Vigilohm
Schneider Electric catalog image for this SKU; may represent the product family.
INSULATION MONITORING DEVICE
VIGILOHM IM20 110-415VCA
SKU IMD-IM20Schneider Electric IMD-IM20 is a insulation monitoring device in the Vigilohm range. Key specifications include ip protection: Front face: IP52; product range: Vigilohm; product type: Insulation monitoring device.
Front face: IP52IP protection
VigilohmProduct range
Insulation monitoring deviceProduct type
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 18, 2026.
| Product reference | IMD-IM20 |
|---|---|
| Range | Vigilohm |
| Device short name | IM20 |
| Product or component type | Insulation monitoring device |
| Type of IMD | AC/DC IMD |
| Earthing system | IT HRG |
| Application | Marine and offshore IT island Industry Infrastructure Power generation Port, airport, railway |
| Network size | Medium |
| Electrical circuit type | Power circuit Control circuit |
| Network capacitance | Lightly capacitive |
| Type of network | 1P + N 3P 3P + N |
| Network rated voltage | 0…600 V - AC at 45...440 Hz (device connected to neutral) 0…480 V - AC at 45...440 Hz (device connected to phase) 0…345 V - DC |
| Alarm threshold setting | Pre-alarm: 1 kOhm...1 MOhm Alarm: 0.5...500 kOhm |
| Type of measurement | Network insulation resistance, range: 0.1 kOhm...10 MOhm, accuracy: +/- 5 % Earth leakage capacitance, range: 0.1...60 µF, accuracy: +/- 5 % History of alarms |
| Configurable filtering time | 4 s 40 s 160 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 |
| Time delay range | 0...5 min for signalling circuit 0...120 min for alarm |
| Power quality analysis | Transient capture |
| Input type | Contact for injection inhibition Dry contact |
| Self-test | Manual Auto test at start and every 5h |
| Overvoltage category | III |
| IP degree of protection | Front face: IP52 Rear: IP20 |
| Material | Thermoplastic |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.