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BENDER IRDH375
BENDER IRDH375
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Rexroth HMS011N-W0070-A-07-NNNN
Rexroth HMS011N-W0070-A-07-NNNN

BENDER IRDH375B-435

Product Name: Insulation Monitoring Device

Product Description: BENDER IRDH375B-435 is a variant model of IRDH375 insulation monitor for unearthed IT power networks. It monitors insulation resistance between active conductors and earth, provides visual and relay alarm when insulation degradation occurs, with factory preset configuration for specific application requirements.

Category:
Description

Technical Specifications:

  • System Type: AC, DC and mixed AC/DC IT systems
  • Rated System Voltage: Up to 793 V AC / DC
  • Measuring Principle: Pulse measuring method
  • Measurement Range: 0 Ω to 10 MΩ
  • Relay Outputs: Warning and fault relay contacts
  • Communication: Modbus RTU
  • Power Supply: 24 VDC
  • Operating Temperature: -20 °C to +60 °C
  • Model Specific: Factory pre-set parameter variant IRDH375B-435

Functional Features:

  • Continuous insulation resistance monitoring for IT power systems
  • Adjustable alarm thresholds
  • Built-in self-test function
  • Fault event memory and trend recording
  • Modbus RTU communication for SCADA connection
  • High tolerance for system stray capacitance
  • LCD display for real-time insulation resistance value

Application Scenarios:

  • Hospital medical isolated power supply systems
  • Marine vessel IT power distribution
  • Mining equipment power monitoring
  • Battery energy storage IT systems
  • Industrial isolated DC power networks

Performance Parameters:

  • Insulation resistance measurement accuracy
  • Adjustable response delay to suppress false alarms
  • Event logging with timestamp

Structure Characteristics:

  • DIN rail mount plastic housing
  • Front panel LCD display, operation buttons and status LEDs
  • Screw terminals for power, measurement and communication wiring

Installation Requirements:

  • Mount on standard DIN rail inside electrical cabinet
  • Follow BENDER official wiring schematic
  • Separate measurement cables from high power cables
  • Confirm factory preset parameters match project requirements

Notes:

  • Only suitable for unearthed IT power systems
  • Complete insulation test after installation
  • Regular functional testing is required by electrical safety regulations
  • Modbus address and baud rate configurable via front panel
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MAECENAS IACULIS

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ADIPISCING CONVALLIS BULUM

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