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AC network insulation monitor VARIMETER IMD | RN 5897/300
AC/DCDC

AC network insulation monitor
AC network insulation monitor
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Characteristics

Options
for AC networks, DC, AC/DC

Description

The insulation monitor RN 5897/300 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. 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. 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 Advantages / Customer benefit • 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

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