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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.
INSTALLATION WARNING
When installing, ensure that work is done in accordance with the instruction manual.When installation is improper, there is
risk of electric shock and fire.
Installation shall be done by Service personnel with necessary and appropriate technical training and experience. There is a
risk of electric shock and fire.
Do not cover the product with cloth or paper etc. Do not place anything flammable around. This might cause damage, electric
shock or fire.
WARNING on USE
Do not touch this product or its internal components while circuit in operation, or shortly after shutdown. You may receive a
burn.
While this product is operating, keep your hands and face away from it as you may be injured by an unexpected situation.
For products with no cover, do not touch them as there are high-voltage and high temperature parts inside. Touching them
might cause injury such as electric shock or burn.
There are cases where high voltage charge remains inside the product. Therefore, do not touch even if they are not in oepration
as you might get injured due to high votlage and high temperature. You might also get electric shock or burn.
Do not make unauthorized changes to this product nor remove the cover as you might get an electric shock or might damge the
product. We will not be held responsible after the product has been modified, changed or dis-assembled.
Do not use this product under unusual condition such as emission of smoke or abnormal smell and sound etc.Please stop using
it immediately and shut off the product.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 and store these products in environments where condensation occurs due to moisture and humidity. It might
lead fire and electric shock.
Do not drop or apply shock to this product. It might cause failure. Do not operate these products mechanical stress is applied.
CAUTION on MOUNTING
Confirm connections to input/output terminals 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.
Input line, please use the wires as short and thick as possible.
Do not use this product in special environment with strong electromagnetic field, corrosive gas or conductive substances and
direct sunlight, or places where product is exposed to water or rain.
Mount this product properly in accordance with the instruction manual, mounting direction and shall be properly be ventilated.
Please shut down the input when connecting input and output of the product.
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TDK-Lambda
CUT35
INSTRUCTION MANUAL
CA837-04-01A

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Summary of Contents for TDK-Lambda CUT35 Series

  • Page 1 TDK-Lambda CUT35 INSTRUCTION MANUAL 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.
  • Page 2: Caution On Use

    TDK-Lambda CUT35 INSTRUCTION MANUAL CAUTION on USE Product individual notes are shown in the instruction manual. If there is any differnce with common notes individual notes shall have priority. Before using this product, be sure to read the catalog and instruction manual. There is risk of electric shock or damage to the product or fire due to improper use.
  • Page 3: Important Safety Instructions

    Servicing These products are not customer serviceable. Repairs can only be carried out by TDK-Lambda or their authorized agents. These products are not authorized 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 Corporation.
  • Page 4 TDK-Lambda CUT35 INSTRUCTION MANUAL 1 Model name identification method □ (*1) Blank : Standard model Option (*1) : With chassis and cover model : With chassis model Rated Output Voltage : With baseplate model Output Power type Series Name 2 Terminal Explanation ①...
  • Page 5: Block Diagram

    TDK-Lambda CUT35 INSTRUCTION MANUAL 3 Block Diagram Output Circuit Inrush current limit Photo- Circuit couper sense Input 85~265VAC Photo- Output couper sense +12V or +15V Output Output -12V or -15V Circuit Photo- Circuit topology,switching frequency Circuit couper sense Flyback,100kHz Photo-...
  • Page 6: Inrush Current

    TDK-Lambda CUT35 INSTRUCTION MANUAL Input/Output Connector Model Connector Housing Terminal Pin Maker Input Common B3P5-VH(LF)(SN) VHR-5N ( CN1 ) SVH-21T-P1.1 J.S.T. Output BVH-41T-P1.1 Common B5P-VH(LF)(SN) VHR-5N ( CN51 ) Hand Crimping Tool : YC-930R,YC-931R (J.S.T.) 6 Explanation of Function and Precautions 6-1.
  • Page 7: Over Voltage Protection (Ovp)

    TDK-Lambda CUT35 INSTRUCTION MANUAL 6-4. Over Voltage Protection (OVP) The OVP function (Inverter shut down method, manual reset type) is provided for +5V and +12V(+15V). Please refer to its specification for OVP operating range. When OVP triggers, the output will be shut down. To reset OVP, remove the input of power supply for a few minutes, and then re-input.
  • Page 8: Withstand Voltage

    2. If there is external noise filter and Y-caps connected at the input and output of the power supply, the voltage distribution between primary and secondary circuit will be changed during the withstand voltage test, and may cause test fail. In this case, please contact TDK-Lambda for the technical support and instructions.
  • Page 9 TDK-Lambda CUT35 INSTRUCTION MANUAL 7-2. Output Derating 7-2-1. Output derating for Standard model Make sure that the specified temperature range is maintained. Convection Cooling LOADING CONDITION(%) O UTPUT DERATING VS. AMBIENT TEMPERA TURE Ta (°C) Mounting A,C,E Mounting B Mounting D,F...
  • Page 10 TDK-Lambda CUT35 INSTRUCTION MANUAL 7-2. Output Derating 7-2-2. Output derating for for /L and /A model Make sure that the specified temperature range is maintained. Convection Cooling LOADING CONDITION(%) O UTPUT DERATING VS. AMBIENT TEMPERATURE Ta (°C) Mounting A,C,E Mounting B Mounting D,F...
  • Page 11 TDK-Lambda CUT35 INSTRUCTION MANUAL 7-3. Mounting Method 7-3-1. Mounting method for standard model All four mounting holes on this model should be utilized for best electrical and mechanical performance, with 10mm (minimum height) metal standoffs. Mounting Holes size 4 holesφ3.5mm.
  • Page 12: Mounting Holes

    TDK-Lambda CUT35 INSTRUCTION MANUAL terminal (Protective Earth) must be connected to the earth terminal of the equipment, also the two mounting holes (as shown below) needed to be connected to earthed metal plane or metal chassis of end product by metal spacer to ensure EMC and EMI performance.
  • Page 13: Wiring Method

    TDK-Lambda CUT35 INSTRUCTION MANUAL 8. Wiring Method This power supply is primarily designed and manufactured to be used and enclosed in other equipment. The installation, wiring, grounding and end application of the switching power supply in the equipment system may influence its EMC characteristics.
  • Page 14: Warranty Condition

    TDK-Lambda CUT35 INSTRUCTION MANUAL 13. Warranty Condition This product is warranted for a period of 3 years from the date of shipment. For damages occurring at normal operation within this warranty period, repair is free of charge. Please read the General Safety Instruction before using the products.

This manual is also suitable for:

Cut35-522Cut35-5ff

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