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PEL-3535H - (800V/ 262.5A/ 5250W) Single-Channel Programmable D.C. Electronic Load


The PEL-3000 series, a single-channel, programmable D.C. electronic load with 0.01mA current resolution and 16A/μs current Slew Rate, is very ideal for testing server power supply and SPS (Switching Power Supply) for commercial and industrial computers. For a heavy-duty device like cloud ecosystem running 24-hour nonstop operations, a stable and high-power power supply, ranging from 175W to 1050W, is required to maintain the normal operation of server, Hub, and the equipment of data storage and internet communications. Owing to the increasing demand of data transmission and large scale data storage of telecommunications systems, the infrastructure of internet communications is in the pace of rapid expansion. This has greatly boosted the market demand of telecommunications equipment powered by power supply of 2000W and above. The flexible power combination of PEL-3000 meets the test requirements of present high-power power supply.

The PEL-3000H programmable DC Electronic load, which not only inherited functions and features from the PEL-3000 series but providing three current ranges for all PEL-3000H series and adding voltage monitor BNC terminals on the front panel. The PEL-3000H series, a single-channel, programmable D.C. electronic load with 800V and 0.84A/μs current Slew Rate, is ideal for the test of the high voltage devices such as the EV & HEV in-vehicle chargers, DC/DC converters or high-voltage batteries.

  • Operating voltage (DC):0~150V(PEL-3000)/ 0~800V(PEL-3000H)
  • Operating Mode : C.C / C.V / C.R / C.P / CC+CV / CR+CV / CP+CV
  • Parallel Connection of Inputs for Higher Capacity (Max : 9,450W)
  • Support of High Slew Rate:Max. 16A/us((PEL-3000)/ 0.84A/us(PEL-3000H)
  • Run Program Function(GO/NO GO Test)
  • Sequence Function for High Efficient Load Simulations
  • Commands are compatible with Kikusui PLZ-4W model.
  • Dynamic(Switching) Function:0.0166Hz ~20kHz
  • Soft Start Function:Off / On(1~200ms, Res:1ms)
  • Adjustable OCP / OVP / OPP / UVP Setting
  • Short Circuit Function
  • Timer function : Elapsed Time of load on
  • Cut Off Time(Auto Load Off Timer ):1s to 999h 59min 59s or Off
  • External Channel Control / Monitoring via Analog Control Connector
  • Setup Memories:100 sets
  • 3.5 Inch TFT LCD Display
  • Multi Interface : USB 2.0 Device / Host , RS-232 , GPIB (Optional)

CR Mode

Accuracy of setting
H, M±(0.5 % of set*6 + 0.5 % of f.s.*1) + Vin*2/3.24MΩ : Alone operation specifications
L±(0.5 % of set*6 + 0.5 % of f.s.) + Vin*2/3.24MΩ : Alone operation specifications
Operating Range
L525mS ~ 0.9mS (1.90476Ω ~ 111.111kΩ)
H52.5S ~ 0.9mS (19.0476mΩ ~ 1.11111kΩ)
M5.25S ~ 0.9mS (190.476mΩ ~ 11.1111kΩ)

CC Mode

Operating Range
H0 ~ 262.5A
M0 ~ 26.25A
L0 ~ 2.625A
Accuracy of setting
H, M±(0.2 % of set + 0.1 % of f.s*1) + Vin*2/ 3.24MΩ
L±(0.2 % of set + 0.1 % of f.s) + Vin*2/3.24 MΩ


Minimum Operating Voltage
Input Resistance0.648MΩ
Operating voltage(DC)0V~800V
Input Range90VAC ~ 132VAC/ 180VAC ~ 250VAC Single-phase ; 47Hz~63Hz
InterfaceStd: USB, RS-232, Analog Control; Opt: GPIB
Dimensions(mm) & Weight598(W) x 877(H) x 706(D), Approx. 127.5kg

CV Mode

Operating Range
Accuracy of Setting
H, L±(0.1 % of set + 0.1 % of ƒ.s)

CP Mode

Operating Range
H0W ~ 5250W
M0W ~ 525W
L0W ~ 52.5W
Accuracy of Setting
L±(0.6 % of set + 1.4 % of f.s) + Vin*Vin*3/3.24 MΩ) : Alone operation specifications
H, M±(0.6 % of set + 1.4 % of f.s*3) + Vin*Vin*3/3.24 MΩ : Alone operation specifications

Slew Rate

Operation ModeCC, CR
Setting Range (CC mode)
H4.2mA/µs ~ 840mA/µs
M420µA/µs ~ 84mA/µs
L42µA/µs ~ 8.4mA/µs
Setting Range (CR mode)
H420µA/µs ~ 84mA/µs
M42µA/µs ~ 8.4mA/µs
L4.2µA/µs ~ 840µA/µs
Accuracy of setting±(10% of set + 25µs)
Resolution 1.5mA420mA/µs ~ 840mA/µs
Resolution 150μA42mA/µs ~ 84mA/µs
Resolution 15μA4.2mA/µs ~ 8.4mA/µs
Resolution 1.5μA420µA/µs ~ 84mA/µs
Resolution 150nA42µA/µs ~ 8.4mA/µs
Resolution 15nA4.2µA/µs ~ 0.84mA/µs


Voltmeter Accuracy±(0.1 % of rdg + 0.1 % of ƒ.s)
Ammeter Accuracy±(1.2 % of rdg + 1.1 % of ƒ.s)

Dynamic Mode

Operation modeCC and CR
T1 & T20.025ms ~ 10ms / Res : 1µs || 10ms ~ 30s/Res:1ms
Accuracy1µS / 1mS ± 100ppm
Slew Rate Setting Range (CC mode)
H4.2mA/µs ~ 840mA/µs
M420µA/µs ~ 84mA/µs
L42µA/µs ~ 8.4mA/µs
Slew Rate Setting Rage (CR mode)
H420µA/µs ~ 84mA/µs
M42µA/µs ~ 8.4mA/µs
L4.2µA/µs ~ 840µA/µs
Current Accuracy±0.4%F.S.

Protection Functions

FunctionsOvervoltage protection(OVP), Overcurrent protection(OCP), Overpower protection(OPP), Overheat protection(OHP), Undervoltage protection(UVP), Reverse connection protection(REV)

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