EE Product News

Pushbutton Switches Seek Demanding Applications

A new series of low-profile pushbutton switches has been designed to meet the needs of the most demanding applications. The UB series comes in illuminated or non-illuminated versions with power or logic level rated devices in an extremely compact body, boasting a behind-panel depth of 10 mm. Square models have a panel cutout of 16.2 mm, and rectangular devices have a cutout of 16.2 mm x 22.4 mm. Rated 5A at 125V/250V ac or 5A at 30V dc for power rated models, and 0.4 VA maximum at 28V ac/dc maximum for logic level devices, the UB switch has a mechanical life of one million operations minimum for momentary models and 200,000 operations minimum for alternate action circuits. Both single pole and double pole, double throw configurations have been developed. Alternate action circuits have a latch-down mechanism, making the circuit status instantly visible. These switches feature a snap-acting contact mechanism that provides sensitive actuation and audible, tactile feedback. In addition, they are quick make, quick break, which limits arcing and prolongs electrical life. Illuminated models are supplied standard in red, green or amber. NKK SWITCHES, Scottsdale, AZ. (480) 991-0942.


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