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Picture of VIGILOHM IM20 110 - 415 VAC
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IMD-IM20

VIGILOHM IM20 110 - 415 VAC

Old price: $1,570.80 INC GST
$1,335.18 INC GST
Available for Shipping : 16-Dec-2025
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VIGILOHM IM20 110 - 415 VAC
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Manufacturer: Schneider Electric
Delivery date: 16-Dec-2025
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Product Data Sheet
This device belongs to the Vigilohm range designed to monitor ungrounded/IT electrical networks, in accordance to installation and products standards. According to standards, it is recommanded to equip your systems with Insulation Monitoring Devices (IMD). This device is dedicated to monitoring AC, DC and ACDC systems of medium size, with limited disturbances. It mesures the system insulation resistance by injecting a low frequency AC current between the network and ground. Configuration will be set depending on the installation. Settings are available on the front of the device, through the HMI screen. Settings are alarm thresholds from 0,5 kilohms to 500 kilohms, and alarm delay from 0 to 7200 secondes. It monitors networks up to 600VAC when connected to neutral, 480V when connected to line, and 345VDC, with up to 70microfarad. The black and white screen can displays insulation resistance from 100 ohms to 10 megohms, capacitance and temporary faults. Auto-test starts automatically every 5 hours, and on demand. In case the system insulation resistance drops below the set threshold, meaning a ground fault occurred, an alarm is triggered thru the IMD output relay. Once no fault is monitored, the alarm is cleared, the alarm relay is back to normal. The device can be supplied by a 110VAC to 415VAC source or a 125VDC to 250VDC, all with a tolérence of plus or minus 15%. This product can be installed on DIN rail, or flush mounted, also include an inhibition input. Front face ingress protection is IP52, rear IP20 and overvolage category III. The monitoring device is equipped with a RS485 communication port, Modbus protocol.

Products specifications

Attribute name Attribute value
Main
Device short name IM20
Device application standard environment application, marine application
Range Vigilohm
Product name Vigilohm IM
Application medium or low disturbed network
Product or component type insulation monitoring device
Earthing system IT
User language Italian, Portuguese, Chinese, Russian, German, French, English, Spanish
Range of product Vigilohm
Complementary
Relative impedance 110 kOhm - AC at 0.1...440 Hz
Threshold setting fault: 0.5...500 kOhm, prevent: 1 kOhm...1 MOhm
Signal contacts composition 1 C/O standard or fail-safe
Depth 59 mm
Overvoltage category III
Display type digital display
Width 96 mm
Insulation shield no
Test function self test, manual
Data recording alarm logs
Compatibility code IM20
Response time <= 5 s
Local signalling orange flashing indicator light: transient fault, orange indicator light: below fault threshold, white indicator light: below prevention threshold, green indicator light: satisfactory insulation resistance
Mounting mode flush-mounted, clip-on
Communication port protocol Modbus
[Us] rated supply voltage 125...250 V DC +/- 15 %, 110...415 V AC 45...440 Hz +/- 15 %
Power consumption in VA 12 VA
Communication port support RS485
Time delay range 0...5 min for signalling circuit
Measurement current 0-0.4 mA
Net weight 0.25 kg
Material thermoplastic
Connections - terminals removable screw terminal block0.2-2.5 mm²
Signalling circuit voltage 12...24 V - DC at 6 A, 250 V - AC at 6 A
Network rated voltage 0-345 V - DC, 0-480 V - AC at 45...440 Hz (device connected to phase) , 0-600 V - AC at 45...440 Hz (device connected to neutral)
Type of measurement history of alarms, earth leakage capacitance - measurement range: 0.1...40 µF, network insulation resistance - measurement range: 0.1 kOhm...10 MOhm
Mounting support panel, DIN rail
Input function injection inhibition: 24 V DC 5 mA
Height 110 mm
Measurement voltage 75-75 V
Environment
Operating altitude <= 3000 m
IP degree of protection front face: IP52
Ambient air temperature for storage -40-70 °C
Standards IEC 61326-2-4, IEC 61557-8, IEC 61010-1, IEC 60364-4-41
Type of installation indoor
Environmental characteristic salt mist conforming to IEC 60068-2-52, exposure to damp heat in service conforming to IEC 60068-2-56, exposure to damp heat not in service conforming to IEC 60068-2-30
Dielectric strength 5500 V - DC, 4000 V - AC
Pollution degree 2
Ambient air temperature for operation -25-55 °C
Product certifications RMRS, EAC, CE, DNV, BV
Packing Units
Unit Type of Package 1 1
Number of Units in Package 1 1
Package 1 Height 10.5 cm
Package 1 Width 13.5 cm
Package 1 Length 16.5 cm
Package 1 Weight 443.0 g
Unit Type of Package 2 2
Number of Units in Package 2 8
Package 2 Height 30.0 cm
Package 2 Width 30.0 cm
Package 2 Length 40.0 cm
Package 2 Weight 4.17 kg

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