EXAIR's new Dual High Temperature Cabinet Cooler® Systems purge and cool overheated electrical control panels in harsh environments up to 200°F (93°C). Cabinet Coolers keep electrical enclosures cool with air as cold as 20°F (-7°C) to eliminate high temperature malfunctions and protect sensitive electronics from hot, dirty locations, such as foundries, glass plants or steel … [Read more...]
Automation World Readers Name Corporation a ‘First Team’ Supplier
The readers of Automation World magazine recently recognized Rittal Corporation as one of their “First Team” suppliers as part of the publication’s Leadership In Automation 2011 evaluation program. Rittal was recognized for its extensive line of enclosures. Recipients of this annual honor were made public in the January 2012 edition of Automation World and will be promoted … [Read more...]
New Rack-Mounted Power, Blower and Lighting
Crenlo’s new power, airflow and lighting accessories for enclosure products include a 30-amp high-current power distribution unit, a rack-mounted blower and a lineup of new rack lighting configurations. The accessories are available for integration into Crenlo’s standard lineup of Emcor® enclosures as well as Crenlo’s custom enclosure solutions. They can also be used with … [Read more...]
A practical formula for air-cooled boards in ventilated enclosures
Fig. 1 - Ventilated cabinet Introduction Natural air convection is commonly applied as a cooling technique for electronic equipment of moderate power density such as telecommunication boxes. The main advantage of natural convection isits intrinsic reliability, because air movement is generated simply bydensity gradients, if an external body force field exists. However, due … [Read more...]
Thermal management of telecommunications cabinets
Figure 1. Thermal analog model of an OSP enclosure Introduction Over the past twenty years, telecommunications electronics have become increasingly decentralized - moving ever furtherfrom the controlled and protected environment of the Central Office intothe Outside Plant (OSP). The OSP environment contains rain and humidity,dust and pollutants, significant daily and annual … [Read more...]
