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 www.eaton.com EMR-3MP0
11 Appendix
11.2 Glossary
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