Surge protection for photovoltaics
A color-coded, modular plug-in, and DIN-rail mounted design with a voltage rejection feature and easyID visual indication makes the new Cooper Bussmann Surge Protective Device (SPD) simple to identify, install, and maintain. The device is the first SPD for dc photovoltaic (PV) applications to be recognized by the UL1449 third edition, is IEC61643-11 compliant, and is simple to specify for solar power applications globally. Built-in, fast-acting, short-circuit interruption technology for 600, 1000, and 1,200 Vdc systems safely shunts damaging surges and overvoltages to ground. This high-performance capability also eliminates the need for additional fuses or overcurrent protection and associated panel space, providing PV users with complete protection at substantial cost savings.
Case Study Database
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Annual Salary Survey
In a year when manufacturing continued to lead the economic rebound, it makes sense that plant manager bonuses rebounded. Plant Engineering’s annual Salary Survey shows both wages and bonuses rose in 2012 after a retreat the year before.
Average salary across all job titles for plant floor management rose 3.5% to $95,446, and bonus compensation jumped to $15,162, a 4.2% increase from the 2010 level and double the 2011 total, which showed a sharp drop in bonus.