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            Insulation monitors

            Insulation monitors

            VARIMETER IMD - Convincing solutions for insulation monitoring

            Unplanned standstills of machines and systems as a result of insulation errors can have serious consequences. By detecting such errors in ungrounded networks (IT networks) early on, DOLD insulation monitors prevent outages of electrical systems and thus guarantee higher operating and system security. The system operator is informed early on about pending critical operating conditions and people and machinery are protected by the insulation monitoring. The functionality of DOLD insulation monitoring devices has been intentionally designed simply. You profit twice over from this: through high user-friendliness as well as cost savings.

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            Flyer, Insulation monitor LK 5894, File: pdf, File size 258 KB

            Flyer, Insulation monitor LK 5895 / LK 5896, File: pdf, File size 270 KB

            Flyer, Insulation monitor RN 5897/300, File: pdf, File size 200 KB

            Flyer, Insulation monitor RN 5897/020, File: pdf, File size 266 KB

            Flyer, Insulation monitor RN 5897, File: pdf, File size 215 KB

            Flyer, Insulation monitor LK 5896/900, File: pdf, File size 193 KB

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

            Catalogue, Monitoring technique, File: pdf, File size 9 MB

            Choose a product:

            Response value

            System type

            Nominal voltage up to

            Response value type

            With auxiliary voltage

            Earth fault indicator

            Connection for indicator

            Enclosure design

            Width

            Approvals

            Insulation monitor MK 5880N

            • According to IEC/EN 61 557-8
            • For single and 3-phase AC-systems up to 0 ... 500 V and 10 ... 1000 Hz
            • Monitors also disconnected voltage systems
            • Adjustable tripping value RALof 5 ... 100 kΩ
            • De-energized on trip
            • Auxiliary voltage, measuring circuit and output contacts are galvanically separated
            • Manual...

            Insulation monitor IL 5880

            • According to IEC/EN 61 557-8
            • For single and 3-phase AC-systems up to 0 ... 500 V and
            10 ... 10000 Hz
            • Adjustable tripping value RAL of 5 ... 100 kΩ or 10 ... 500 kΩ
            • Monitors also disconnected voltage systems
            • De-energized on trip
            • Auxiliary voltage Measuring Circuit and output contacts are
            galvanically...

            Insulation monitor IL 5881

            • With reference to IEC/EN 61 557-8 (see also section "Notes")
            • For DC voltage systems up to 12 ... 280 V
            • Wide voltage range of measuring input UN DC 12 ... 280 V
            (on request DC 24 ... 500 V with separate auxiliary supply,
            Measuring range 20 ... 500 kΩ)
            • Adjustable tripping value RAL of
            5 ... 200 kΩ or 10 ... 500...

            Insulation monitor SL 5880

            • According to IEC/EN 61 557-8
            • For single and 3-phase AC-systems up to 0 ... 500 V and
            10 ... 10000 Hz
            • Adjustable tripping value RAL of 5 ... 100 kΩ or 10 ... 500 kΩ
            • Monitors also disconnected voltage systems
            • De-energized on trip
            • Auxiliary voltage Measuring Circuit and output contacts are
            galvanically...

            Insulation monitor SL 5881

            • With reference to IEC/EN 61 557-8 (see also section "Notes")
            • For DC voltage systems up to 12 ... 280 V
            • Wide voltage range of measuring input UN DC 12 ... 280 V
            (on request DC 24 ... 500 V with separate auxiliary supply,
            Measuring range 20 ... 500 kΩ)
            • Adjustable tripping value RAL of
            5 ... 200 kΩ or 10 ... 500...

            Insulation monitoring relay motor windings BD 5877/241

            • According to IEC/EN 61 557
            • Setting range 200 kΩ to 2 MΩ
            • LED indicators
            • Output: 1 NO contact
            • De-energized on trip
            • Test button for function check
            • Reset button
            • Input for voltage detection
            • Manual reset available by bridge
            • Width 45 mm

            Insulation monitor MH 5880

            • According to IEC/EN 61 557-8
            • For single and 3-phase AC-systems up to 0 ... 500 V and 10 ... 1000 Hz
            • Monitors also disconnected voltage systems
            • Adjustable tripping value RALof 5 ... 100 kΩ
            • De-energized on trip
            • Auxiliary voltage, measuring circuit and output contacts are galvanically separated
            • Manual...

            Insulation monitor UH 5892

            • Insulation monitoring according to IEC/EN 61557-8
            • Detection of symmetric and asymmetric insulation faults
            • 1 changeover contact for alarm
            • Fixed response value RAN: 50 kΩ, other on request
            • Internal reset and test pushbutton
            • External test and reset pushbutton can be connected
            • LED indicator for auxiliary...

            Insulation monitor for medical areas IN 5880/711

            • According to IEC/EN 61 557-8
            • For rooms used for medical purposes
            according to IEC 60364-7-710, DIN VDE 0100-710
            • For three-phase and A.C. power systems with 0 … 500 V
            and 10 … 1000 Hz (IT power systems)
            • Adjustable alarm value for ground fault RAL of 50 … 500 kΩ
            • Measuring circuit with broken...

            Insulation monitor RN 5897/010

            • Insulation monitoring according to IEC/EN 61557-8
            • Trigger output for insulation fault locating system
            • 2 separate adjustable response thresholds
            (using e.g. for pre-Alarm and Alarm)
            • Setting range of 1st response value (Pre-Alarm): 20 kΩ … 2 MΩ
            • Setting range of 2nd response value (Alarm): 1 kΩ...

            Insulation monitor RN 5897/020

            • 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
            •...

            Insulation monitor RN 5897/300

            • 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 monitor RN 5897/320

            • 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
            •...

            Insulation monitor IP 5880

            • According to IEC/EN 61 557-8
            • For single and 3-phase AC-systems up to 0 ... 500 V and
            10 ... 10000 Hz
            • Adjustable tripping value RAL of 5 ... 100 kΩ or 10 ... 500 kΩ
            • Monitors also disconnected voltage systems
            • De-energized on trip
            • Auxiliary voltage Measuring Circuit and output contacts are
            galvanically...

            Insulation monitor for medical areas IP 5880/711

            • According to IEC/EN 61 557-8
            • For rooms used for medical purposes
            according to IEC 60364-7-710, DIN VDE 0100-710
            • For three-phase and A.C. power systems with 0 … 500 V
            and 10 … 1000 Hz (IT power systems)
            • Adjustable alarm value for ground fault RAL of 50 … 500 kΩ
            • Measuring circuit with broken...

            Insulation monitor RP 5888

            • Increasing the availability of machines and plants
            • For preventive maintenance
            • According to IEC/EN 61 557-8
            • With configurable analogue output for insulating value
            • For three-phase and A.C. power systems with 0 ... 500 V and 10 ... 1000 Hz
            • Adjustable alarm value for ground fault RAL of 5 k ... 5 MΩ
            •...

            Insulation Monitor SP 5880

            • According to IEC/EN 61 557-8
            • For single and 3-phase AC-systems up to 0 ... 500 V and
            10 ... 10000 Hz
            • Adjustable tripping value RAL of 5 ... 100 kΩ or 10 ... 500 kΩ
            • Monitors also disconnected voltage systems
            • De-energized on trip
            • Auxiliary voltage Measuring Circuit and output contacts are
            galvanically...

            Insulation monitor LK 5894

            • Insulation monitoring according to IEC/EN 61557-8
            • Detection of symmetric and asymmetric insulation faults
            • 2 changeover contacts
            • Prewarning threshold setting range: 20 kΩ ... 2 MΩ
            • Alarm threshold setting range: 1 kΩ ... 250 kΩ
            • Energized or de-energized on trip can be selected for output...

            Insulation monitor LK 5895

            • Insulation monitoring according to IEC/EN 61557-8
            • Detection of symmetric and asymmetric insulation faults
            • Measuring circuits can be disconnected via control terminals, e.g. for mains couplings
            • 1 changeover contact each for prewarning and alarm
            • Prewarning threshold setting range: 20 kΩ ... 2 MΩ
            • Alarm...

            Insulation monitor LK 5896

            • Insulation monitoring according to IEC/EN 61557-8
            • Detection of symmetric and asymmetric insulation faults
            • Measuring circuits can be disconnected via control terminals, e.g. for mains couplings
            • 1 changeover contact each for prewarning and alarm
            • 3. output relay for signalling wire break and device faults
            •...

            Insulation monitor LK 5896/900

            • Insulation monitoring according to IEC/EN 61557-8
            • Detection of symmetric and asymmetric insulation faults
            • 1 changeover contact each for prewarning and alarm
            • 3. output relay for signalling wire break and device faults
            • Prewarning threshold setting range: 20 kΩ ... 2 MΩ
            • Alarm threshold setting range: 1...

            Insulation monitor AN 5873

            • Insulation monitoring according to IEC/EN 61 557-8
            • Fixed response value RAN
            • Internal reset button
            • External reset and test button can be connected
            • LED indicator
            • 1 changeover contact
            • Programmable for manual reset or hysteresis function
            • Analogue output for insulating value
            • External connection of...

            Insulation monitor for medical areas IR 9112/710

            • According to IEC/EN 60 255-1, IEC/EN 61 557-8
            • For rooms used for medical purposes
            according to IEC 60364-7-710, DIN VDE 0100-710
            • Consisting of:
            * Current monitoring system
            - Measuring ranges of 5 … 50 A (with external converter 50 / 5 A)
            - Adjustable from 0.1 … 1 IN
            - Hysteresis fixed at approx. 4%
            - Adjustable switching...

            Insulation monitor for medical areas IS 9112/712

            • According to IEC/EN 60 255-1, IEC/EN 61 557-8
            • For rooms used for medical purposes
            according to IEC 60364-7-710, DIN VDE 0100-710
            • Consisting of:
            * Current monitoring system
            - Measuring ranges of 5 … 50 A (with external converter 50 / 5 A)
            - Adjustable from 0.1 … 1 IN
            - Hysteresis fixed at approx. 4%
            - Adjustable switching...

            More information

            Protection of people and machinery through insulation monitoring and early information about pending critical operating conditions.

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