Surge protective device
Finalist in Electrical Distribution in Consulting-Specifying Engineer's 2011 Product of the Year competition
The Liebert SH Hybrid Series surge protective device from Emerson Network Power is a hybrid product with a coordinated multistage system of suppression. It uses a transitional method that includes a silicone avalanche diode module with tight clamping and rapid response. There is also a secondary metal oxide varistor module for high-energy capacity. This is made possible with an impedance-matching network with controlled copper geometries. The series offers component-level monitoring, including neutral to ground. It has a sand-packed silver fuse network that is UL-rated at 200 kA interrupting capacity. All of the product’s surge suppression components are computer-tested.
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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.