BENDER ISOEV425-D4-4 Insulation monitoring device

BENDER ISOEV425-D4-4 Overview

The BENDER ISOEV425-D4-4 is an Insulation Monitoring Device (IMD) specifically designed for monitoring the insulation resistance of unearthed (IT systems) AC and DC charging stations for electric vehicles. It complies with relevant standards to ensure electrical safety during the charging process.

Product Detailed Description

• Function:

• Monitors the insulation resistance of unearthed electrical systems in AC and DC charging stations.

• Issues an alarm signal when the insulation resistance falls below a preset threshold.

• Complies with the requirements of IEC 61851-23 and IEC 62752 standards.

• Automatically adapts to system leakage capacitances.

• Features a self-test function to ensure proper device operation.

• Provides a digital communication interface for remote monitoring and diagnostics.

• Features:

• Compact design for easy integration into charging stations.

• Suitable for AC and DC systems.

• Wide voltage monitoring range.

• Adjustable alarm thresholds.

• Fault memory function.

• High immunity to interference.

Product Parameters

• Nominal Voltage (Un):

• AC 0 ... 420 V

• DC 0 ... 600 V

• Insulation Resistance Measuring Range (Rn):

• 10 kΩ ... 10 MΩ

• Response Time (ta):

• Typically < 1 s

• Alarm Thresholds (Ra1, Ra2):

• Adjustable, e.g., 10 kΩ ... 1 MΩ

• System Leakage Capacitance (Ce):

• Max. 10 μF

• Supply Voltage (Us):

• DC 24 V (-20 % ... +20 %)

• Power Consumption:

• Typically < 3 W

• Outputs:

• 2 alarm relays (NO/NC contacts)

• Digital interface: RS-485

• Degree of Protection:

• IP20

• Ambient Temperature:

• -25 °C ... +70 °C

• Dimensions (W x H x D):

• 70 x 90 x 61 mm

• Mounting:

• DIN rail mounting

Product Advantages

• Increased Safety:

• Continuously monitors the insulation status, promptly detecting potential electrical faults and preventing electric shock hazards.

• Standard Compliance:

• Meets the requirements of relevant international standards for electric vehicle charging stations.

• High Reliability:

• Automatic adaptation to system leakage capacitances reduces false alarms.

• Self-test function ensures the accuracy of the monitoring.

• Easy Integration:

• Compact design and DIN rail mounting facilitate integration into charging stations.

• Remote Monitoring:

• RS-485 interface enables remote status monitoring and fault diagnostics.

• Flexible Configuration:

• Adjustable alarm thresholds to suit different application requirements.

Precautions

• Correct Installation:

• Follow BENDER's installation guidelines to ensure proper wiring and mounting of the device.

• Power Requirements:

• Use a DC 24 V power supply that meets the specifications.

• Environmental Conditions:

• Ensure the operating environment temperature is within the permissible range and avoid humidity and corrosive gases.

• Parameter Setting:

• Set alarm thresholds and other parameters correctly according to the specific charging station system and safety requirements.

• Regular Testing:

• It is recommended to regularly test the functionality of the insulation monitoring device to ensure its proper operation.

• Compliance with Standards:

• Adhere to relevant electrical safety standards and regulations during use.

Product Applications

• Electric Vehicle (EV) Charging Stations:

• Monitoring the insulation resistance of AC charging points.

• Monitoring the insulation resistance of DC fast charging points.

• Other Unearthed IT Systems:

• Industrial and commercial applications requiring continuous monitoring of insulation resistance.

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Related products:

E-mail: alex@fenoux.com

Tel.: +86 13338369201

Skype: +86  13338369201

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