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Info.
Information
Interl.
Interlocking
INV
Inverse characteristic (The tripping time will be calculated depending on the
height of the current)
I/O
Input / output
IOC
Instantaneous overcurrent
IOV
Instantaneous overvoltage
IR
Residual (calculated) ground current
IRIG
Input for time synchronization (Clock), Inter-range instrumentation group
ISO
International Standards Organization
IT
Thermal Characteristic
I2T
Thermal Characteristic
I4T
Thermal Characteristic
IUV
Instantaneous undervoltage
IX
4th measuring input of the current measuring assembly group (either ground
or neutral current)
J
Joule
kA
Kiloampere
kg
Kilogram
kHz
Kilohertz
kV
Kilovolt(s)
kVdc or kVDC
Kilovolt(s) direct current
L1
Phase A
L2
Phase B
L3
Phase C
l/ln
Ratio of current to nominal current.
LED
Light emitting diode
lb-in
Pound-inch
LAT
Long acceleration time
LINV
Long time inverse tripping characteristic
LRC
Locked rotor current
264
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EMR-3MP0
11 Appendix
11.2 Glossary