurations.
- Actuator Options: Lengths are affected by bushing type (E vs. N).
- Terminal Options: A range of terminal lengths (S20, S25) are available.
- Mounting: Options for horizontal (HS) and vertical (VS) mounting.
- Bracket: Options for PC pins with support brackets.

4. Key Tables & Information

️· Switch Function Table: Defines the different switch positions and resulting electrical connections for SPDT, DPDT, and 3PDT configurations.
️· Terminal Length Table: Provides terminal length options (S20 and S25) and corresponding dimensions.
️· Hardware Information: Two hex nuts, one lock washer, and one locking ring are supplied with threaded bushings.

5. Key Takeaways

️· Highly Customizable: This switch series offers a wide array of options for specific application needs.
️· Robust Design: The materials and ratings suggest a durable and reliable switch.
️· Comprehensive Documentation: The document provides detailed specifications, diagrams, and tables to guide selection and configuration.