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IR425-D4-1 Bender

IR425-D4-1 Bender insulation monitor device
  • Item NO.:

    IR425-D4-1
  • Lead Time:

    1-2days
  • Product Orgin:

    USA
  • Shipping Port:

    Xiamen
  • Payment:

    T/T 、PayPal、Western Union
  • goods stock:

    3
  • Warranty :

    one year
  • Shipping Detail:

    Fedex and UPS
  • Product Details

IR425-D4-1 Bender insulation monitor device

Brand:BENDER Model number:IR425-D4-1
Colour:new Warranty: 12 months
Lead Time:3-day working day Country of origin: Germany
Price: Please contact us Product weight:1.0kg

Packaging & Delivery

Shipping Port: Xiamen, 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

Product Details

Product description
The ISOMETER®s of the IR425 series monitor the insulation resistance of unearthed AC/DC 
control circuits (IT systems) 0…300 V. DC components existing in AC/DC systems do not 
influence the operating characteristics. An external supply voltage allows de-energised 
systems to be monitored too.
Application
• AC/DC control circuits in the industrial sector, mechanical engineering, power plants, 
elevators, automation systems etc.
• AC/DC control and auxiliary circuits in accordance with DIN EN 60204-1 
“Electrical equipment of machines”, IEC 60204-1, EN 60204-1
• AC/DC auxiliary circuits in accor dance with DIN VDE 0100-725 (VDE 0100-725)
• Smaller AC/DC IT systems such as lighting systems
Function
The currently measured insulation resistance is indicated on the LC display. In this way 
any changes, for example when circuits are connected to the system, can be recognised 
easily. When the value falls below the preset response values, the response delay “ton” 
starts. Once the response delay “ton” has elapsed, the alarm relays “K1/K2” switch and the 
alarm LEDs “AL1/AL2” light up. Two separately adjustable response values/alarm relays 
allow a distinction to be made between prewarning and alarm. If the insulation resistance 
exceeds the release value (response value plus hysteresis), the alarm relays return to their 
initial position. Insulation faults are distinguished according to AC and DC faults (indication ±). 
In the event of insulation faults on the plus or minus conductor, the corresponding +/- symbol is 
activated on the display. If the fault memory is enabled, the alarm relays remain in the 
alarm state until the reset button is pressed or until the supply voltage is switched off. 
The device function can be tested using the test button. The parameterisation of the device 
can be carried out via the LC display or the function keys integrated in the front plate.
Connection monitoring
The connections to the system (L1/L2) and to earth (E/KE) are either automatically checked 
every 24 h, or by pressing the test button or when supply voltage has been connected. 
In case of interruption of a connecting lead, the alarm relay K2 switch, the LEDs ON/AL1/AL2 
flash and the following message appears on the display:
“E.02” signals a fault in the connecting leads to the system,
“E.01” signals a fault in the connecting leads to PE. 
After eliminating the fault, the alarm relays return to their initial position either automatically 
or by pressing the reset button.
Preset function
After connecting the device for the first time, the nominal system voltage is measured 
and the response values are set automatically.
Measurement method
The ISOMETER® IR425 uses the AMP measuring principle.
Standards
The ISOMETER® of the IR425 complies with the requirements of the device standards: 
DIN EN 61557-8 (VDE 0413-8), IEC 61557-8, ASTM F 1669M-96 (2007).

The following is my contact information, you are very welcome to come to me for inquiries:

Contact person:Panda
Email Address::panda@fenoux.com
WhatApp: +86 13376987741

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