Laboratory power supply LongWei LW-3010E 0-30V 10A

Index: JBW-19290 EAN: 5904422363260
Programmable laboratory power supply unit allowing regulation of voltage within the range from 0 V to 30 V and current within the range from 0 A to 10 A. The device has an easy-to-read three-level display, which shows values of voltage, current and power. The LongWei LW-3010E can operate in the following modes: constant voltage output stabilization(C.V) andconstant curent current output stabilization(C.C). Their current status is indicated by indicators on the front panel of the device. LW-3010E is a switched-mode power supply with fan cooling. The RS485 communication port is located in the rear part of the device.
Laboratory power supply LongWei LW-3010E 0-30V 10A
€121.30
€98.62 tax excl.
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Manufacturer: LongWei

Product description: LongWei Laboratory Power Supply LW-3010E 0-30 V 10 A

A programmablelaboratory power supplyunit enabling voltage regulationfrom 0 V to 30 Vand current regulationfrom 0 A to 10 A. The device has an easy-to-read three-level display, which shows the values of voltage, current and power. The LongWei LW-3010E can operate in the following modes: constant voltage output stabilization(C.V) andconstant curentcurrent output stabilization(C.C). Their current status is indicated by indicators on the front panel of the device. LW-3010E is a switched-mode power supply with fan cooling. TheRS485communication port is located in the rear part of the device.

Zasilacz laboratoryjny LongWei LW-3010E

TheLongWei LW-3010E laboratory powersupply.

LongWei LW-3010E - widok przedniego panelu

View of the front panelof the LongWei LW-3010E.

Description of the buttons controlling the laboratory power supply

  • C.V (Constant Voltage) - input voltage stabilisation indicator
  • C.C (Constant Current) - output current stabilization indicator
  • Lock - button locking the buttons of the control panel
  • OCP (Overcurrent Protection) - overcurrent protection button
  • OVP (Overvoltage Protection) - voltage protection button
  • OFF / ON - start / stop button of the PSU output
  • M1, M2, M3, M4 - buttons of the operating parameters memory
  • <<<, >>>- buttons for editing current and voltage parameters of the PSU
  • Voltage / Current - button for editing the voltage / current value
  • A knob for setting an appropriate voltage / current value
  • ON / OFF - the button of switching the device on
  • Black socket (Output Terminal Negative) - "-" output terminal
  • Yellow socket (Output Terminal Ground) - Ground terminal
  • Red socket (Output Terminal Positive) - "+" output terminal

Specifications of the LongWei LW-3010E laboratory power supply

  • Output Voltage Range: 0V to 30V
  • Output current range: from 0 A to 10 A
  • Operating parameters:
    • AC voltage 220 V / 110 V ± 10% (switch on the back of the case)
    • Operating temperature: 0°C to 40°C, relative humidity: ≤ 80% RH
    • Storage temperature: -40°C to 85°C, relative humidity: ≤ 80% RH
  • Output power: up to 300 W
  • Ripple in C.V and C.C mode
    • Voltage: ≤ 30 mVrms
    • Current: ≤ 20 mArms
  • Parameter setting accuracy
    • Voltage: 0.01 V
    • Current: 0.001 A
  • Stabilization factor
    • Voltage: ≤ 0.2% + 1 mV
    • Current: ≤ 0.2% + 10 mA
  • Load Stabilization Factor
    • Voltage (C.V): 0.25% + 1 mV
    • Current (C.C): 0.25% +10 mA
  • Built-in protection against exceeding the permissible values
    • OCP - current protection
    • OVP - voltage protection
    • OTP - temperature protection
    • OPP - overload protection
  • RS485 communication interface
  • Built-in fan in the rear part of the casing
  • Handle for transporting the device
  • Dimensions: 237 x 111 x 162 mm
  • Weight: 2.3 kg

Contents of the set

  • LongWei Laboratory Power Supply LW-3010E
  • Power cord
  • Crocodile - banana cables
Tylna część urządzenia


The rear part of the device with the switch to select 110 V / 220 V.

Voltage output from 0 V
Output voltage to 30.0 V
Nominal power 300 W
Current 30 A
Power supply - type laboratory
Power supply - Plug crocodile clips

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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