CURRENT PROTECTION

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PROTECTION & MEASUREMENT DEVICES

Innovative Feeder Protection Relay with Disturbance Recording : CSENEX-I 450

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Range :

  • Rated Data: Rated current lp :1A or 5A , Rated frequency: 50 Hz/60 Hz
  • Drop out to Pickup Ratio: >96 %
  • Power consumption in current circuit: At |p=1A 0.1 VA, At |p=5A 0.2 VA

Features :

  • 1A & 5A rated CT input (programmable)
  • Draw out with self CT shorting
  • DI/DO programmable matrix
  • Protection blocking through DI
  • Three phase time over-current protection

Innovative Feeder Protection Relay with Disturbance Recording : CSENEX-I 350

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Range :

  • Rated Data: Rated current lp :1A or 5A , Rated frequency: 50 Hz/60 Hz
  • Drop out to Pickup Ratio: >96 %
  • Power consumption in current circuit: At |p=1A 0.1 VA, At |p=5A 0.2 VA

Features :

  • 1A & 5A rated CT input (programmable)
  • Draw out with self CT shorting
  • DI/DO programmable matrix
  • Protection blocking through DI
  • Three phase time over-current protection

Numerical Non-Directional Current Protection Relay with Disturbance Recording : CSENEX-I 300

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Range :

  • Rated Data: Rated current lp :1A or 5A , Rated frequency: 50 Hz/60 Hz
  • Drop out to Pickup Ratio: >96 %
  • Power consumption in current circuit: At |p=1A 0.2 VA, At |p=5A 0.4 VA

Features :

  • 1A & 5A rated CT input (programmable)
  • Draw out with self CT shorting
  • DI/DO programmable matrix
  • Protection blocking through DI
  • Three phase time over-current protection

Numerical Non-Directional Current Protection Relay with Autorecloser : CSENEX-I 201/202/203

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Range :

  • Rated Data: Rated current lp :1A or 5A , Rated frequency: 50 Hz/60 Hz
  • Drop out to Pickup Ratio: >96 %
  • Power consumption in current circuit: At |p=1A 0.2 VA, At |p=5A 0.4 VA

Features :

  • 1A & 5A rated CT input (programmable)
  • Draw out with self CT shorting
  • DI/DO programmable matrix
  • Protection blocking through DI
  • Three phase time over-current protection

Innovative Feeder Protection Relay : CSNEX-I 150

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Range :

  • Rated Data: Rated current lp :1A or 5A , Rated frequency: 50 Hz
  • Drop out to Pickup Ratio: >96 %
  • Power consumption in current circuit: At |p=1A 0.1 VA, At |p=5A 0.2 VA

Features :

  • 1A & 5A rated CT input (programmable)
  • Draw out with self CT shorting
  • DI/DO programmable matrix
  • Protection blocking through DI
  • Three phase time over-current protection

Numerical Non-Directional Current Protection Relay : CSENEX-I 100/101

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Range :

  • Rated Data: Rated current lp :1A or 5A , Rated frequency: 50 Hz/60Hz
  • Drop out to Pickup Ratio: >96 %
  • Power consumption in current circuit: At |p=1A 0.2 VA, At |p=5A 0.4 VA

Features :

  • 1A & 5A rated CT input (site selectable)
  • Three phase time over-current protection
  • Draw out with self CT shorting (Depend upon the Model)
  • Three phase instantaneous protection.
  • Earth time over-current and earth instantaneous over current

Numerical Non-Directional Current Protection relay (Non-Draw out with RS485) : IRI PRO-V4

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Range :

  • Rated Data: Rated current lp: 1A or 5A , Rated frequency Fn : 50 Hz
  • Drop out to Pickup Ratio: >96%
  • Protection-Front Panel: lP-54

Features :

  • Three Phase Time Over-current Protection
  • Three Phase Instantaneous Protection
  • 1A & 5A rated CT input (programmable)
  • Earth Time Over-current And Earth Instantaneous Over Current
  • Circuit Breaker Failure Protection

Numerical Non-Directional earth fault Relay (Non-Draw out) : IRI PRO-V3

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Range :

  • Rated Data: Rated current lp: 1A or 5A , Rated frequency Fn : 50 Hz
  • Drop out to Pickup Ratio: >96%
  • Protection-Front Panel: lP-54

Features :

  • Three Phase Time Over-current Protection
  • Three Phase Instantaneous Protection
  • Earth Time Over-current and Earth Instantaneous Over Current
  • Circuit Breaker Failure Detection
  • Fault Recorder

Sensitive Earth fault Relay : IRI1-ES

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Range :

  • Nominal current IN: 1A/5A
  • Nominal frequency: 50/60 Hz
  • Power consumption: <1 VA/atlN = 1A

Features :

  • Static protective device
  • Earth fault detection with core balance C.T. or in Holmgreen circuit
  • Low pass filter for suppression of harmonics
  • Wide range of operation of the supply voltage (AC/DC)

Restricted Earth fault Relay : IRI1-ER

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Range :

  • Nominal current IN: 1A/5A
  • Nominal frequency: 50/60 Hz
  • Power consumption: <1 VA/atlN = 1A

Features :

  • Static protective device
  • Single-phase current measuring (lRll-ER) as zero-current differential protection (restricted earth fault 64 REF)
  • Three-phase current measuring (lRl’l-3ER) as phase-current differential protection
  • High stability by serial stabilizing resistor Rsr per phase
  • High sensitivity by low input burden of C.T