NKK Series A Toggle Switches Overview
The NKK Series A Toggle Switches are super subminiature, PCB mounting, washable toggle switches known for their wide variety of configurations and applications. These switches offer multiple pole options, such as SPST (Single Pole Single Throw), SPDT (Single Pole Double Throw), DPDT (Double Pole Double Throw), and SP3T (Single Pole Triple Throw).
Available Configurations
The diverse configurations of the NKK Series A Toggle Switches include different PC terminals such as standard length straight, right angle, vertical, and options with brackets to facilitate versatile circuit designs. Circuit options range from “OFF-NONE-ON” to momentary connections. Additionally, the switches come in various toggle and paddle styles (e.g., bat, flatted, and snap tops), offering different lengths and actuator types to address distinct ergonomic and design needs.
Toggle Positions, Schematics, and Terminal Numbering
Positions of the toggle switches are defined by standard up, center, and down positions, with schematic internal connections illustrated for clarity. Terminal numbering is highlighted, although it’s worth noting that these numbers might not be present on the actual switch. Special attention is given to switches like the A24, A28, and A27 models which convert a double pole configuration to a single pole with three independent circuits, requiring extra connections during field installation.
Materials and Color Options
NKK Series A Toggle Switches are available with paddle materials made of nylon and optional lever caps crafted from polyvinyl chloride. A variety of colors for caps and paddles are provided, including black, white, red, yellow, green, blue, and gray to accommodate different design aesthetics and functions.
Accessories and Ordering Examples
The datasheet elaborates on accessories such as optional snap-in panel mounts for single or double pole configurations, with additional details located at the end of the catalog. A typical ordering example, such as (A12AH-GC), reveals the order syntax where “A” identifies the series, “12” specifies the model, “AH” describes the actuator type and length, and “GC” denotes color options.
Contact Information
For more detailed information, the datasheet includes the manufacturer’s contact details, NKK Switches, located in Scottsdale, Arizona, with phone and fax numbers provided for customer support.
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