Insulation monitors

High reliability of an IT system can be ensured by continuous monitoring of the insulation. The insulation monitor measures the insulation independence and immediately signals if its value falls below the set minimum threshold.

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Table of available types of insulation monitors

TypeDescriptionNetwork typeNominal voltage (V)Actuation setpointSeparate supply voltageInsulation error indicatorFlag indicator connectionModule width (mm)Data Sheet
LK 5896Insulation monitormixed1000setting range from 1 kOhm to 2 MOhm+++90
LK5896.pdf
LK 5895Insulation monitormixed1000setting range from 1 kOhm to 2 MOhm++90
LK5895.pdf
LK 5894Insulation monitormixed690setting range from 1 kOhm to 2 MOhm++90
LK5894.pdf
AN 5873Insulation monitormixedAC: 690 DC: 1000setting range from 10 kOhm to 440 kOhm+++100
AN5873.pdf
IL 5880, IP 5880, SL 5880, SP 5880Insulation monitorAC, three phases500setting range from 5 kOhm to 100 kOhm++ 35, 70
IL5880, IP5880, SL5880, SP5880.pdf
MK 5880NInsulation monitorAC, three phases500setting range from 5 kOhm to 100 kOhm++22.5
MK5880N.pdf
RP 5888Insulation monitorAC, three phases500setting range from 5 kOhm to 5 MOhm+++140
RP5888.pdf
IN 5880/710, IN 5880/711, IP 5880/712 Insulation monitor for medical applicationsAC, three phases500setting range from 50 kOhm to 500 kOhm++52.5, 70
IN5880_710, IN5880_711, IP5880_711.pdf
IR 9112/710, IS 9112/711, IS 9112/712IT line insulation, temperature and current monitor for medical applicationsAC, three phases300fixed, 50 kOhm++140
IR9112_710, IS9112_711, IS9112_712.pdf
BD 5877/241Insulation monitor with relay output for applications in wind power plantsAC, three phases400setting range from 200 kOhm to 2 MOhm45
BD5877_241.pdf
BO 5877/011Insulation monitor with voltage control and relay output for applications in wind power plantsAC, three phases400setting range from 200 kOhm to 2 MOhm100
BO5877_011.pdf
IL 5881, SL 5881Insulation monitorDC280setting range from 5 kOhm to 200 kOhm+35
IL5881, SL5881.pdf
TypeDescriptionModule width (mm)Data Sheet
AG 5870Insulation monitor50
AG5870.pdf
AG 5876Insulation monitor50
AG5876.pdf
AI 895Insulation monitor45
AI895.pdf
AI 897Insulation monitor45
AI897.pdf
AI 898Insulation monitor45
AI898.pdf
AN 5872Insulation monitorinstallation on the mounting plate, 96 x 96
AN5872.pdf
AN 5890Insulation monitor100
AN5890.pdf
EH 5878Insulation monitorinstallation on the mounting plate, 96 x 96
EH 5878.pdf