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Item NO.:
IR425-D4-1Lead Time:
1-2daysProduct Orgin:
USAShipping Port:
XiamenPayment:
T/T 、PayPal、Western Uniongoods stock:
3Warranty :
one yearShipping Detail:
Fedex and UPS
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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