CSE NEX I



CSE NEX I 150

They can also be used as part of a protection scheme for feeders, transformers and generators.

Key Features

» 1A & 5A Rated CT Input (Site Selectable)
» Draw out with self CT Shorting
» DI/DO Programmable Matrix
» Protection Blocking through DI
» Fault Recorder
» Event Recorder
» Communication (USB & RS 485 on Modbus / IEC 103)
» Self supervision function.





  IMDT / DEFT 3 Over Current protection (51)

  Instantaneous Over Current High Set (50)

  IMDT / DEFT Earth Fault protection (51N)

  Instantaneous Over Current High Set (50N)

  Circuit Breaker Failure Protection (50BF)

  Harmonic Blocking (51H)

  Cold Load Pickup (62CLD)

  Trip Circuit Supervision (74TC)

Variant / Ordering Information:


Hardware


 Measures true RMS with DFT filter

 4 Current analog Inputs for phase & Earth Fault Current

 Max. 4 Digital Inputs

 Max. 6 Digital Outputs

 16x2 Alpha – Numeric LCD



 16 LEDs for Pickup & fault Annunciation

 CT Terminal with self Shorting

 Auxiliary Supply: 18V-60V DC / 85V-280V AC

 Cut Out Dimension : 160 (h) x 112 (W)

 Over all Dimension : 186 (H) x 136 (W) x 155 (D)

Standards


Test

Reference Standards

Functional Test

Climatic Test

  • Temperature Dry Cold ( Relay operational)
  • Temperature Dry Cold ( Transportation & Storage)
  • Temperature Dry Heat (Relay operational)
  • Temperature Dry Heat ( Transportation & Storage)
  • Damp Heat Test (Relay operational)

Enclosure

Mechanical Test

  • Vibration Response
  • Shock Response with Stand Test
  • Bump
  • Seismic

Electrical Test

  • Insulation Resistance / Dielectric Test / High voltage Impulse
  • Voltage Dips Short Interruptions & Voltage Variations immunity
  • Ripple in DC Supply
  • Contact Performance Endurance Tests

Electro-magnetic Compatibility

  • Electrical fast Transient/ Burst
  • HF Disturbance Test
  • Electrostatic Discharge
  • Conducted Disturbance RF Field
  • Radiated RF E-M field Immunity Test
  • Surge Immunity Capacitively Coupled
  • Power Frequency Magnetic Field
  • Conducted & Radiated RF Interference Emission
  • Power Frequency Conducted Common Mode         

IEC 60255-6/5

 

IEC60068-2-1
IEC60068-2-1
IEC60068-2-2
IEC60068-2-2
IEC60068-2-3

IEC529

 

IEC 60255-21-1
IEC 60255-21-1
IEC 60255-21-1
IEC 60255-21-3

 

IEC60255-5
IEC 1000-4-11
IEC60255-11
IEC60255-14,15 / IEC60255-23

 

IEC60255-22-4 / IEC 60100-4-4
IEC60255-22-1
IEC60255-22-2 / IEC 61000-4-2
IEC61000-4-6 / IEC60255-22-6
IEC60255-22-3 / IEC 61000-4-3
IEC60255-22-5 / IEC 61000-4-5
IEC61000-4-8
EN55011 / IEC60255-25
IEC 1000-4-16 / IEC 60225-22-7

  • CSENEX-I for Dis & 6 DOs