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HD-Pro™ Application Notes

Avoiding electrical accidents and equipment damage are keys to reducing liability and increasing productivity. Minimum ground fault, GFCI, protection can be incorporated into the main power disconnect device and could be considered adequate for the entire system. However, in such a design, any downstream ground fault could trip the main protective device resulting in a complete substation power outage. The NEC's purpose, in its own words, is "the practical safeguarding of persons and property…but not necessarily efficient, convenient, or …for good service…" (Article 90.1A, B). In other words, system reliability is left to common sense and good engineering design practices. For this reason ground fault, GFCI, protection of the circuit may be highly desirable and recommended for reliable and continuous operation.

TRC engineers designed the HD-PRO models specifically for high current, rugged environments and these models are field-proven in all kinds of tough applications. The entire HD-PRO family (120V/30A to 600V/100A) is designed to trip within 25 milliseconds after ground fault detection at an adjustable selected trip level of 6, 10 or 30 mA or 10.30.50 mA..

Disclaimer: Information contained in these publications regarding device applications and the like is intended as suggestion only and may be superseded by updates. It is your responsiblity to ensure that your application meets with your specifications. No representation or warranty is given and no liability is assumed by TRC with respect to the accuracy or use of property rights arising from such use or otherwise.

For electrical safety guidelines and how to avoid electrical shock in certain applications, please download the following Application Notes:

arc-welding.jpgArc Welding
Arc Welding is described as using a welding power supply to create an electric arc between an electrode and the base material to melt the metals at the welding point. Find out why and how you should always use a local ground fault circuit interrupter (GFCI) when operating arc welding equipment. High power equipment and welders can be protected from hazardous ground faults with HD-PRO.
pdf icon Arc Welding Application Notes PDF

 

assembly-line.jpgAssembly Equipment
Assembly Equipment provides automation in the production process. Automated assembly equipment includes insertion, brazing and soldering, clinching and stitch folding, eyeleting, injected metal (IMA), riveting, screw driving and welding, just to name a few. Find out why and how you should always use a local ground fault circuit interrupter (GFCI) when working with or operating assembly equipment.
Assembly Equipment Application Notes PDF

 

conveyor.jpgConveyors
Conveyors are commonly found in factories, industrial facilities, warehouses, distribution centers and in a large number of manufacturing workplaces. Find out why and how you should always use a local ground fault circuit interrupter (GFCI) when working with or operating a conveyor power system.
Conveyors Application Notes PDF

 

hoist.jpgHoists
Hoists are one of the top productivity enhancing tools found almost anywhere goods are regularly moved, worked on and/or mounted into an assembly. Find out why and how you should always use a local ground fault circuit interrupter (GFCI) when operating a hoist power system.
Hoists Application Notes PDF

 

pressure-washer.jpgPressure Washers

Pressure Washers are powerful tools used for washing buildings, bricks, floors, storefronts, parking lots, dumpsters, bus fleets, machinery, farm equipment, engines and more. Find out why and how you should always use a local ground fault circuit interrupter (GFCI) when operating a high pressure sprayer washer. Industrial pressure washers can be protected from hazardous ground faults with HD-PRO.
pdf icon Pressure Washers Application Notes PDF

 

wet saw

Tile and Concrete Cutters
Tile, concrete and other wet saws are key pieces of machinery used every day by cutters that need portable saws on all installations requiring a custom cut for a perfect fit. Find out why and how you should always use a local ground fault circuit interrupter (GFCI) when operating wet saws.
Tile & Concrete Cutters Application Notes PDF

 

nuclear-power plantNuclear Power Plants
HD-Pro provides ground fault solutions for nuclear power plants to enchance their safety program, ensure employee safety, reduce risk and liability and adapt to changing OSHA requirements. HD-Pro models are designed specifically for high current, rugged environments and are field-proven in all kind of tough applications.

Nuclear Power Plant Application Notes PDF

 

Temporary Power Distribution

Ground fault circuit interrupters (GFCIs) should be the first consideration in protecting personnel and equipment from electrical failure. Equipment Leakage Current Interrupters (ELCIs) are similar to GFCIs, only have a higher leakage current level and are designed to protect equipment. As temporary power distribution devices are connected and removed, cords and connection devices become worn and portable equipment is subjected to abrasion, vibration, and impact. All of this leads to the potential for ground faults.

Temporary Power Distribution Application Notes PDF

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