Insulation monitors DOLD

• 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
• Monitors also disconnected voltage systems
• De-energized on trip
• Auxiliary voltage Measuring Circuit and output contacts are galvanically separated
• Manual and auto reset
• With test and reset button
• Connections of external test and reset buttons possible
• LED indicators for operation and alarm
• 2 changeover contacts
• IL/SL 5880/200 with additional prewarning
- adjustable prewarning value 10 kΩ ... 5 MΩ
- output function programmable
• Variant IL/SL 5880/300 according to DIN VDE 0100-551 for mobile generator sets available
• 4 models available:
IL 5880, IP 5880: 61 mm deep with terminals near to the bottom to be mounted in consumer units
or industrial distribution systems according to DIN 43 880
SL 5880, SP 5880: 98 mm deep with terminals near to the top to be mounted in cabinets with
mounting plate and cable ducts
• DIN rail or screw mounting
• 35 mm width

• 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
• Monitors also disconnected voltage systems
• De-energized on trip
• Auxiliary voltage Measuring Circuit and output contacts are galvanically separated
• Manual and auto reset
• With test and reset button
• Connections of external test and reset buttons possible
• LED indicators for operation and alarm
• 2 changeover contacts
• IL/SL 5880/200 with additional prewarning
- adjustable prewarning value 10 kΩ ... 5 MΩ
- output function programmable
• Variant IL/SL 5880/300 according to DIN VDE 0100-551 for mobile generator sets available
• 4 models available:
IL 5880, IP 5880: 61 mm deep with terminals near to the bottom to be mounted in consumer units
or industrial distribution systems according to DIN 43 880
SL 5880, SP 5880: 98 mm deep with terminals near to the top to be mounted in cabinets with
mounting plate and cable ducts
• DIN rail or screw mounting
• 35 mm width

• 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 voltage and alarm
• LED chain to indicate the current insulation resistance
• Automatic or manual reset, programmable
• Analogue output for insulating value
• External indicating instrument can be connected
• Closed circuit operation
• Open circuit operation on request
• With pluggable terminal blocks for easy exchange of devices
- with screw terminals
- or with cage clamp terminals
• Width 45 mm

• 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 relay
• Setting the maximum leakage capacitance to shorten the response time
• Simple, clearly arranged adjustment of the device with screwdriver
• LED chain to indicate the current insulation resistance
• Display of active measuring circuits
• Automatic and manual device self-test
• Width: 90 mm

• 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 threshold setting range: 1 kΩ ... 250 kΩ
• Energized or de-energized on trip can be selected for output relay
• Setting the maximum leakage capacitance to shorten the response time
• Simple, clearly arranged adjustment of the device with screwdriver
• LED chain to indicate the current insulation resistance
• Display of active measuring circuits
• Automatic and manual device self-test
• Alarm storage selectable
• External test and reset pushbutton can be connected
• Width 90 mm

• 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 kΩ ... 250 kΩ
• Energized or de-energized on trip can be selected for output relay
• Setting the maximum leakage capacitance to shorten the response time
• Simple, clearly arranged adjustment of the device with screwdriver
• LED chain to indicate the current insulation resistance
• Display " measuring circuits active"
• Display "Master" or "Slave"
• Automatic and manual device self-test
• Alarm storage selectable
• External test and reset pushbutton can be connected
• With watchdog timer to monitor the trigger signal
• Width: 90 mm

• 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
• 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 relay
• Setting the maximum leakage capacitance to shorten the response time
• Simple, clearly arranged adjustment of the device with screwdriver
• LED chain to indicate the current insulation resistance
• Display of active measuring circuits
• Automatic and manual device self-test
• Alarm storage selectable
• External test and reset pushbutton can be connected
• Width: 90 mm

• 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

• Insulation monitoring according to IEC/EN 61557-8
• With connection facility of an external coupling device RP 5898
for voltages up to 1000 V
• 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 … 250 kΩ
• 2 changeover contacts für 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
• Setting the maximum leakage capacitance to shorten the response time
• 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

• 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 wire protection
• As option, programmable for storing or non-storing of errors
• With reset and test button
• Additional external reset and test buttons can be connected
• LED indicators for operation, insulation fault, and interruption of
Measuring circuit
• 2 changeover contacts
• With LED chain for indication of the current insulation status
• IP 5880/711 for connection of the test and display panel UP 5862
• 52.5 mm width

• 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
• Monitors also disconnected voltage systems
• Energized / de-energized on trip settable
• Measuring circuit, auxiliary voltage, output contacts and analogue output are galvanically separated
• Programmable for manual reset or hysteresis function
• With test and reset button
• Connections for external test and reset buttons possible
• LED indicators for operation and alarm
• 2 changeover contacts
• Output function programmable
• Width: 70 mm

• According to IEC/EN 61 557-8
• 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
• Selective ground fault indication for L+ and L- allows fast fault finding
• Without auxiliary supply
• De-energized on trip
• 2 changeover contacts
• Automatic or manual reset, programmable
• With test and reset buttons
• Connection for external test and reset button possible
• galvanic separated AC or DC auxiliary supply available as option
• adjustable time delay as option
• 2 models available:
IL 5881: 61 mm deep with terminals near to the bottom to be mounted in consumer units or industrial distribution systems according to DIN 43 880
SL 5881: 98 mm deep with terminals near to the top to be mounted in cabinets with mounting plate and cable ducts
• 35 mm width

• 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 wire protection
• As option, programmable for storing or non-storing of errors
• With reset and test button
• Additional external reset and test buttons can be connected
• LED indicators for operation, insulation fault, and interruption of
Measuring circuit
• 2 changeover contacts
• With LED chain for indication of the current insulation status
• IP 5880/711 for connection of the test and display panel UP 5862
• 52.5 mm width

• 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 and auto reset
• With test and reset button
• Connections for external test and reset buttons possible
• LED indicators for operation and alarm
• 2 changeover contacts
• MK 5880N/200 with additional prewarning
- adjustable prewarning value 10 kΩ ... 5 MΩ
- 1 output relay for alarm and 1 for pre-warning
• MH 5880/500: similar to MK 5880N but with galvanic separated analogue output and 11 step LED chain for the actual insulation value
• Wire connection: also 2 x 1.5 mm2 stranded ferruled, or
2 x 2.5 mm2 solid DIN 46 228-1/-2/-3/-4
• As option with pluggable terminal blocks for easy exchange of devices
- with screw terminals
- or with cage clamp terminals
• MK 5880N: 22.5 mm width
MH 5880: 45 mm width

• 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 and auto reset
• With test and reset button
• Connections for external test and reset buttons possible
• LED indicators for operation and alarm
• 2 changeover contacts
• MK 5880N/200 with additional prewarning
- adjustable prewarning value 10 kΩ ... 5 MΩ
- 1 output relay for alarm and 1 for pre-warning
• MH 5880/500: similar to MK 5880N but with galvanic separated analogue output and 11 step LED chain for the actual insulation value
• Wire connection: also 2 x 1.5 mm2 stranded ferruled, or
2 x 2.5 mm2 solid DIN 46 228-1/-2/-3/-4
• As option with pluggable terminal blocks for easy exchange of devices
- with screw terminals
- or with cage clamp terminals
• MK 5880N: 22.5 mm width
MH 5880: 45 mm width

• 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
• Monitors also disconnected voltage systems
• De-energized on trip
• Auxiliary voltage Measuring Circuit and output contacts are galvanically separated
• Manual and auto reset
• With test and reset button
• Connections of external test and reset buttons possible
• LED indicators for operation and alarm
• 2 changeover contacts
• IL/SL 5880/200 with additional prewarning
- adjustable prewarning value 10 kΩ ... 5 MΩ
- output function programmable
• Variant IL/SL 5880/300 according to DIN VDE 0100-551 for mobile generator sets available
• 4 models available:
IL 5880, IP 5880: 61 mm deep with terminals near to the bottom to be mounted in consumer units
or industrial distribution systems according to DIN 43 880
SL 5880, SP 5880: 98 mm deep with terminals near to the top to be mounted in cabinets with
mounting plate and cable ducts
• DIN rail or screw mounting
• 35 mm width

• 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
• Monitors also disconnected voltage systems
• De-energized on trip
• Auxiliary voltage Measuring Circuit and output contacts are galvanically separated
• Manual and auto reset
• With test and reset button
• Connections of external test and reset buttons possible
• LED indicators for operation and alarm
• 2 changeover contacts
• IL/SL 5880/200 with additional prewarning
- adjustable prewarning value 10 kΩ ... 5 MΩ
- output function programmable
• Variant IL/SL 5880/300 according to DIN VDE 0100-551 for mobile generator sets available
• 4 models available:
IL 5880, IP 5880: 61 mm deep with terminals near to the bottom to be mounted in consumer units
or industrial distribution systems according to DIN 43 880
SL 5880, SP 5880: 98 mm deep with terminals near to the top to be mounted in cabinets with
mounting plate and cable ducts
• DIN rail or screw mounting
• 35 mm width

• According to IEC/EN 61 557-8
• 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
• Selective ground fault indication for L+ and L- allows fast fault finding
• Without auxiliary supply
• De-energized on trip
• 2 changeover contacts
• Automatic or manual reset, programmable
• With test and reset buttons
• Connection for external test and reset button possible
• galvanic separated AC or DC auxiliary supply available as option
• adjustable time delay as option
• 2 models available:
IL 5881: 61 mm deep with terminals near to the bottom to be mounted in consumer units or industrial distribution systems according to DIN 43 880
SL 5881: 98 mm deep with terminals near to the top to be mounted in cabinets with mounting plate and cable ducts
• 35 mm width

• 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 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 indicating instrument possible
• as option de-energized on trip or energized on trip
• Width 100 mm