NKK Switches' YB2 Series of illuminated pushbuttons includes an outer ring illumination option

NKK Switches has expanded its YB2 Series of illuminated 22-millimeter pushbuttons to include an outer ring illumination option. The outer ring illumination option is achieved by adding a cap that features a luminous outer ring surrounding a metallic silver center. This option is available in all the bright and super bright LED colors offered in the YB2 Series product line, including blue, green, red, white and amber. These LED colors are diffused through a clear outer ring, framing the metallic silver center in a halo of light. Custom legends on the cap are also available.

The YB2 pushbuttons are tamper-resistant, flush-mount, and have a low profile. The dust-tight and splash-proof panel seal design meets IP65 of IEC60529 standards. The illuminated models feature built-in ballast resistors.
         
Design engineers can choose either power-rated or logic level options. Ratings are 3A at 125V AC, 3A at250V AC or 3A at 30V DC for power models with silver contacts, and 0.4VA maximum T 28V AC/DC maximum for logic level versions with gold contacts. Available in SPDT and DPDT momentary and maintained action, the series features actuation provided by the snap-action contact mechanism. Contacts are provided with both normally open and normally closed configurations.

The YB2 Series exhibits a short behind-the-panel body measuring 24.5 millimeters. The series has a tamper-resistant 19-millimeter actuator with a long stroke and user-friendly actuation. Terminals are combination solder lug and 0.110-inch quick connect. The epoxy seal locks out flux, dust, solvents and other contaminants, as well as securing the terminals for contact stability.

The switches have a flammability rating of UL94V0 and are cULus recognized. Mechanical life is 1,000,000 operations minimum for momentary circuits and 200,000 operations minimum for maintained circuits. Electrical life is 100,000 operations minimum.

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