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HWS 30A-150A/ME Series
BEFORE USING THE POWER SUPPLY UNIT
Be sure to read this instruction manual thoroughly before using this product. Pay attention to all cautions and warnings before
using this product. Incorrect usage could lead to an electrical shock, damage to the unit or a fire hazard.
DANGER
Never use this product in locations where flammable gas or ignitable substances are present. There are risks of igniting these
substances and exploding by an arcing.
WARNING
Do not touch this product or its internal components while circuit is live, or shortly after shutdown. There may be high voltage or
high temperature present and you may receive an electric shock or burn.
While this product is operating, keep your hands and face away from it as you may be injured by an unexpected situation.
Do not make unauthorized changes to this product, otherwise you may receive an electric shock and void your warranty.
Do not drop or insert anything into this product. It might cause a failure, fire and electric shock.
Do not use this product under unusual condition such as emission of smoke or abnormal smell and sound etc.
It might lead to fire and electric shock. In such cases, please contact us. Do not attempt repair by yourself, as it is dangerous for the
user.
Do not operate these products in the presence of condensation. It might lead fire and electric shock.
CAUTION
This power supply is designed and manufactured for use within an end product such that it is accessible to
SERVICE ENGINEERS only.
Confirm connections to input/output terminals and signal terminal are correct as indicated in the instruction manual
before switching on.
Input voltage, Output current, Output power, ambient temperature and ambient humidity should be kept within specifications,
otherwise the product will be damaged.
Do not operate and store this product in an environment where condensation might occur. In such case, waterproof treatment is
necessary.
Do not use this product in environment with a strong electromagnetic field, corrosive gas or conductive substances.
For applications, which require very high reliability (Nuclear related equipment, medical equipment, traffic control equipment, etc.),
it is necessary to provide a fail-safe mechanism in the end equipment.
Do not inject abnormal voltages into the output or signal of this product. The injection of reverse voltage or over voltage
exceeding nominal output voltage into the output or signal terminals might cause damage to internal components.
Never operate the product under over current or short-circuit conditions, or outside its specified Input Voltage Range.
Insulation failure, smoking, burning or other damage may occur.
This product contains a printed circuit board utilizing surface mounted devices.
PCB stress such as bending, twisting etc. could cause damage. Therefore, please handle with care.
This power supply has possibility that hazardous voltage may occur in output terminal depending on failure mode.
The output of these products must be protected in the end use equipment to maintain SELV.
The information in this document is subject to change without prior notice. Please refer to the latest version of the data sheet, etc.,
for the most up-to date specifications of the product.
No part of this document may be copied or reproduced in any form without prior written consent of TDK-Lambda.
Note : CE MARKING
CE Marking when applied to a product covered by this handbook indicates compliance with the low voltage directive
(2006/95/EC) in that it complies with EN60950-1.
Instruction Manual
TDK-Lambda
HWS 30
Series
A-150A/ME
INSTRUCTION MANUAL
A256-04-01/ME-A

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Summary of Contents for TDK-Lambda HWS ME Series

  • Page 1 • No part of this document may be copied or reproduced in any form without prior written consent of TDK-Lambda. Note : CE MARKING CE Marking when applied to a product covered by this handbook indicates compliance with the low voltage directive (2006/95/EC) in that it complies with EN60950-1.
  • Page 2: Emc Performance

    Important safety instructions Servicing These products are not customer serviceable. Repairs may only be carried out by TDK-Lambda Corp. or their authorised agents. These products are not authorised for use as critical components in nuclear control systems, life support systems or equipment for use in hazardous environments without the express written approval of the Managing Director of TDK-Lambda Corp..
  • Page 3: General Installation Instructions

    TDK-Lambda Series 30A-150A/ME INSTRUCTION MANUAL General installation instructions 1)These products are Class I and must therefore be reliably earthed and professionally installed in accordance with the prevailing electrical wiring regulations and the safety standards covered herein. 2)The degree of protection against harmful ingress of water is: Ordinary, IPX0. Therefore chemicals/solvents, clean- ing agents and other liquids must not be used.
  • Page 4 TDK-Lambda Series 30A-150A/ME INSTRUCTION MANUAL 1. Model name identification method HWS 30A – 5 / ME ME : Approved by safety standards for medical equipment. Rated Output Voltage Output Power type Series Name 2. Terminal Explanation HWS30A/ME, HWS50A/ME ① +V : + Output terminal (15A max.
  • Page 5: Connecting Method

    TDK-Lambda Series 30A-150A/ME INSTRUCTION MANUAL 3. Connecting method Pay attention to the input wiring. If it is connected to wrong terminal, the power supply will be damaged. · Input must be off when making connections. · Connect FG terminal to earth (frame ground of the equipment etc.) by thick wire for safety and improvement of noise sensitivity.
  • Page 6 TDK-Lambda Series 30A-150A/ME INSTRUCTION MANUAL 4. Explanation of Functions and Precautions 4-1. Input Voltage Range Input voltage range is single phase 85-265VAC(47-63Hz) or 120-370VDC. Input voltage, which is out of specification, might lead unit damage. For cases where conformance to various safeties required, described as 100-240VAC (50-60Hz).
  • Page 7: Output Ripple & Noise

    TDK-Lambda Series 30A-150A/ME INSTRUCTION MANUAL 4-6. Remote Sensing (+S, –S terminal) (For HWS100A/ME, HWS150A/ME) This function compensates voltage drop of wiring from output terminals to load terminals. Connect “+S” terminal to “+” – – terminal of load and “ S” terminal to “...
  • Page 8 TDK-Lambda Series 30A-150A/ME INSTRUCTION MANUAL 4-8. Series Operation For series operation, either method ( A ) or ( B ) is possible. Method ( A ) Method ( B ) + Power Power Load Supply Supply - + Load -...
  • Page 9 TDK-Lambda Series 30A-150A/ME INSTRUCTION MANUAL 4-11.Withstand Voltage This series is designed to withstand 3.0kVAC between input and output, 2.0kVAC between input and FG and 500VAC between output and FG each for 1 minute. When testing withstand voltage, set current limit of withstand voltage test equipment at 20mA.
  • Page 10: Mounting Method

    Recommend standard mounting is direction ( A ). Direction ( B ), ( C ) and ( D ) are also possible. For other mounting directions, please inquire to TDK-Lambda. Refer to the derating below. Please do not use mounting direction ( E ), where the PCB will be on the topside and heat will be trapped inside the unit.
  • Page 11 TDK-Lambda Series 30A-150A/ME INSTRUCTION MANUAL ■Output Derating HWS30A/ME Load (%) Ta (℃) Mounting (A),(B),(C),(D) -10 ~ +50 HWS50A/ME Load (%) Ta (℃) Mounting (A) Mounting (B),(D) Mounting (C) -10 ~ +45 HWS100A/ME Load (%) Ta (℃) Mounting (A) Mounting (B) Mounting (C),(D) -10 ~...
  • Page 12: Wiring Method

    TDK-Lambda Series 30A-150A/ME INSTRUCTION MANUAL HWS150A/ME Load (%) Ta (℃) Mounting (A) Mounting (B) Mounting (C),(D) -10 ~ +30 6. Wiring Method (1) The output load line and input line shall be separated, and use all lines as thick and short as possible to make lower impedance.
  • Page 13: Warranty Period

    TDK-Lambda Series 30A-150A/ME INSTRUCTION MANUAL 7. The life expectancy The life of the power supply depends on the life of the built-in aluminum electrolytic capacitor. The life is described in reliability data. The life of the aluminum electrolytic capacitor varies depending on the method of mounting the power supply, the load current, and the ambient temperature.

This manual is also suitable for:

Hws30a/meHws50a/meHws100a/meHws150a/me

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