The Relay detects any leakage current in the network and actuates alarmtrip circuit.Any installation with AC line distribution networking like Mines, Factories, Power Plants, Shopping Malls, Railways- Air Stations, Public Places. Etc....
The relay detects any leakage current in the network and actuates alarm trip circuit, • Aux. Supply : 240 V (AC) 110 V (AC), • Trip current : 100mA - 2 000 mA, • Output : 2 Change-over (Potential free)...
We are offering earth fault relay general features solid state current setting range 10 % to 80 % low power consumption variable current and time setting ideal for compliance to I e rule 61-a display features healthy & fault indication control features site settable current &...
Understanding the demands of customers as a manufacturer, supplier, exporter and trader, we are providing Static Earth Fault Relay. Our offered relays are current sensing devices that are tropicalized and manufactured employing advanced machinery...
Prok devices pvt ltd an iso 9001-2008 company introduces digital microprocessor micro controller based idmt definite time instantaneous earth fault relay (efr). It is a current sensing device which is semitropical professionally designed and tested...
Backed by rich industry experience, we have been able to manufacture, supply, export and trade Restricted Earth Fault Relay. Our offered relay is a universal protection device that is demanded for high, medium and low voltage networks. Owing to...
The unit has LCD for displaying the fault current (at the time of tripping) and setting values (curves, plug setting & TMS). The LEDs are provided for indicating power ON status and to indicate IDMT or DEFINITE TIME or INSTANTANEOUS mode operation....
INSTALLATION PROCEDURE FOR EARTH LEAKAGE RELAY CBCT : Check the sensitivity of Earth Leakage Relay and also the inner diameter of core balance current transformer. The Serial No. of the ELR and CBCT should match for better performance (the...
Prok dv's make Digital microprocessor/microcontroller based Earth Leakage Relays (ELR) with Core Balance Current Transformer (CBCT / ZCT) are used to detect leakage currents in electrical power systems. ELR transmits a signal to activate the trip...
Insulation resistance measuring: Measuring aux. voltage UH : ±24 V Measuring frequency : fH = 0.5 Hz Measuring resistance range : 1 KΩ to 1 MΩ Max. input voltage : 600 V DC Exciter DC current measuring : Nominal current IN : 10 A DC Power...
Insulation resistance measuring, Measuring aux. voltage UH : ±24 V, Measuring frequency : fH = 0.5 Hz, Measuring resistance range : 1 KΩ to 1 MΩ, Max. input voltage : 600 V DC, Exciter DC current measuring , Nominal current IN : 10 A DC, Power...
The application of powerful microprocessors with MR and IR-relays of the HIGH TECH RANGE provides a large variety of advantages over power protection systems of the traditional type. The MR-protection relays are based exclusively on...
The 'CGI 14N/C' Numerical Protection Relay is a fully digital relay based on microprocessor technology with analogue to digital conversion of the measured values and subsequent numerical processing. It uses specialized digital signal processor (DSP)...
Features Software based design Very sensitive and wide setting range Insensitive to currents at harmonic frequencies Trip test facility Principle of Operation: The Relays JRD 011 & JRD 013 are current operated Microprocessor based, differential...
Features Software based design Instantaneous / Definite time Wide range of battery voltage Solid state reliability Principle of Operation: The relay measures the leakage current between battery and earth if the current increased more than the set...
Application: The relay provides earth fault protection of Generators, Motors, Transformers, Feeder etc., and where definite time protection is required. Principle of Operation: The relay provides earth fault protection for power systems. Relay...
we are offring Restricted Earth Fault Relay. Features Software based design Very sensitive and wide setting range Insensitive to currents at harmonic frequencies Trip test facility...
Special Features • Most compact yet ultra flexible protection relays • Micro controller based True RMS Measurement • Two Tripping ranges in one unit • Two Time delay ranges in one unit • User selectable Normal/Fail safe...
Earth fault relay Two stages over current and two stage Earth fault protection Relay, Latest 999 fault events with 1 ms time stamp resolution, Hardware and software self-diagnosis, NDR controlled earth fault protection, 1 or 2 or 4 setting groups...
Earth Fault Relay is sensed by measuring the neutral current. Normally in three phase system the vector sum of three phase current are zero hence no current flows from neutral to earth. If ground fault occurs the vector sum is not zero. If we can...
The 'CGI 14NC' Numerical Protection Relay is a fully digital relay based on microprocessor technology with analogue to digital conversion of the measured values and subsequent numerical processing. It uses specialized digital signal processor (DSP)...
An Earth Fault Relay is a safety device used in electrical installations with high earth impedance to prevent shock. It detects small stray voltages on the metal enclosures of electrical equipment, and interrupts the circuit if a dangerous voltage...