The ISOMETER® iso-F1 IR155-3203/-3204 monitors the insulation resistance between the insulated and active HV-conductors of an electrical drive system (Un = DC 0 V…1000 V) and the reference earth (chassis ground > Kl.31). The patented measurement technology is used to monitor the condition of the insulation on the DC side as well as on the AC motor side of the electrical drive system. Existing insulations faults will be signalised reliably even under high system interferences which can be caused by motor control processes, accelerating, energy recovering etc.

 

  • Insulation monitoring device (IMD) for unearthed DC drive systems (IT systems) in electric vehicles
  • Continuous measurement of the insulation resistance 0…10 MΩ, factory-set preconfigured response values
  • AC and DC IT systems up to 0…1000 V
  • Short-circuit protected driver outputs for fault detection and PWM coded Iso measuring value
  • Power supply suitable for 12 V and 24 V systems
Type   Art.No 
IR155-3203 Fixed default parameters
Ran: 100 kΩ
Under voltage detection: 300 V
Fave: 10
Measurement output low side
B91068138V4
IR155-3203 Parameters can be customised
Ran: 100 kΩ…1 MΩ
Under voltage detection: 0 V…500 V
Fave: 1…10
Measurement output low side
B91068138CV4
IR155-3204 Fixed default parameters
Ran: 100 kΩ
Under voltage detection: 0 V (inactive)
Fave: 10
Measurement output high side
B91068139V4
IR155-3204 Parameters can be customised
Ran: 100 kΩ…1 MΩ
Under voltage detection: 0 V…500 V
Fave: 1…10
Measurement output high side
B91068139CV4

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