APS-7305 DC Power Supply 150W 30V / 5A 1 channel programmable

AKTAKOM APS-7305 DC Power Supply 150W 30V / 5A 1 channel programmable
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Brand: AKTAKOM
Warranty: 1 year
Manuals: 
User's Manual (3.6 Mb)

RS-232 (Recommended Standard 232)

AKTAKOM APS-7305 programmable DC power supply has a great protection capability and can protect a user’s device from getting burnt/damaged.

Retail price: $110.00

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The AKTAKOM APS-7305 is the most economical remote controlled programmable power supply. Precision and stability of APS-73xx series exceed a standard power supply. The great protection capability of this power supply can protect a user’s device from getting burnt/damaged.

Single channel economical programmable regulated power supply. Rated Output Voltage: 0~30V. Rated Output: Current: 0~5A. Resolution Voltage: 10mV. Resolution Current: 1mA (≤3A) / 2mA (>3A). Power Effect: Voltage: 0.01%+3mV. Power Effect: Current: 0.01%+3mA. Load Effect Voltage: 0.01%+3mV (≤3A) / 0.02%+5mV (>3A). Load Effect Current: 0.2%+3mA (≤3A) / 0.2%+5mA (>3A). Set Accuracy Voltage: ≤0.1%+20mV. Set Accuracy Current: ≤0.5%+5mA (≤3A) / ≤0.5%+10mA (>3A). Ripple (20Hz~20MHz) Voltage: ≤1mVrms (3A) / ≤2mVrms (>3A). Ripple (20Hz~20MHz) Current: ≤3mArms (3A) / ≤6mArms (>3A).

Features

  • The most economical programmable regulated power supply
  • High stability. Low Drift (<300ppm)
  • Offers lots of complex testing capabilities through computer controlling
  • Storage function
  • Switching on or off the output
  • Low Ripple and Noise
  • Over-voltage, over-current, over temperature protection
  • Powerful Strong Fan
  • Nominal Voltage 110V

Channels1
Output voltage (V)30
Output voltage accuracy0.1%+20 mV
Output voltage display resolution10 mV
Output current (A)5
Output current accuracy≤0.5%+5 mA (≤3 A) / ≤0.5%+10 mA (>3 A)
Output current display resolution1 mA (≤3 A) / 2 mA (>3 A)
Output power150 W
Ripple and Noise≤1 mVrms (≤3 A) / ≤2 mVrms (>3 A)
Load stability0.01%+3 mV (≤3 A) / 0.02%+5 mV (>3 A)
Special featuresProgrammable, Memory
InterfaceRS-232
Display3 LED
Power supply110 V

Specifications:

  • Channels: Single Channel
  • Rated Output Voltage: 0~30V
  • Rated Output: Current: 0~5A
  • Resolution Voltage: 10mV
  • Resolution Current: 1mA (≤3A) / 2mA (>3A)
  • Power Effect: Voltage: 0.01%+3mV
  • Power Effect: Current: 0.01%+3mA
  • Load Effect Voltage: 0.01%+3mV (≤3A) / 0.02%+5mV (>3A)
  • Load Effect Current: 0.2%+3mA (≤3A) / 0.2%+5mA (>3A)
  • Set Accuracy Voltage: ≤0.1%+20mV
  • Set Accuracy Current: ≤0.5%+5mA (≤3A) / ≤0.5%+10mA (>3A)
  • Ripple (20Hz~20MHz) Voltage: ≤1mVrms (3A) / ≤2mVrms (>3A)
  • Ripple (20Hz~20MHz) Current: ≤3mArms (3A) / ≤6mArms (>3A)
  • Power Cord

  • User Manual

Power supply operation instructions

  1. Output Voltage Adjustment: Press the key [VSET] and then the value of voltage setting will be displayed on the voltage display; and the place setted flickers. Repress and the selected place of the setting values will be changed. And turn the knob and the setting value of the output voltage will be adjusted when the setted place flickers. Stop turning for a few seconds, then the setted place stops flickering and the power will return to the initial status.
  2. Output Current Adjustment: Press the key [ISET] and then the value of voltage setting will be displayed on the voltage display; and the place setted flickers. Repress and the selected place of the setting values will be changed.
    And turn the knob and the setting value of the output voltage will be adjusted when the setted place flickers. Stop turning for a few seconds, then the setted place stops flickering and the power will return to the initial status.
  3. Over current protection: Press the key [RECALL] and the storage direction will flicker. At this time, press [OUTPUT] and it will stop flickering, when the power is in the mode of over current protection; that is, the over current protection starts when the current is up to the setted value; Switch off the output voltage and the over current protection light [OCP] is on. Eliminating the mode of the over current protection: press the key [RECALL] and the storage direction will flicker. At this time, press [OUTPUT] and it will stop flickering, when the power supplies will exit from the over current protection mode.
  4. Storage Selection: Press the key [STORE] and the storage direction light will flicker, which indicates the current storage data. Then press the key [ i ] and the next parameters of voltage and current can be selected; press [ t ] and the previous parameters can be selected. In any storage direction, the relevant storage units can be stored when the parameters of voltage and current are setted.
  5. Switching on or off the output: Press the key [OUTPUT] and the output voltage will be switched on or off.
1. Voltage display (Displaying setted voltage or output voltage display)
2. Current display (setted current display or output current display)
3. Storage data instruction (instructing storage data)
4. Adjusting knob (current and voltage adjusting knob)
5. Key store (storage-selected key)
6. ↑ (Selecting the next storage)
7. ↓ (Selecting the previous storage)
8. V SET (Voltage setting)
9. I SET (Current setting)
10. Key OUTPUT Switching on or off output voltage
11. ON/OFF button
12. Output port and grounding port
13. Fan
14. AC input socket

Frequently Asked Questions

  • What do CV and CC mean?
  • What is the difference between a linear and a switching power supply?
  • What is a DC power supply?
  • What current protection do AKTAKOM power supplies use?
  • May I use AKTAKOM power supplies to charge accumulators?
  • How to change voltage and current values?

  • What do CV and CC mean?

    • CV (Constant Voltage): The voltage stays fixed, current varies with load.
    • CC (Constant Current): The current stays fixed, voltage changes to maintain that current.

    The power supply automatically switches between these modes as load conditions change.


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    What is the difference between a linear and a switching power supply?

    • Linear power supply: Low noise, stable output, ideal for sensitive analog electronics.
    • Switching power supply: Smaller, lighter, more efficient, but produces higher noise.

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    What is a DC power supply?

    A DC power supply converts AC input from the mains into a stable direct current (DC) output. It’s used to power electronic circuits, charge batteries, and perform testing or calibration in research and manufacturing environments.

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    What current protection do AKTAKOM power supplies use?

    AKTAKOM programmable power supplies are equipped with different types of protection to ensure safe operation of the device and connected equipment. The protection method depends on the model series:

    1. Current Stabilization (CC Mode) – Used in Entry-Level Power Supplies

    • In low-end models, current protection is handled by the Constant Current (CC) stabilization mode.
    • If the load resistance decreases (or a short circuit occurs), the power supply automatically reduces the output voltage to the minimum level.
    • The supply remains in this safe state until a load resistance is detected again.
    • Once resistance appears, the voltage and current increase proportionally up to the set values.

    2. Over Current Protection (OCP Mode) – Available in High-End Power Supplies

    • Advanced AKTAKOM power supplies include Over Current Protection (OCP) in addition to current stabilization.
    • OCP mode is independent of CC mode and allows you to set a specific current limit at which the power supply output will shut off completely.
    • After OCP is triggered, the output terminals remain off until reset manually from the device control panel, regardless of load changes.
    • This provides an additional safety layer, especially for sensitive electronic circuits.

    3. Multi-Channel Power Supplies

    • Multi-channel AKTAKOM models support OCP per channel as well as total output current OCP for the entire device.

    Key Notes:

    • Devices without OCP rely only on current stabilization (CC mode) for protection.
    • Devices with OCP provide a trigger-based protection that fully shuts off the output.
    • In both cases, when protection is activated, the load is not galvanically isolated from the power supply output terminals.

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    May I use AKTAKOM power supplies to charge accumulators?

    AKTAKOM power supplies can’t be used for accumulator charging since it may cause the accumulator breakage (recharge, electrolyte boiling, extra pressure of the internal gas which will lead to the accumulator explosion). Accumulators should be charged with the current source which controls the accumulator voltage and regulates the charging current accordingly. When the required accumulator voltage is achieved such type of source simply stops the charging process, its name is a charging device.


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    How to change voltage and current values?

    To change voltage and current values use "V SET", "I SET" buttons and adjusting knob as shown below:


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    La fuente de poder AKTAKOM APS-7305 programable y regulable de un canal es la mas económica de todas. La precision y la estabilidad de la serie APS-73xx excede el estándar de las fuentes en general.

    Voltaje de salida: 0~30 V. Corriente: 0~5 A.
    Resolución del voltaje: 10 mV. Resolución de la Corriente: 1 mA (≤3A) / 2 mA (>3A).
    Potencia efectiva: Voltaje: 0.01% +3 mV. Corriente: 0.01% +3 mA.
    Carga Efectiva Voltaje: 0.01% +3 mV (≤3A) / 0.02% +5 mV (>3A).
    Corriente: 0.2% +3 mA (≤3A) / 0.2% +5 mA (>3A).
    Precisión de ajuste de voltaje: 0.1%+20 mV.
    Precisión de ajuste de corriente: ≤0.5% +5 mA (≤3A) / ≤0.5% +10 mA (>3A).
    Vibración (20Hz~20MHz) Voltaje: ≤1 mVrms (≤3A) / ≤2 mVrms (>3A).
    Vibración (20Hz~20MHz). Corriente: ≤3 mArms (≤3A) / ≤6 mArms (>3A).

    Esta fuente de poder tiene una gran capacidad de protección lo que permite proteger el dispositivo del usuario de quemarse o dañarse.

    Características

    • Es la fuente de poder más económica de suministro de energía programable
    • Alta estabilidad. Deriva baja (<300 ppm)
    • Ofrece muchas de las capacidades de pruebas complejas controladas por un computador
    • Función de almacenaje
    • Interruptor de salida
    • Vibración y ruido bajos
    • Protección de sobretensión, corriente y temperatura
    • Ventilador potente y muy fuerte

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