These replacement switches are made for the power industry, and promise to be a perfect match to panel-mount instrument or control switches.
Type W switches have silver-plated and self-swiping maintained, momentary, slip or lateral contacts. It can be built with up to 10 decks, 10 poles, and 12 positions, and has a continuous rating of 20 amps at 600 V, with various interrupt ratings (5-50A at 120-600 Vac or 8A at 125 Vdc). The Type W-2 switch has a rotary roller design with up to six self-aligning rollers. The silver-plated contacts are enclosed in a glass polyester frame. It can be built with up to eight decks, 48 poles, and 12 positions, and has a continuous rating of 20 amps at 600V. It is available with various interrupt ratings (8-30 A at 120-600 Vac or 1-5 A at 125-250 Vdc). Both models have nonshorting (break-before-make) and shorting (make-before-break) contacting available. Prices start at $90 each. Electroswitchhttp://rbi.ims.ca/4928-591
The word “smart” is becoming the dumbest word around. It has been applied to almost every device and system in our homes. In addition to smartphones and smart meters, we now hear about smart clothing and smart shoes, smart lights, smart homes, smart buildings, and every trendy city today has its smart city project. Just because it has a computer inside and is connected to the Web, does not mean it is smart.
Are you being paid enough? Do you want a better job? According to a recent survey Manpower released just before Engineers Week, employers and engineers don't see eye-to-eye about the state of US engineers' skills and experience.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.