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Superintend Ground Fault Monitoring System, from Neelkanth, ensures maximum electrical safety.

ground fault monitoring system
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The Rise of leakage current in Electrical Power Distributions are quite dangerous, resulting in Electrical hazards. Leakage Current are due to deterioration of insulations, negligence of wire man, bad wiring, and inferior / substandard usage of Electrical Materials, aging or endurance of Electrical environment.

First and foremost importance should be given for the proper Earthing of Electrical Network System. The Earth Leakage Current are very low and are sensitive leakage current can be detected by Ground Fault Monitoring System. GFMS detects the leakage current in the circuit and isolate the power supply by switching off the tripping device – Contactor.

Salient features
b Micro Controller based compact Design.
b 8 Character 2 Line LCD Display with Backlit.
b True RMS Measurement of Leakage Current.
b Continuous Monitoring and Display of Set value and Measured value of Leakage Current.
b Immune to external disturbances like harmonics and transients.
b Test and Reset facility.
b CBCT Connection monitoring facility.
b Trip Circuit Failure Indication.
b Consistent reliability with accuracy.
b Temper proof Polycarbonate cover in the front with locking facility.
b Optional RS 485 communication port.

b Data processing facilities
b Health Care Facilities
b Office building & hotels
b Automated Industrial Plants
b Telecommunication centers
b Fire hazard areas

Technical Specification
b Current Setting Range 300 mA to 12 Amps. In step - 300mA / 500mA / 750mA / 1.00A / 1.25 / 1.50 / 1.75 / 2.50 / 3.00 / 4.00 / 5.00 / 6.00 / 7.00 / 8.00 / 9.00 / 10.00 / 11.00 / 12.00 Amp.  With 1 mA resolution upto 1A and 10mA upto 12A  Accuracy -   ± 2 %
b Tripping Time 0.0 Second top 5 Seconds in step of 0.05 Sec
b Instantaneous Tripping Time less than 35 msec.
b Core Balance Current Transformer Moulded case CBCT with open circuit detection.
b Communication RS. 485 (Optional)
b Potential Free contact 2 Change Over Contact – for Tripping and Alarm.
b Operating Temperature -5 to 55 °C.
b Reference Standard IEC 60255 / IEC 755
  1. IEC-755 Clause 8.3 Verification of operating characteristics
  2. Insulation test IEC-60255 , insulation resistance test as per IEC 60255 – CL- 5 & 7
Dielectric test as per IEC-60255-CL-5&6
     Impulse voltage test as per IEC-60255-CL-5&8

b Supply Voltage 230V 50 Hz Measuring accuracy with closed transformer +/- 5%
b Power consumption 70 VA with split transformer +/- 10%
b Measuring range   Alarm settings 30 mA to 9999mA
b Local measuring point 10mA to 11A Time delay setting to 99 sec.
b Remote measuring point 30mA to 11A Alarm relay  
b Measuring length   one relay for 16 channels 2 pcs change
over contacts max 30 VAC 1.25A
b Local channel max 300 ft   
b Remote channel max 3000 ft    

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