Prok Devices Private Limited
Prok Devices Private Limited
Rajaji Nagar, Bengaluru, Karnataka
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Digital Earth Leakage Relay

Our product range includes a wide range of digital earth leakage relay, elr with cbct, earth leakage relay with zct, digital elr with cbct, earth leakage relay with core balance current transformer and earth leakage relay with zero sequence current transformer.
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Digital Earth Leakage Relay
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Digital Earth Leakage Relay

We are one of the leading manufacturers, suppliers, exporters and traders of a wide range of Digital Earth Leakage Relay. Our offered relays are microprocessor based versions that are available in various models and sensitivities. Demanded for detecting small leakage currents in the electrical systems, these relays are known for their features like user-friendly nature, low power consumption, minimal maintenance and optimum functionality. Also, these relays find their application in protecting hazardous sensitive environments and mining and control engineering equipment.

Features:

  • User friendly setting
  • Low power consumption
  • High functionality

Details:


  • Digital Microprocessor / Microcontroller based compact design
  • Continuous monitoring and display of set value and measured value of leakage current
  • 8 character 2 line LCD displays with back-lit
  • Test & Reset facility
  • CBCT / ZCT connection monitoring facility
  • True RMS measurement of leakage current
  • Trip Circuit Failure indication
  • Immune to harmonics and transients
  • Serial RS. 485 communication port with Modbus Protocol (optional)
  • Tropicalized and rugged design
  • Transducer Output (4 mA-20mA) (optional)
  • External Test, Reset, Fault & Healthy indication suitable for Mining application

Applications:

  • Frame leakage protection for LT control panels and switch boards
  • Earth Leakage protection for Feeders/Motors/Generators/Transformers/Mobile Operating Equipments
  • Protection for hazardous sensitive environments like Oil Refineries/Cement Plant/Chemical Plant/Steel Plant / Pulp Industries and General Electrical Distribution
  • Protection for Mining and Control Engineering

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ELR with CBCT
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ELR with CBCT

Prok dv's make Earth Leakage Relay (ELR) MPEL series uses the state-of-the-art, Digital
microprocessor/micro controller based protection device to detect low level leakage due
to degradation of insulation of phase conductors or high impedance faults.The main feature
of Digital microprocessor/microcontroller Earth Leakage Relay (ELR) continuous display of
earth leakage currents of the power system. The unit has immunity to external disturbance
like harmonics and transients.

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Earth Leakage Relay With Zct
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Earth Leakage Relay With Zct

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 coil of the MCCB/ACB/OCB/CONTACTOR in the event of earth leakage resulting in automatic isolation of the load. ELR have been widely used and accepted because of field adaptability and are economic.

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Digital Elr With Cbct
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Digital Elr With Cbct

Digital microprocessor /microcontroller based Earth Leakage Relays ( ELR) with Core Balance Current Transformer (CBCT / ZCT) employs to sense the leakage current the (CBCT / ZCT) is mounted externally and load current carrying cable are passed through the (CBCT / ZCT). Ideally in a leakage in a leakage free system the incoming and outgoing currents are equal and opposite in direction, which means that the vector sum of the three phase currents is zero In case of earth leakage either due to insulation degradation / chemical corrosion etc. the vector sum of currents is not zero and CBCT / ZCT generates voltage which is fed to the ELR. This signal is compared with the set value of leakage current and trip command is initiated if the leakage current is more than the set values of current and time.

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Earth Leakage Relay With Core Balance Current Transformer
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Earth Leakage Relay With Core Balance Current Transformer

The Earth Leakage Relay (ELR) has Back-Lit LCD Display 2 Line 8 Character for displaying the nature and magnitude of Fault. Earth Leakage Relay (ELR) can detect if the CBCT/ZCT connection status ie detecting the CBCT /ZCT Open to ensure the healthiness of the Relay. The ELR has Auto Re closure facility and also indicates the Trip Circuit Failure if the Circuit Breaker fails to operate. The Earth Leakage Relay (ELR) has wide band Auxiliary Input Universal Power Supply of 85 Volts to 275 Volts AC / DC.

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Earth Leakage Relay With Zero Sequence Current Transformer
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Earth Leakage Relay With Zero Sequence Current Transformer

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.Prok dv's make Earth Leakage Relay (ELR) MPEL series uses the state-of-the-art, Digital microprocessor/micro controller based protection device to detect low level leakage due to degradation of insulation of phase conductors or high impedance faults.

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ELR WITH ZCT
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ELR WITH ZCT

Prok dv's recommends and suggests to use Digital Microprocessor/ Microcontroller based
Earth Leakage Relay (ELR) with core Balance Current transformer (CBCT / ZCT) for typical
areas like UPS/ Inverter application, Mining, Cement, Petroleum & Oil Refineries, Steel, Paper
and Pulping industries for greater Sensitivity, Selectivity and Reliability. The measurement of
Leakage Current is TRUE RMS reading and the device has an external ADC having 24 bit for
greater degree of Accuracy.

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Digital Earth Leakage Relay With Cbct
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Digital Earth Leakage Relay With Cbct

Earth Leakage Current give rise to generation of heat and result in progressive failure of
insulation, which leads to earth faults sparking flashovers, deterioration of earthing and finally
results into catastrophic fires which destroys costly equipments, gadgets and precious lives.
It is therefore essential to detect earth leakage current well before they cross the threshold
limits and isolate the circuit in the event of leakages.

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Digital Earth Leakage Relay With Zct
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Digital Earth Leakage Relay With Zct

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 coil of the MCCB/ACB/OCB/CONTACTOR in the event of earth leakage resulting in automatic isolation of the load. ELR have been widely used and accepted because of field adaptability and are economic.

Yes! I am Interested
Request CallBack
Digital Earth Leakage Relay With Cbct
Ask For Price

Digital Earth Leakage Relay With Cbct

Earth Leakage Current give rise to generation of heat and result in progressive failure of insulation, which leads to earth faults sparking flashovers, deterioration of earthing and finally results into catastrophic fires which destroys costly equipments, gadgets and precious lives.It is therefore essential to detect earth leakage current well before they cross the threshold limits and isolate the circuit in the event of leakages.
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.

Yes! I am Interested
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