DOLD VARIMETER IMD RN 5897/300 Методика моніторингу

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Monitoring Technique

VARIMETER IMD

Insulation monitor

RN 5897/300

Product Description

The insulation monitor RN 5897/300 of the VARIMETER IMD family is

a solution for optimal insulation monitoring of modern IT systems. The

device can be used in the most flexible way for AC, DC and AC/DC

systems. The adjustment of the setting values is simple and user friendly

done on 3 rotary switches on the front of the device. Via multicolor LED the

device status is indicated easy to read. With a sealable transparent cover

the device is protectet against manipulation.

Circuit Diagram

L(+)

L(-)

A1(+)

L(+) L(-)

U H

PE1

PE2

X1 X2

11 12 14 21 22 24

PE1

Connection Terminals

Terminal designation

A1(+), A2

L(+), L(-)

PE1, PE2

X1, X2

11, 12, 14

21, 22, 24

All Technical Data in this list relate to the state at the moment of edition. We reserve the right

for technical improvements and changes at any time.

PE2

M11454_a

Signal description

Auxiliarx voltage AC or DC

Connection for measuring ciruit

Connection for protective conductor

Control input (combined external

Test- and Reset-input)

Alarm signal relay K1

(1 changeover contact)

Prewarning signal relay K2

(1 changeover contact)

Translation

of the original instructions

Your Advantages

• For mobile generator sets according to DIN VDE 0100-551

• Preventive fire and system protection

• Detection of symmetric and asymmetric insulation faults

• Universal application in non-earthed AC, DC, AC/DC networks

up to max. 300 V

• Easy adjustment of response values and setting parameter via

rotational switch

• Suitable for large leakage capacitances up to 30 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)

• No additional coupling device required

Features

• Insulation monitoring according to IEC/EN 61557-8

• 2 separate adjustable response thresholds

(using e.g. for pre-Alarm and Alarm)

• Setting range of 1st response value (Pre-Alarm): 20 kΩ ... 1 MΩ

• Setting range of 2nd response value (Alarm): 10 kΩ ... 250 kΩ

• 2 changeover contacts für insulation failures-Pre-Alarm and -Alarm

• Energized or de-energized on trip can be selected for indicator relay

• LED for status indication

• Automatic and manual device self-test

• Alarm storage selectable

• Protection against manipulation by sealable transparent cover

• External control input for combined Test-/Reset-button

• 3 wide voltage input for auxiliary voltage

• Width 52.5 mm

Approvals and Markings

Canada / USA

Applications

Insulation monitoring of:

• Non-earthed AC, DC, AC/DC networks

• UPS systems

• Networks with frequency inverters

• Battery networks

• Networks with direct current drives

• Hybrid and battery-powered vehicles

• Mobile generator sets

AC/DC

10.11.23 en / 800A