Brand: BENDER
Model number: IRDH265-422
Colour:new
Warranty: 12 months
Lead Time:3-day working day
Country of origin: USA Price: Please contact us
Product weight:0.58kg
Shipping Port: China
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
Bender IRDH265-422 Insulation monitoring device
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Products Name: Bender IRDH265-422 Insulation monitoring device
PRODUCT DESCRIPTION
Bender IRDH265-422 Overview
The Bender IRDH265-422 is an insulation monitoring device (IMD) for monitoring the insulation resistance of unearthed AC and DC IT systems. It is designed for the early detection of insulation faults, thereby increasing the safety, reliability, and availability of electrical systems.
Product Detailed Description
Function:
Continuous monitoring of the insulation resistance of unearthed (IT) AC and DC systems.
Issues an alarm signal when the insulation resistance drops below the preset alarm thresholds.
Provides two separate alarm thresholds for early warning and fault indication.
Features a self-test function to ensure proper device operation.
Communication via Modbus RTU interface for easy integration into monitoring systems.
Equipped with configurable relay outputs for alarm indication and external control.
Features:
Suitable for AC, DC, and mixed IT systems.
Wide voltage range.
Adjustable alarm thresholds.
Two separate alarm relays.
Modbus RTU communication interface.
Self-test function.
Compact design for easy DIN rail mounting.
Product Parameters
Monitored Systems:
Unearthed AC systems (AC IT systems)
Unearthed DC systems (DC IT systems)
Unearthed AC/DC mixed systems (AC/DC IT systems)
Rated Voltage Un:
AC/DC 0 ... 793 V
Response Value Ra1 (Alarm 1):
1 kΩ ... 10 MΩ (adjustable)
Response Value Ra2 (Alarm 2):
1 kΩ ... 1 MΩ (adjustable)
Measuring Voltage Um:
DC max. 10 V
Measuring Current Im:
max. 1 mA
Supply Voltage Us:
AC/DC 24 ... 240 V
Power Consumption:
max. 3 VA
Output Relays:
2 changeover contacts
AC max. 250 V / 3 A / 750 VA
DC max. 30 V / 3 A / 90 W
Communication Interface:
Modbus RTU
Degree of Protection:
IP30 (housing)
IP20 (terminals)
Operating Temperature:
-25 °C ... +55 °C
Mounting:
DIN rail mounting
Dimensions (H x W x D):
90 x 36 x 67 mm
Standards:
IEC 61557-8
Product Advantages
Early Fault Detection:
Issues a warning before insulation faults lead to system downtime or safety issues.
Increased System Availability:
Reduces unexpected downtime through preventative maintenance.
Enhanced Safety:
Lowers the risk of electric shock and fire hazards.
Suitable for Various Systems:
Can be used in AC, DC, and mixed IT systems, offering a wide range of applications.
Flexible Alarm Settings:
Two adjustable alarm thresholds to meet different monitoring requirements.
Easy Integration:
Modbus RTU communication interface allows for easy integration into existing monitoring systems.
High Reliability:
Bender is a well-known brand in insulation monitoring, ensuring reliable product quality.
Precautions
Correct Selection:
Choose the appropriate model based on the system's voltage range and specific requirements.
Correct Installation:
Follow Bender's installation guidelines to ensure correct connections.
Parameter Settings:
Set the alarm thresholds and other parameters correctly according to the system requirements.
Regular Testing:
It is recommended to regularly test the insulation monitoring device to ensure proper operation.
Environmental Conditions:
Ensure the operating environment meets the product's temperature and humidity requirements.
Compliance with Standards:
Installation and use should comply with relevant electrical safety standards and regulations.
Product Applications
The Bender IRDH265-422 insulation monitoring device is widely used in various unearthed IT systems, including:
Industrial Control Systems:
Automated production lines
Robotic systems
Medical IT Systems:
Operating rooms
Intensive care units
Uninterruptible Power Supply (UPS) Systems:
Data centers
Communication equipment
Mobile Power Systems:
Ships
Railway vehicles
Photovoltaic Systems (DC side):
Special Power Supply Systems:
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
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