Natural Air-Cooled Neutral Grounding Resistor is used in AC distribution networks to limit the fault current which would flow from the transformer or generator neutral start point in the event of an earth fault in the systems. The Neutral Grounding Resistor is designed with a capacity of up to 66 KV for fault of short duration like 10 sec., 30 sec., 60 sec. Etc. National Resistors, an ISO 9001:2008 certified company manufactures Natural Air-Cooled Neutral Grounding Resistor.
National Resistors offers a wide range of Neutral Earthing Resistors, Buffer Resistors, Loading Resistors, Battery discharge Resistors, Isolators, Panels, Load Bank and Side Cubicles. The Natural Air-Cooled Neutral Grounding Resistor is made from stainless steel, cast iron, copper, nickel or nichrome and can operate under a temperature range of 375° C/ 760 ° C.