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Insulation monitor for IT distribution system
AUX 230 Vac
OUTPUT 1 relay with SPDT contact
THRESHOLDS 20…200 kohm
FORMAT 4 DIN modules
INPUT 24...400 Vac
TYPE Insulation monitor for IT distribution system
Datasheet

Insulation monitor for direct current network
AUX 230 Vac
OUTPUT 1 relay with SPDT contact
THRESHOLDS 20…200 kohm
FORMAT 4 DIN modules
INPUT 100...160 Vdc
TYPE Insulation monitor for direct current network
Datasheet

Insulation monitoring for use in medical environment line 230 V
AUX 230 Vac
OUTPUT 1 relay with SPST-NO contact (insulation alarm) + 1 relay with SPST-NO contact (temperature or maximum demand alarm)
THRESHOLDS 50…500 kohm
FORMAT 4 DIN modules
INPUT 230 V
TYPE Insulation monitoring for use in medical environment line 230 V
Datasheet

INPUT
  • Connection: insulation transformer Iso TV (NT699)
  • Network voltage: 230V
  • Rated frequency: 50Hz
  • Working frequency: 47...63Hz
  • Insulation measuring circuit current: ≤ 100µA
  • External VT temperature: Pt100 2-wire resistance bulb
  • Current: connection by CT/5A
  • Rated burden input current: ≤ 0,5VA
  • Input impedance: > 100kΩ
  • Measuring voltage: < 15V
  DISPLAY
  • Display type: LCD
  • Digit height: 5mm (2 lines x 8 digit)
  • Measurement display2
  • : subdivided on 7 pages
  • resistance or impedance towards ground + insulation TV temperature
  • resistance towards ground1+ capacity towards ground1
  • voltage + frequency
  • current
  • active power + apparent power
  • apparent power demand + apparent power max. demand
  • phase with lowest impedance towards ground + presence of remote repeaters
  • 1 present just if you select the impedance towards ground display
  • 2 measurements referred to the secondary winding of the external insulation VT
  ALARMS DISPLAYS
  • Insulation pre-alarm: blinking yellow LED
  • Insulation alarm: On yellow LED
  • Temperature and / or power pre-alarm: blinking yellow LED
  • Temperature and / or power alarm: On yellow LED
  ANOMALIES DISPLAYS
  • no measuring voltage
  • connection breakdown to the equipotential junction
 
Datasheet

  • Used in connection with Iso D4-Z (NT688)
  • insulation monitor for a continuous control ofthe insulation towards ground
  • Primary voltage 230V
  • Secondary voltage 230V
  • Rated output 1,5 – 3 – 5 – 7,5 – 10kVA
  • According to EN/IEC 61558-2-15: “Particular requirements for isolatingtransformers for the supply of medical locations” Sensor to detect the temperature (Pt100 resistance bulb)
Datasheet

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