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Insulation monitor RN 5897/020

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Features

• 2 separate adjustable response thresholds
(using e.g. for pre-alarm and Alarm)
• Setting range of 1st response value (Pre-alarm): 20 kΩ … 500 kΩ
• Setting range of 2nd response value (alarm): 1 kΩ … 100 kΩ
• 1 changeover contacts each for insulation failures-Pre-alarm and -alarm
• Energized or de-energized on trip can be selected for indicator relay
• Display for indication of measured value, device parameters and
device status
• Automatic and manual device self-test
• Alarm storage selectable
• Protection against manipulation by sealable transparent cover
• External control input for combined test- / reset-button
with additional Stop of the measuring function
• 3 wide voltage input for auxiliary voltage
• Width 52.5 mm

• 2 separate adjustable response thresholds
(using e.g. for pre-alarm and Alarm)
• Setting range of 1st response value (Pre-alarm): 20 kΩ … 500 kΩ
• Setting range of 2nd response value (alarm): 1 kΩ … 100...

more...

Advantages / Customer benefit

• Suitable for DC charging stations for electric vehicles acc. to
IEC/EN 61851-23
• Insulation monitoring according to IEC/EN 61557-8
• With connection facility of an external coupling device RL 5898
for voltages up to AC 400 V / DC 500 V or
RP 5898 for voltages up to AC 690 V / DC 1000 V
• Very fast reaction time ≤ 1 s
• Optimised insulation resistance monitoring also during
mains voltage variation
• Self-test every full operating hours
• Preventive fire and system protection
• Detection of symmetric and asymmetric insulation faults
• Quick fault localisation through selective earth fault detection to L+
and L-
• Universal application in non-earthed AC, DC, AC/DC networks
up to AC max. 250 V or DC max. 300 V
• Easy adjustment of response values and setting parameter via
rotational switch and menu display
• Suitable for large leakage capacitances up to 5 μF
• Monitoring also with voltage-free mains
• Measuring circuit L(+)/L(-) with broken wire detection (can be switched off)
• Protective conductor PE1/PE2 with broken wire detection
(can't be switched off)

• Suitable for DC charging stations for electric vehicles acc. to
IEC/EN 61851-23
• Insulation monitoring according to IEC/EN 61557-8
• With connection facility of an external coupling device RL 5898
for voltages up to AC 400 V / DC 500 V...

more...
Function Insulation monitor
Approvals UL
System type AC; DC; AC/DC
Nominal voltage up to 1000 V
Response value type Einstellbar
Response value kOhm ... kOhm 1 - 500 Ohm
With auxiliary voltage +
Earth fault indicator +
Enclosure design Installationsverteiler
Width 52,5 mm
Type RN 5897/020

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Datasheet / Operating Instructions, File: pdf, File size 911 KB

Brochure, Product overview VARIMETER, File: pdf, File size 1 MB

EPLAN Electric P8 Makro, RN 5897/020, File: zip, File size 122 KB

The insulation monitor RN 5897/020 of the VARIMETER IMD family provides best and up to date insulation monitoring of modern IT systems in an optimum and state of the art way fulfilling the relevant standards. The device can be used in the most flexible way for AC, DC and AC/DC systems. Mains areas of applications are non-earthed DC charging stations for electric vehicles with mains voltages up to DC 1000 V. The adjustment of the setting values is simple and user friendly done on 2 rotary switches on the front of the device. Via display and LEDs the measured value, device parameters and device status are indicated easy to read. With a sealable transparent cover the device is protectet against manipulation.

 

 

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