Reliance(reg) VTAC 7 A-C variable-speed drive is for precise control of HVAC fans, pumps, and blowers. Available in 1 to 10 hp, 208/230V, and 1 to 150 hp 460V ratings with flux vector quiet control, the VTAC 7 A-C drive uses IGBT switching technology to ensure quiet motor operation. A simple LED keypad helps with set-up, control, diagnostics, and metering. Standard RS232 port and configuration software gives users quick access to all program variables and diagnostic information.
The rear window on Ford's Lightweight Concept vehicle, based on the Fusion model, is made with a material combination devised by SABIC that saves 35% of the weight. The car's overall weight is 25% lighter than a standard production 2013 Fusion.
Major global metropolitan areas are implementing a vast number of technology, energy, transportation, and Internet projects to make the metropolis a friendlier, greener, safer, and more sustainable place to be.
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.