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3

Assembling and Installation Method

LGA-15

3.1 Installation 

method

3.2 Derating

3.3 Mounting 

screw

3.4 

Expectancy life and warranty

4

Ground

LGA-19

LGA-15
LGA-15
LGA-18
LGA-18

1

Function

LGA-14

2

Series Operation and Parallel Operation

LGA-14

1.1 

Input voltage range

1.2 

Inrush current limiting

1.3 Overcurrent 

protection

1.4 Overvoltage 

protection

1.5 

Output voltage adjustment range

1.6 Isolation

LGA-14
LGA-14
LGA-14
LGA-14
LGA-14
LGA-14

5.1 

Outline of options

5.2 Others

LGA-19
LGA-20

5

Option and Others

LGA-19

AC-DC Power Supplies Open Frame/ Enclosed Type

LGA-13

LGA

Instruction Manual

me̲lga1.indd   1

me lga1 indd 1

2015/06/19   14:42:25

2015/06/19 14:42:25

Summary of Contents for LGA100A

Page 1: ...ethod Forward Converter Forward Converter Forward Converter 1 A 3 6 2 4 1 7 1 3 current Input 130 operation availability 2 Series Parallel Parallel operation SCR CEM 3 Yes Yes PCB Pattern SCR SCR Ther...

Page 2: ...Series Operation and Parallel Operation LGA 14 1 1 Input voltage range 1 2 Inrush current limiting 1 3 Overcurrent protection 1 4 Overvoltage protection 1 5 Output voltage adjustment range 1 6 Isolat...

Page 3: ...input should be shut down if overvoltage protection is in operation The mini mum interval of AC recycling for recovery is 1 5 minutes LGA240A is 3minutes The recovery time varies depending on input v...

Page 4: ...ing E mounting A F mounting 1 1 A mounting B C mounting 10 70 60 50 40 30 2 2 1Convection 80 100 60 40 20 0 20 10 0 Load factor C Ambient temperature A F mounting Forced air 0 5m3 min 1 1 D mounting E...

Page 5: ...ounting AC DC Power Supplies Open Frame Enclosed Type Instruction Manual LGA 16 LGA F mounting should be operated by Forced air Fig 3 14 Derating curve depending on input voltage Fig 3 9 Ambient tempe...

Page 6: ...66 77 Io 40 75 81 A B C D E F Forced air 70 Io 100 85 80 Io 70 80 75 Table 3 4 Temperatures of Point A Point B LGA100A O Mounting Method Cooling Method Load factor Max temperature Point A C Point B C...

Page 7: ...50C 5years 3years Warranty Table 3 13 Warranty LGA50A 3R3 Y 5 12 15 Mounting Method Cooling Method Average ambient temperature year Load factor Io 75 75 Io 100 A Convection Ta 40C or less 5years 5yea...

Page 8: ...able 3 18 Warranty LGA240A O Mounting Method Cooling Method Average ambient temperature year Load factor Io 75 75 Io 100 A Convection Ta 30C or less 5years 5years Ta 40C 5years 3years B C Convection T...

Page 9: ...se the output voltage turn a built in potentiometer clockwise To decrease the output voltage turn it counterclockwise Please take care when you adjust output voltage by potentiometer because there is...

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