DatasheetIso D4-Zs
Insulation monitor for hospital use, 4 DIN modules
| Type | Insulation monitor for medical locations and hospital use |
|---|---|
| Format | 4 DIN modules according to DIN 43880 |
| Application | Continuous monitoring of insulation towards earth in medical IT systems |
| Reference standards | EN / IEC 61557-8, Attachment A and B; field of application IEC 60364-7-710 |
| Connection | Insulation transformer Iso TV, NT699 |
| Network voltage | 230 V |
| Rated frequency | 50 Hz |
| Working frequency | 47…63 Hz |
| Insulation measuring circuit current | ≤ 100 µA |
| Temperature sensor | Pt100, 2-wire resistance bulb |
| Current input | Via CT / 5 A current transformer |
| Rated burden current input | ≤ 0.5 VA |
| Input impedance | > 100 kΩ |
| Measuring voltage | < 15 V |
| Display | LCD, 2 lines × 8 digits, digit height 5 mm |
| Measurement display | 7 display pages for insulation values, transformer temperature, voltage, frequency, current, active and apparent power |
| Programmable parameters | CT ratio, transformer power, measurement quantity, alarm and pre-alarm values, hysteresis, delay and RS485 parameters |
| Selectable transformer power | 1.5 / 2.5 / 3 / 4 / 5 / 6.3 / 7.5 / 8 / 10 kVA |
| Insulation alarm | 50…500 kΩ |
| Insulation pre-alarm | Alarm…500 kΩ |
| Temperature alarm | 60…150 °C |
| Power alarm | 50…100 % Pn |
| Alarm hysteresis | 0…99 % |
| Alarm delay | 0…99 s |
| RS485 communication | RS485, 3-wire, serial asynchronous, JBUS / MODBUS compatible |
| RS485 address | 1…255 |
| Baud rate | 1,200 / 2,400 / 4,800 / 9,600 / 19,200 bit/s |
| Max. bus length | 1200 m |
| Max. devices on the bus | 32, up to 255 with RS485 repeater |
| Outputs | Insulation alarm, temperature / power alarm and output for Iso QZ remote repeater panel |
| Contact rating alarm outputs | 230 VAC / 50 mA |
| Auxiliary supply | 230 V |
| Auxiliary supply tolerance | 0.9…1.1 Uaux |
| Power consumption | ≤ 6 VA / ≤ 4 W |
| Installation category | III |
| Pollution degree | 2 |
| Insulation reference voltage | 300 V |
| EMC | According to EN / IEC 61326-2-4 |
| Operating temperature | -5…55 °C |
| Storage temperature | -25…70 °C |
| Climatic suitability | Suitable for tropical climates |
| Mounting | Snap-on mounting on 35 mm DIN rail |
| Rail type | TH35-15 according to EN / IEC 60715 |
| Connection | Screw terminals for cable up to 4 mm² |
| Housing material | Self-extinguishing Makrolon |
| Protection degree | IP54 front frame, IP20 terminals |
| Weight | 285 g |
