 LEDtronics says its latest generation of R30 LED Reflector spotlight bulbs combine advanced light emitting diode (LED) technologies, standard 25mm Edison bases and light optimizing designs to produce vivid light. R30 LED bulbs are available in five light emitting angles (15°, 20°, 30°, 40° and 95°) and in 120 volts AC. Other voltages from 12V to 240V — AC or DC —are available for qualified customers. With a power draw of only 4.5 Watts, the savings add up quickly, says the company. R30 LED bulbs are designed to perform well in systems subjected to voltage dips or surges. Integrated current-limited resistors ensure that no circuit modifications are required. Solid-state design renders LEDs impervious to electrical and mechanical shock, vibration, frequent switching and environmental extremes. With an average lifespan of 100,000-plus hours (11 years)—up to 50,000 hours for white LEDs—LED bulbs operate reliably year after year and are appropriate for many energy-saving uses, says the company.
www.ledtronics.com
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 Siemens Automation and Drives (A&D) introduced a new range of IEC low-voltage motors with aluminum housing. The new motors of the 1LE1 series are offered in the efficiency classes EFF1 and EFF2. The energy-efficient EFF1 motors achieve their high efficiency through the use of copper rotors.
www.siemens.com
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 Schneider Electric Canada has introduced Simply Smart industrial ac drives for 3-phase asynchronous motors from 0.5 to 900 hp. The Altivar 71 model, dedicated to all industrial applications, is complemented by the Altivar 61, for pumps and fans. Altivar 71 can deliver up to 220% overtorque; 130% for Altivar 61. Both drives offer flux vector control (FVC) with or without sensor, online auto-tuning, speed or torque control, output frequency up to 1000 Hz and an energy saving function for pump and fan applications. One drive can independently control up to 3 motors, units withstand voltage drops of up to -50%, RF interference and operating temperatures up to 50ºC (without derating).
www.schneider-electric.ca |
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 Working with designers of a new type of wind turbine gearbox, SKF engineers improved several aspects of their tapered roller bearing to create a low friction tapered roller bearing that reduces performance loss. In initial rig testing, the bearing is said to have a minimum of 30% lower friction torque than a conventional bearing design. These improvements were achieved by tightening bearing specifications and optimizing the bearing internal geometry, then meeting the refined specifications with improved manufacturing techniques. Specifically, SKF was able to optimize the number of rollers and modify the raceway, reducing weight of rotating parts by 10% – without affecting performance. Available later in 2007, the initial size range will be 220 to 600 mm outside diameter. www.skf.ca |
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 The Type CRES high thrust rod actuator from THK is said to produce maximum operating efficiency, while a low voltage dc motor (12 V"15%) contributes to reduced energy consumption. The IP55 unit provides a maximum stroke of 130 mm, making it suitable for packaging machines, automatic seat positioners, panel operating mechanisms, positioning systems, height adjusters and opening/closing mechanisms. Nominal speed ranges are from 15 to 55 mm/s, with a nominal feeding force of 196 to 490 N.
www.thk.com
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 Siemens Automation and Drives (A&D) introduced a new range of IEC low-voltage motors with aluminum housing. The new motors of the 1LE1 series are offered in the efficiency classes EFF1 and EFF2. The energy-efficient EFF1 motors achieve their high efficiency through the use of copper rotors.
www.siemens.com |
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