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1. Investigation of the inverter
1.1 Specification label (Model name, Manufacturing number ; MFG)
• There are 2 specification label attached to the inverter as shown in Fig 1-1.
• Please confirm the model name and MFG number from the specification label as follows.
1.1.1 Model name
SJ300-055 H F (R)
1.1.2 MFG number
94 A T12345 9 0001
Fig 1-1 Specification label location
Specification label
Fig 1-2 contents of specification label
Model name
Applicable motor
Input ratings
MFG number
Output ratings
R : with POT meter
F : with digital operator
L : 3φ 200V class
H : 3φ 400V class
Applicable motor (055 : 5.5kW)
Model name
Serial No. (0001 ~ 9999)
Year of production (9 : 1999)
Production No.
REV. No.(1 character or 2 characters)
Production year & month (94 : 1999 / April)