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HONEYWELL 51303932-476 protection device

HONEYWELL 51303932-476 protection device

Product Title:HONEYWELL 51303932-476 protection device

                           

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Consideration must be given to the water table at the site. Factors to consider include its location in relation to the surface and whether or not it is subject to large seasonal variations. Design the earth electrode subsystem so that it makes and maintains contact with soil that stays damp or moist year round if at all possible. Penetration of the permanent water table is highly desirable. (c) The depth of the frost line even in the coldest periods must be determined. The resistivity of soil rises greatly as the soil temperature drops below 32° F. Thus for maximum stability of electrode resistance, the subsystem should penetrate far enough into the soil so that contact is always maintained with unfrozen soil. In permafrost, fault protection must be provided through the use of metallic returns accompanying the power conductors to insure the existence of a return path to the transformer or generator.

                                                                        

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Application industry: widely used in metallurgy, oil and gas, glass manufacturing, aluminum, petrochemical, coal mine, paper and printing, textile printing, machinery, electronic manufacturing, automobile manufacturing, tobacco, plastic machinery, electricity, water conservancy, water treatment/environmental protection, municipal engineering, boiler heating, energy, power transmission and distribution, etc.

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