Insulation monitors DOLD

• 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