CSE NEX M 100



CSE NEX M 100

CSE NEX M is an Motor protection solution which has fast, sensitive and secure protection for LV motors of higher ratings, which are either operated via Power Contactors or Power Circuit Breakers.

Key Features

»  1A & 5A Programmable rated current.
»  Measurement & Metering
»  Drow out enclosure have modular design with CT shorting
»  10 Fault Records
»  50 Event Records
»  Motor start / Stop record
»  Programmable Input / Output
»  Maxi – Meter with time stamp
»  CSE NEX M relays are equipped with Self Supervision function


Protection Function:


  Current unbalance with DEFT & INV (46)

  Phase Over Current (51)

  Thermal Over load Protection (49)

  Locked Rotor (50LR)

  Short Circuit Protection (50)

  Under current (37)

 


  Stall (50S)

  Earth Fault (50N/51N)

  Anti – Backspining Protection (Start Interval)

  CBFP (50BF)

  Trip circuit Supervision (74TC)

  Phase loss

CSE NEX M 100


Hardware


  Digital Signal Processor based numeric design

 Measures true RMS with DFT filter.

 1A & 5A common current terminal & programmable.

 4 Current analogue input for phase & earth fault current

 4 Digital Outputs



 4 Digital Inputs for Protection & Supervision

 8 LEDs at pickup & trip on fault + 3 LED’s with special function of 3 control keys.

 USB/RS-485 communication for automation

 16x4 Alpha Numeric LCD

Standards


Test

Reference Standards

Design Standards

IEC 60255-22-(1-6) & 5

High Voltage Test

  • High Frequency Interferences Test
  • Dielectric Voltage Test
  • Impluse Voltage Test

 

  • IEC 60255-22-1 Class 3
  • IEC 60255-5 / EN 50178
  • IEC 60255-5

EMC Immunity Test

  • Fast Transient Disturbance Immunity Test
  • Surge Immunity Test
  • Electrical Discharge Immunity Test
  • Radiated Immunity Test
  • Conducted immunity Test
  • Power Frequency Magnetic Field immunity Test
  • EMC Emission Tests(Radio Interference Suppression Test
  • Radio Interference Radiation Test

 

  • IEC60255-22-4/61000-4-4 Class 4
  • IEC 61000-4-5 Class 4
  • IEC 60255-22-2 / IEC 61000-4-2
  • EN 61000-4-3 / IEC 60255-22-3
  • EN 61000-4-6 / IEC 60255-22-6
  • IEC 61000-4-8
  • IEC 60255-25/EN55011/CISPR11
  • IEC 60255-25/EN55011/CISPR11

Environmental Tests

  • Temperature
  • Test Bd: Dry Heat
  • Test Db: Damp Heat(Cyclic)

 

  • IEC 60068-2-1/2
  • IEC 60068-2-2
  • IEC 60068-2-30

Mechanical Tests

  • Vibration Response Test
  • Vibration Endurance Test
  • Shock Tests
  • Shock Endurance Test

 

  • IEC 60068-2-6/IEC 60255-21-1 Cl 1
  • IEC 60068-2-6/IEC 60255-21-1 Cl 1
  • 60068-2-27/ 60255-21-2 Class 1
  • 60068-2-29/ 60255-21-2 Class 1