| Manufacturer part number (MPN) | IMD-IM20-H |
| EAN / GTIN | 3606480321702 |
| Sales unit | pcs |
| Package quantity | 8 pcs |
| Voltage | 110/415 V AC |
| Range | Vigilohm |
| Device short name | IM20-H |
| Product or component type | Insulation monitoring device |
| Type of IMD | AC IMD |
| Earthing system | IT |
| Application | Group II medical premise; Healthcare |
| Electrical circuit type | Control circuit |
| Network capacitance | Lightly capacitive |
| Type of network | 1P + N |
| Network rated voltage | 0…230 V - AC at 50/60 Hz (device connected to neutral) ; 0…230 V - DC |
| Alarm threshold setting | Alarm: 50...500 kOhm |
| Type of measurement | Network insulation resistance, range: 1 kOhm...10 MOhm, accuracy: +/- 5 %; History of alarms |
| Configurable filtering time | 1 s |
| Response time | 0.8 s 1/5th of set filtering time; 8 s 1/5th of set filtering time; 32 s 1/5th of set filtering time |
| Alarm function | IT transformer overheat; IT transformer overload |
| Self-test | Manual; Auto test |
| Relative impedance | 141 kOhm at 2.5 Hz |
| IP degree of protection | Front face: IP52; Rear: IP20 |
| Material | Thermoplastic |
| Type of installation | Indoor |
| Operating altitude | <= 3000 m |
| Relative humidity | 0…92 % |
| Ambient air temperature for operation | -25…55 °C |
| Ambient air temperature for storage | -40…70 °C |
| Pollution degree | 2 |
| Mounting mode | Clip-on (DIN rail); Flush-mounted (panel) |
| Connections - terminals | Removable screw terminal block 0.2…2.5 mm² |
| Product weight | 0.25 kg |
| Cut-out dimensions | 92.4 x 92.4 mm |
| Height | 110 mm |
| Width | 96 mm |
| Depth | 59 mm |
| Display type | LCD display |
| Information displayed | Resistance value; IT transformer alarms; Evolution of resistance in graph |
| User language | Russian; Spanish; French; Chinese; German; Portuguese; English; Italian |
| Local signalling | Green indicator light: satisfactory insulation resistance; Orange audible and visible alarms: below fault threshold |
| Signal contacts composition | 2 C/O standard or fail-safe |
| Signalling circuit voltage | 12...48 V - DC at 50 mA |
| Communication port protocol | Modbus RS485 |
| Communication of data | HMI: test reports; Dry contact: test reports |
| Fault event log | Alarm logs |
| Product compatibility | Automatic fault locator |
| [Us] rated supply voltage | 110...230 V AC 50/60 Hz tolerance: +/- 15 %; 125...250 V DC tolerance: +/- 15 % |
| Power consumption in VA | 12 VA |
| Overcurrent protection | 1 A |
| Standards | IEC 61010-1; IEC 61557-8; IEC 60364-7-710; IEC 61326-2-4; UL 61010-1 |
| Product certifications | DNV; EAC; BV; CE; EU-RO MR TA |
| Environmental characteristic | Exposure to damp heat not in service conforming to IEC 60068-2-30; Exposure to damp heat in service conforming to IEC 60068-2-56; Salt mist conforming to IEC 60068-2-52; Long-term storage class 1K22 conforming to IEC 60721-3-1; Transport class 2K11 conforming to IEC 60721-3-2; Stationary use at weather protected locations class 3K24 conforming to IEC 60721-3-3 |
| Mechanical robustness | Long-term storage class 1M11 conforming to IEC 60721-3-1; Transport class 2M4 conforming to IEC 60721-3-2; Stationary use class 3M11 conforming to IEC 60721-3-3 |
| Number of Units in Package 1 | 1 |
| Number of Units in Package 2 | 8 |
| Country of origin | IN |
| Warranty (in months) | 18 |
| Operating voltage AC 50 Hz | 0–230 V |
| Operating voltage AC 60 Hz | 0–230 V |
| External power supply required | No |
| Supply voltage AC 50 Hz | 110–230 V |
| Supply voltage AC 60 Hz | 110–230 V |
| Supply voltage DC | 125–250 V |
| Rated operating frequency | 50–60 Hz |
| Voltage measuring range | 0–230 V |
| Voltage type (operating voltage) | AC/DC |
| Type of electric connection | Screw connection |
| Rated control supply voltage AC 50 Hz | 110–230 V |
| Rated control supply voltage AC 60 Hz | 110–230 V |
| Rated control supply voltage DC | 125–250 V |
| Voltage type for actuating | AC |
| With detachable clamps | No |
| Function | For mixed system |
| Rated voltage | 0–230 V |
| Rated frequency | 50–60 Hz |
| Response value impedance 1 | 110 kOhm |
| Response value impedance 2 | 50–500 kOhm |
| Indication of insulation value | Yes |
| Error registration possible | Yes |
| Number of contacts as change-over contact | 1 |