ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 8: INSULATION MONITORING DEVICES FOR IT SYSTEMS
International Electrotechnical Committee
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 Requirements
5 Marking and operating instructions
6 Tests
7 Overview of requirements and tests for IMDs
Annex A (normative) - Medical insulation monitoring
devices (MED-IMD)
Annex B (informative) - Monitoring of overload current
and over-temperature
Annex C (normative) - Insulation monitoring devices
for photovoltaic systems (PV-IMD)
Annex D (normative) - Insulation monitoring function
of a photovoltaic inverter (PV-IMF) or in a
charge controller
Bibliography
Describes the requirements for insulation monitoring devices (IMD) which permanently monitor the insulation resistance R[F] to earth of unearthed a.c. IT systems, of a.c. IT systems with galvanically connected d.c. circuits having nominal voltages up to 1000 V a.c., as well as of unearthed d.c. IT systems with voltages up to 1500 V d.c. independent from the method of measuring.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 85 |
