BENDER IRDH575B1-435 Insulation Monitoring Device (A-ISOMETER IRDH575)

BENDER IRDH575B1-435 Insulation Monitoring Device (A-ISOMETER IRDH575)

The BENDER IRDH575B1-435 is a sophisticated insulation monitoring device (IMD) designed to continuously monitor the insulation resistance of electrical systems. This device, part of the A-ISOMETER IRDH575 series, is primarily used in applications where safety and the prevention of electrical faults are critical, such as in medical facilities, industrial plants, and high-voltage systems. The IRDH575 is an essential tool for detecting insulation degradation and ensuring compliance with safety standards for electrical installations.

With its high accuracy and reliability, the IRDH575B1-435 offers continuous surveillance of insulation resistance, providing early detection of insulation faults before they result in serious problems. This helps to maintain system integrity, prevent downtime, and minimize the risk of electrical hazards.

Key Features:

• Continuous Monitoring: Provides real-time insulation resistance measurement of the system, ensuring that any degradation is detected immediately.
• Wide Application Range: Suitable for both AC and DC systems, making it versatile for use in various sectors such as industrial, healthcare, and infrastructure.
• Early Fault Detection: Identifies the first signs of insulation failure or leakage currents, enabling early intervention to prevent system shutdowns or equipment damage.
• Compliance with Safety Standards: Meets global electrical safety standards, ensuring that the system complies with regulations such as IEC 61557-8 and UL 61010.
• User-Friendly Interface: Features a clear display for monitoring insulation resistance levels, alarms, and system status, making it easy for operators to understand.
• Alarm & Signal Outputs: Visual and audible alarms for fault conditions, and configurable relay outputs to trigger corrective actions.
• Advanced Diagnostics: Provides detailed diagnostics to help pinpoint the location and severity of insulation faults.
• Flexible Mounting: Can be installed in control panels or remote monitoring setups, offering flexibility in integration.

Technical Specifications:

• Part Number: IRDH575B1-435
• Type: A-ISOMETER IRDH575
• Insulation Resistance Measurement: 0.1 MΩ to 2000 MΩ
• Voltage Range: 50 V to 1000 V (AC or DC)
• Display Type: LCD with backlight
• Relay Outputs: 2 programmable outputs for alarm conditions (relay contacts)
• Alarm Type: Audible and visual
• Operating Temperature: -20°C to +60°C (-4°F to +140°F)
• Power Supply: 24V DC
• Power Consumption: < 10 W
• Accuracy: ±5% of the measured value
• Dimensions: 96 mm x 48 mm x 75 mm
• Weight: 0.4 kg
• Communication: Optional Modbus RTU for remote monitoring and integration into SCADA systems
• Certifications: CE, UL, and RoHS compliant

Protection Functions:

• Insulation Resistance Monitoring: Constantly measures insulation resistance, ensuring that any degradation is immediately detected.
• Leakage Current Detection: Detects and reports any leakage currents, providing an early warning before more serious insulation failure occurs.
• Overvoltage/Undervoltage Protection: Ensures the system operates within the required voltage range to avoid damage to sensitive equipment.
• Automatic Disconnection: In case of insulation failure, the device can trigger automatic disconnection of the system to prevent electrical hazards.
• Advanced Fault Detection: Provides specific fault location identification, making it easier to locate and address insulation problems.

Installation and Maintenance Instructions:

• Installation:
  • Mount the IRDH575 in a control panel or electrical enclosure, ensuring proper ventilation to avoid overheating.
  • Connect the device’s input terminals to the electrical system’s insulation points that need to be monitored.
  • For AC/DC systems, ensure the correct voltage input is used for accurate measurements.
  • If integrating with a larger system, configure the Modbus RTU communication option for remote monitoring via SCADA or other management systems.
  • Ensure all wiring connections are secure, and check that grounding is properly configured for safety.
• Maintenance:
  • Regularly inspect the IRDH575 for any signs of physical damage or wear, especially in environments with high humidity or extreme temperatures.
  • Perform periodic calibration checks to ensure that the insulation resistance readings are accurate. Calibration should be carried out according to the manufacturer’s guidelines.
  • Test the alarm system at regular intervals to ensure that it is functioning properly and triggering alerts when necessary.
  • Keep the device clean and free from dust to ensure proper airflow and cooling.
  • Check relay outputs regularly to verify that they are correctly activating during fault conditions.
• Troubleshooting:
  • If the device fails to display insulation resistance values or shows inconsistent readings, ensure that all connections are secure and check for faults in the power supply.
  • If alarms are not triggered during fault conditions, verify the alarm thresholds are correctly set and check that relay outputs are functioning as expected.
  • Consult the diagnostic information provided by the device to pinpoint the source of issues and refer to the troubleshooting section of the manual.

Product Recommendations:

For additional insulation monitoring devices or related products for electrical safety, consider the following options:

Advantages of the BENDER IRDH575B1-435:

• Highly Reliable: Offers continuous, real-time monitoring of insulation resistance, helping to detect faults before they become critical.
• Versatile: Suitable for a wide range of applications, including both AC and DC electrical systems, in industries such as manufacturing, energy, and healthcare.
• Easy Integration: With Modbus RTU communication, it can be easily integrated into remote monitoring and control systems for enhanced operational efficiency.
• Enhanced Safety: Provides early warning of insulation degradation, helping to prevent electrical hazards and equipment damage.
• Compact Design: Its compact size allows for installation in space-constrained environments, making it ideal for retrofit installations or compact control panels.

Conclusion:

The BENDER IRDH575B1-435 Insulation Monitoring Device (A-ISOMETER IRDH575) is a vital tool for maintaining electrical safety and preventing insulation faults in AC and DC systems. With its real-time monitoring, advanced diagnostics, and user-friendly interface, it helps ensure the long-term reliability and safety of electrical installations. Whether used in industrial plants, healthcare facilities, or infrastructure systems, the IRDH575B1-435 provides peace of mind by continuously monitoring insulation resistance and offering early fault detection.