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TDK-Lambda JWT Series Instruction Manual
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TDK-Lambda JWT Series Instruction Manual

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Instruction Manual
BEFORE USING THE POWER SUPPLY UNIT
Pay attention to all warnings and cautions before using the unit. Incorrect usage could lead to an electrical
shock, damage to the unit or a fire hazard.
WARNING and CAUTION
● Do not modify.
● Do not touch the internal components, they may have high voltage or high temperature. You may get elec-
trical shock or burned.
● When the unit is operating, keep your hands and face away from it, you may get injured by an accident.
● This power supply is primarily designed and manufactured to be used and enclosed in other equipment.
Stick the WARNING label for users on the system equipment and describe the notice in the instruction
manual.
● Never operate the unit under over current or shorted conditions for 30 seconds or more which could result
in damage or insulation failure. There is no possibility for fire or burning.
● Confirm connections to input/output terminals are correct as indicated in the instruction manual.
Note: CE MARKING
CE Marking, when applied to a product covered by this handbook, indicates compliance with the low voltage
directive.
JWT Series
TDK-Lambda
JWT Series
INSTRUCTION MANUAL
A178-04-01D

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Summary of Contents for TDK-Lambda JWT Series

  • Page 1 TDK-Lambda JWT Series INSTRUCTION MANUAL JWT Series Instruction Manual BEFORE USING THE POWER SUPPLY UNIT Pay attention to all warnings and cautions before using the unit. Incorrect usage could lead to an electrical shock, damage to the unit or a fire hazard.
  • Page 2 TDK-Lambda JWT Series INSTRUCTION MANUAL 1. Terminal Explanation JWT75, JWT100 ( Block terminal type ) JWT75 , JWT100 ( Connector Type ) (1) CH1 (5) Input terminal Live line ( Fuse in line ) - Block terminal type - - Block terminal type -...
  • Page 3 TDK-Lambda JWT Series INSTRUCTION MANUAL 2. Terminal connecting method · Input must be off when making connections. · Connect FG terminal to ground terminal of the equipment. · Output current of each connector pin must be less than 7A. ( For connector type ) ·...
  • Page 4 TDK-Lambda JWT Series INSTRUCTION MANUAL 3-7. Over Current Protection ( OCP ) The control mode is shown below. Constant current limiting, automatic recovery. OCP func- + R & - R terminal condition Output Condition tion operates when the output current exceeds 105% of SW ON ( Higher than 4.5V )

  • Page 5: Mounting Directions

    TDK-Lambda JWT Series INSTRUCTION MANUAL Input ~ FG ( chassis ) : solid line ( A ) Input ~ Output : dotted line Standard Mounting ( B ) ( D ) ( C ) Prohibit for JWT100 Output ~ FG ( chassis )

  • Page 6: Wiring Method

     For safety and EMI considerations, connect FG (1) This is a convection cooling type power supply. In terminal of JWT series to mounting set ground the consideration for the heat radiation and safety. terminal. Please take a distance more than 15mm between the ...
  • Page 7 TDK-Lambda JWT Series INSTRUCTION MANUAL 8. Before concluding that the unit is at fault... Before concluding that the unit is at fault, make the fol- lowing checks. · Check if the rated input voltage is connected. · Check if the wiring of input and output is correct.

This manual is also suitable for:

Jwt75Jwt100