Schneider IMD IM9 insulation monitoring device

Schneider IMD IM9 Insulation and Earth Fault Mnitoring Relay

Schneider IMD IM9 insulation monitoring device monitors the insulation resistance of an IT network by injecting a DC signal between this network and the ground.

  • Measures the insulation resistance of the network
  • Detects an insulation fault according to the set alarm threshold
  • Closes or opens a contact relay in case of an alarm
  • Equipped with a manual auto-test
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Safeguard Your AC System with Schneider Electric VIGILOHM IM9>

The Schneider Electric VIGILOHM IM9 is your proactive partner in preventing electrical faults in small, clean AC systems.  This innovative insulation monitoring device (IMD) acts as an early warning system, constantly assessing your system’s health and preventing costly downtime.

Schneider IMD IM9 insulation monitor appearance

Feature of Schneider IMD IM9

  • Early Fault Detection: Continuously monitors insulation resistance, identifying potential problems before they escalate into costly breakdowns.
  • Reduced Downtime: Receive alerts for potential ground faults, allowing you to address issues proactively and minimize disruptions.
  • Enhanced Safety: Proactive fault detection minimizes the risk of electrical accidents and equipment damage.
  • Customizable Protection: Set pre-alarm and alarm thresholds to tailor the IMD to your specific needs.
  • Easy Installation: Compact and user-friendly design simplifies installation and integration into your existing system.
  • Injection of a DC measuring signal
  • Power supply: 110…415 VAC, or 125…250 VDC
  • 1 settable alarm and 1 settable pre-alarm threshold
  • 1 NO-NC alarm relay
  • Local and remote self-test

 

Specification of Schneider Electric VIGILOHM IM9

Specification Parameters
AC (max phase to phase voltage) 480 VAC, 600VAC
DC (max line voltage) Not compatible
Frequency Purely AC networks
Grounding arrangement IT / ungrounded/Earthing system
Power supply 118-415 VAC / 125-250 VDC
Insulation resistance Accuracy at 10 kΩ, 1 µF <15%
Fault signaling threshold Preventive alarm: 2; 5; 10; 20; 50: 100; 200; 500 kΩ
Alarm: 1; 2,5; 5; 10; 25; 50; 100; 250 kΩ
Test function Remote test
Local
Power consumption in VA 7 VA
Measurement current 0…70 µA
internal impedance 230 kOhm – AC at 45…440 Hz
Response time ≤ 2 s
output contact 1 C/O standard or fail-safe
Breaking capacity 250 V – AC at 6 A
12…24 V – DC at 6 A
IP degree of protection Case: IP20
Front face: IP40
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
Type of installation Indoor
Standards IEC 61557-8
IEC 60664-1
Product certifications EAC
CE
BV
RMRS
DNV
Ambient air temperature for operation -25…55 °C
ambient air temperature for storage -40…70 °C

Application of Schneider VIGILOHM IM9

  • Pure AC networks with no DC component.
  • Network of limited dimension (<5km of cable) with no disturbance loads.

Dimension of Schneider IMD IM9

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