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Isolation Monitoring Device IMD100

INOTEL ELECTRIC

Isolation Monitoring Device IMD100

Isolation Monitoring Device IMD100 is used to ensure safe energy transmission in connections between solar power plants and electrical grids, as well as in IT networks such as those found in hospitals. It continuously monitors the insulation resistance and, in the event of a potential fault, sends a signal to open or close the circuit breaker via its integrated relays, thereby protecting the network and ensuring safe operating conditions.

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🛡️ Isolation Monitoring Device IMD100

IMD100 is an advanced isolation monitoring device that continuously monitors electrical insulation levels to ensure the safety of both people and equipment. It is specifically designed for uninterrupted safety in critical applications such as solar power plants, hospitals, hydroelectric plants, and industrial facilities.

🔍 Main Purpose of the Device

IMD100 continuously monitors the electrical insulation resistance and, in the event of a potential leakage or fault, sends open or close commands to the connected breaker systems via its integrated relay outputs. In this way, the network remains isolated, and the system is automatically protected against electrical hazards.
⚙️ Specification Value
Supply Voltage 24–380V AC/DC
Power Consumption 240 mW
Operating Temperature -25°C … +70°C
Storage Temperature -30°C … +70°C
Protection Class IP30 / IK-07
Nominal Voltage Range AC 0–1 kV (0.1–460 Hz) / DC 0–1.3 kV
Insulation Resistance Measurement Range 1kΩ – 10MΩ
Measurement Uncertainty ±10% (min. ±1 kΩ)
Display 2.8” TFT-LCD Touch Panel
Communication RS-485 / MODBUS RTU supported
Dimensions 86 x 105 x 57 mm
Weight 270 g
Technical Document Features

Connection & I/O Features
Power Input: 1
RS485 Connection: 1 (Galvanically Isolated, 2.5kV)
Analog Measurement: 3 Phase + Neutral + Ground
Relay Output: 2 (10A @ 230V AC)
Digital Input: 4 (24 VDC, Optically Isolated)

Functions
Two-Level Alarm: Adjustable as Warning and Trip
LED Indicators: Power, Communication, Fault, Status
Real-Time Monitoring: Digital bar display showing insulation resistance trend
Touch Interface: User-friendly 2.8” TFT-LCD panel

Areas of Use
Solar Power Plants
Industrial Automation Systems
Hydroelectric Power Plants
Wind Power Plants
IT Networks and Hospital Power Systems

Why IMD100?
Detects insulation faults at an early stage
Protects the grid or system components
Provides safe intervention with automatic relay output
Wide supply voltage range and flexible usage
Supports remote monitoring via MODBUS RTU communication