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Rod Grid Type Neutral Grounding Resistor
Known for its smooth functioning and wide application areas, our range of Neutral Grounding Resistors is extensively demanded and availed by our clients at the most reasonable and competitive prices. Besides, our expert team give special care to the quality aspects of our offered products.
Rated Voltage : For neutral grounding or earthing resistor rated voltage means line- to neutral voltage i.e. System Voltage divided by root 3 i.e. 1.732
Rated Current : Means Initial current that will flow through resistor when it is cold. Normally Full load current value is same as Rated current
Time Rating : It is length of time for which NGR must tolerate rated voltage
Short Time Rating : Normally it is 10 sec. or 30 sec. or 60 sec. depending on design parameters of protection system
Continuous Rating : It is normally 10 % of full load current for healthy system neutral grounding resistor to be designed for continuous rating of 5 % to 10 % of full load current
Temperature Rise Allowed: Normally Temperature rise is restricted to 375 deg.c. above ambient temperature as per BS-587
Cabling or termination : Suitable arrangement and clearance is provided for termination of cable, flats or bus duct as per requirement with removable gland plate
Construction: NGR include resistor assembly, plus required insulators, internal connections and hardware etc
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