PLW

Model: PLW
Voltage: 60–1200 Vdc
Current: 10–5000 Adc
Power: 6–250 kW
Overview: Water-cooled programmable DC electronic load

  • Overview +


    AMREL eLoad PLW Series
    Traditional DC Electronic Load Solutions are bulky and large in size. Most are offered with standard voltage, current and power ratings. In the automated test equipment (ATE) world, rack space is a highly coveted asset and application demands are constantly diversifying with new technology development.

    AMREL's PLW Series of “water-cooled” DC Electronic eLoads are capable of being custom-tailored to meet your specific application requirements. The PLW Series also offers a unique condensation protection design, the highest power density and current rating, as well as the widest selection of high-voltage models on the market.
    PLW Series Features and Benefits
    Closed-case Calibration
    With the PLW eLoad line, there's no longer a need to send your electronic load back to the factory for calibration or to remove dozens of screws to reach a potentiometer. Simply follow the AMREL calibration routine from the front panel and you should be back up and running in a very short period of time (some electronic test equipment needed). This will virtually eliminate downtime and eradicate the annual cost associated with shipping your eLoad back to the factory for calibration.

    Individual FET Protection
    To ensure the reliability of the PLW Series, AMREL's design includes individual FET protection. A programmable electronic load may contain many FETs in parallel, which can create a cascading failure if one of them was to short out. AMREL's eLoad programmable electronic load design isolates failures so other components will not be affected or stressed, increasing the system's level of protection against catastrophic failure. With individual FET protection, the MTTR is reduced and the electronic load quickly returns to full operation.

    Ultra-low Voltage Operation
    The PLW design allows the programmable electronic load to operate at voltage levels approaching .1V. They will typically dissipate full rated current below 1% of their maximum rated voltage. For example, a 60V unit designed to dissipate 1500A will allow the user to operate at .6V and still dissipate the full amount.

  • Specifications +


    AMREL eLoad PLW Series Specifications
    General
    Models Power Input (MAX) Voltage (V) (MAX) Current (A) (MAX)
    PLW6K-60-1000 6000 60 1000
    PLW6K-120-600 6000 120 600
    PLW6K-400-300 6000 400 300
    PLW6K-600-200 6000 600 200
    PLW6K-800-25 6000 800 25
    PLW6K-1000-25 6000 1000 25
    PLW9K-60-1500 9000 60 1500
    PLW9K-120-1000 9000 120 1000
    PLW9K-400-400 9000 400 400
    PLW9K-600-300 9000 600 300
    PLW9K-800-40 9000 800 40
    PLW9K-1000-40 9000 1000 40
    PLW12K-60-1500 12000 60 1500
    PLW12K-120-1200 12000 120 1200
    PLW12K-400-600 12000 400 600
    PLW12K-600-400 12000 600 400
    PLW12K-800-50 12000 800 50
    PLW12K-1000-50 12000 1000 50
    PLW18K-60-1500 18000 60 1500
    PLW18K-120-1500 18000 120 1500
    PLW18K-400-800 18000 400 800
    PLW18K-600-600 18000 600 600
    PLW18K-800-75 18000 800 75
    PLW18K-1000-75 18000 1000 75
    PLW24K-60-1500 24000 60 1500
    PLW24K-120-1500 24000 120 1500
    PLW24K-400-1200 24000 400 1200
    PLW24K-600-800 24000 600 800
    PLW24K-800-100 24000 800 100
    PLW24K-1000-100 24000 1000 100
    PLW36K-60-1500 36000 60 1500
    PLW36K-120-1500 36000 120 1500
    PLW36K-400-1500 36000 400 1500
    PLW36K-600-1000 36000 600 1000
    PLW36K-800-150 36000 800 150
    PLW36K-1000-150 36000 1000 150
    Note: Higher power available. Please contact the factory.
    General
    Models CR Low (min) Ω CR High (max) Ω Vmin at Imax LxWxH & Weight
    PLW6K-60-1000 0.0150 60 0.9 2U, 27.5"D
    PLW6K-120-600 0.0125 200 1.5 2U, 27.5"D
    PLW6K-400-300 0.0090 1333.3 3.6 2U, 27.5"D
    PLW6K-600-200 0.0200 3000 12 2U, 27.5"D
    PLW6K-800-25 0.0075 32000 6 2U, 27.5"D
    PLW6K-1000-25 0.0060 40000 6 2U, 27.5"D
    PLW9K-60-1500 0.0150 40 0.9 2U, 27.5"D
    PLW9K-120-1000 0.0125 120 1.5 2U, 27.5"D
    PLW9K-400-400 0.0090 1000 3.6 2U, 27.5"D
    PLW9K-600-300 0.0200 2000 12 2U, 27.5"D
    PLW9K-800-40 0.0075 20000 6 2U, 27.5"D
    PLW9K-1000-40 0.0060 25000 6 2U, 27.5"D
    PLW12K-60-1500 0.0125 40 0.75 2U, 27.5"D
    PLW12K-120-1200 0.0130 100 1.56 2U, 27.5"D
    PLW12K-400-600 0.0090 666.6 3.6 2U, 27.5"D
    PLW12K-600-400 0.0200 1500 12 2U, 27.5"D
    PLW12K-800-50 0.0075 16000 6 2U, 27.5"D
    PLW12K-1000-50 0.0060 20000 6 2U, 27.5"D
    PLW18K-60-1500 0.0100 40 0.6 2U, 27.5"D
    PLW18K-120-1500 0.0125 80 1.5 2U, 27.5"D
    PLW18K-400-800 0.0090 500 3.6 2U, 27.5"D
    PLW18K-600-600 0.0200 1000 12 2U, 27.5"D
    PLW18K-800-75 0.0075 10666.6 6 2U, 27.5"D
    PLW18K-1000-75 0.0060 13333.3 6 2U, 27.5"D
    PLW24K-60-1500 0.0075 40 0.45 4U, 27.5"D
    PLW24K-120-1500 0.0100 80 1.2 4U, 27.5"D
    PLW24K-400-1200 0.0090 333.3 3.6 4U, 27.5"D
    PLW24K-600-800 0.0200 750 12 4U, 27.5"D
    PLW24K-800-100 0.0075 8000 6 4U, 27.5"D
    PLW24K-1000-100 0.0060 10000 6 4U, 27.5"D
    PLW36K-60-1500 0.0075 40 0.45 4U, 27.5"D
    PLW36K-120-1500 0.0075 80 0.9 4U, 27.5"D
    PLW36K-400-1500 0.0083 266.6 3.3 4U, 27.5"D
    PLW36K-600-1000 0.0167 600 10 4U, 27.5"D
    PLW36K-800-150 0.0075 5333.3 6 4U, 27.5"D
    PLW36K-1000-150 0.0060 6666.6 6 4U, 27.5"D

    Note: Higher powers available.

    Option
    I = Isolated Analog Programming
    E = Ethernet (10/100 Lan) & USB 2.0 Interface
    -XX = Ultra Low Range (xx = UL current rating)

    General
    Models CRH Range Ω CRM Range Ω CRL Range Ω
    Rmin Rmax Rmin Rmax Rmin Rmax
    PLW6K-60-1000 0.6 60 0.06 15 0.0009 0.06
    PLW6K-120-600 2.0 200 0.20 50 0.0025 0.20
    PLW6K-400-300 13.3 1333.3 1.33 333.3 0.0120 1.33
    PLW6K-600-200 30.0 3000 3.00 750 0.0600 3.00
    PLW6K-800-25 320.0 32000 32.00 8000 0.2400 32.00
    PLW6K-1000-25 400.0 40000 40.00 10000 0.2400 40.00
    PLW9K-60-1500 0.4 40 0.04 10 0.0006 0.04
    PLW9K-120-1000 1.2 120 0.12 30 0.0015 0.12
    PLW9K-400-400 10.0 1000 1.00 250 0.0090 1.00
    PLW9K-600-300 20.0 2000 2.00 500 0.0400 2.00
    PLW9K-800-40 200.0 20000 20.00 5000 0.1500 20.00
    PLW9K-1000-40 250.0 25000 25.00 6250 0.1500 25.00
    PLW12K-60-1500 0.4 40 0.04 10 0.0005 0.04
    PLW12K-120-1200 1.0 100 0.10 25 0.0013 0.10
    PLW12K-400-600 6.7 666.6 0.67 166.6 0.0060 0.67
    PLW12K-600-400 15.0 1500 1.50 375 0.0300 1.50
    PLW12K-800-50 160.0 16000 16.00 4000 0.1200 16.00
    PLW12K-1000-50 200.0 20000 20.00 5000 0.1200 20.00
    PLW18K-60-1500 0.4 40 0.04 10 0.0004 0.04
    PLW18K-120-1500 0.8 80 0.08 20 0.0010 0.08
    PLW18K-400-800 5.0 500 0.50 125 0.0045 0.50
    PLW18K-600-600 10.0 1000 1.00 250 0.0200 1.00
    PLW18K-800-75 106.7 10666.6 10.67 2666.6 0.0800 10.67
    PLW18K-1000-75 133.3 13333.3 13.33 3333.3 0.0800 13.33
    PLW24K-60-1500 0.4 40 0.04 10 0.0003 0.04
    PLW24K-120-1500 0.8 80 0.08 20 0.0008 0.08
    PLW24K-400-1200 3.3 333.3 0.33 83.3 0.0030 0.33
    PLW24K-600-800 7.5 750 0.75 187.5 0.0150 0.75
    PLW24K-800-100 80.0 8000 8.00 2000 0.0600 8.00
    PLW24K-1000-100 100.0 10000 10.00 2500 0.0600 10.00
    PLW36K-60-1500 0.4 40 0.04 10 0.0003 0.04
    PLW36K-120-1500 0.8 80 0.08 20 0.0006 0.08
    PLW36K-400-1500 2.7 266.6 0.27 66.6 0.0022 0.27
    PLW36K-600-1000 6.0 600 0.60 150 0.0100 0.60
    PLW36K-800-150 53.3 5333.3 5.33 1333.3 0.0400 5.33
    PLW36K-1000-150 66.7 6666.6 6.67 1666.6 0.0400 6.67
    Constant Resistance Mode
    Transient Time Range :
    CRM / CRH
    Same As CC Mode
    Transient Time Range : CRL Same As CV Mode
    Temperature Coefficient :
    CRM / H
    300 ppm / °C of Minimum Resistance
    Temperature Coefficient : CRL 300 ppm / °C of Maximum Resistance
    Constant Resistance Mode - Program : CR Resolution*2 - 1/16000 Of Rated Value
    *1 All Mode Specification measure by 25˚C room temperature unless otherwise specified
    *2 Transient Mode Specification must be x2
    Common
    Constant Voltage Mode (0-V) V
    CVMedium Range 0 - ( V / 2) V
    CVLow Range 0 - ( / 10) V
    Temp Coefficient 100 ppm / °C of Rated Voltage
    Transient Time Range
    Fast Band(default, Osc1) 0.500 ~ 51.19 ms
    Slow Band(Osc2, Osc3) 0.500 ~ 511.9 ms
    CV Resolutions*2 1/16000 of rated voltage
    CV Accuracy*2 (CVH, CVM, CVL) 0.05% +/- (0.1% x Vmax) V
    Display Specifications
    CV Resolution 1/16000 of Rated Voltage
    CV Accuracy (CVH, CVM, CCL) 0.05% +/- (0.1% x V) V
    Constant Power Mode
    CPHigh Range (0-P) W
    CPMedium Range 0 - (P/2) W @ DC input current ≤ (I/2) A
    CPLow Range 0 - (P/10) W @ DC input current ≤ (I/10) A
    Transient Time Range Same as CC Mode
    Temperature Coefficient 300 ppm / °C of Rated Power
    Constant Power Mode : Program
    CPHigh Accuracy*2 1.00% +/- (Px0.5%) W @ input current > (I/20) A, input voltage > (V/10) V
    CPMedium Range 1.00% +/- (Px0.5%) W @ input current > (I/100) A, input voltage > (V/10) V
    CPLow Range 1.00% +/- (Px0.5%) W @ input current > (I/1000) A, input voltage > (V/5) V
    Program CP Resolution*2 1/16000 of Rated Power
    Constant Current Mode
    CCHigh Range 0 - I A
    CCMedium Range 0 - (I/2) A
    CCLow Range 0 - (I/10) A
    Transient Time Range
    Fast Band (default, Osc1) 0.050 ~ 51.19 ms
    Slow Band (Osc2, Osc3) 0.500 ~ 511.9 ms
    Temperature Coefficient 100 ppm / °C of Rated Current
    Constant Current Mode : Program
    CC Resolution*2 1/16000 of rated current
    CCHigh Accuracy*2 LHM 0.05% +/- (Ix0.1%) A
    Constant Resistance Mode
    Transient Time Range : CRM / CRH Same As CC Mode
    Transient Time Range : CRL Same As CV Mode
    Temperature Coefficient : CRM / H 300 ppm / °C of Minimum Resistance
    Temperature Coefficient : CRL 300 ppm / °C of Maximum Resistance
    Constant Resistance Mode - Program
    CR Resolution*2 1/16000 of rated value
    External Programming Mode
    Monitor Output Signal 0-10 Volts output for 0 to full scale value
    VMON Accuracy 0.10% +/- (Vx0.1%) V
    IMON Accuracy 0.10% +/- (Ix0.1%) A
    Analog Program 0~10 Volts Input yields 0 -- selected full scale loading in all modes
    Accuracy Same As Internal ± 0.1% Rating
    Input Impedance 200 k Ω ± 1 %
    BandWidth(-3dB) Limited By Internal Transient Time
    Remote Interface GPIB / RS-232 / ETHERNET / USB
    Programmable Protection
    Power (OPP)
    Range (Px1.05/800) ~ (Px1.05) W
    Resolution (Px1.05/8000) W
    Accuracy 0.50% +/- (P x 21 / 8000) W
    Voltage (OVP)
    Range (Vx1.05/1600) ~ (Vx1.05) V
    Resolution (Vx1.05/16000) V
    Accuracy 0.20% +/- (Vx1.05/800) V
    Current (OCP)
    Range Ix1.05/1600) ~ (Ix1.05) A
    Resolution (Ix1.05/16000) A
    Accuracy 0.20% +/- (Ix1.05/800) A
    Under Voltage Lockout (UVL)
    Mode Input On / Continuous
    Range ((V/4000*3) ~ Vmax) V
    Resolution (V/4000) V
    Accuracy 2.50% +/- (V/800) V
    Anti-Oscillation Default/ Osc1/ Osc2/ Osc3/ Disable
    Protection
    Over Power (OP) (Px1.05) +/- (Px0.02) W
    Over Voltage (OV) (Vx1.05) +/- (Vx0.02) V
    Over Current (OC) (Ix1.1) +/- (Ix1.1x0.01/1.05) A
    Over Temp (OTP) 50.00 +/- 5.000 °C
    Reverse Max Current (RCP) (Ix1.1) A
    Short Max Current (Ix1.02) A
    Remote Inhibit (RI) Short
    Fault Indicator SPDT Relay (30Vdc/0.5A or 125Vac/0.25A
    General
    AC Input 95~240 Vac 48~62 Hz
    Derating for higher temperatures (-)1.67% Rated Power / °C
    Operating Temperature 5 °C ~ 40 °C
    Fluid
    Valve Normal closed
    Flow Rate (Pmax) >= 1.5~9.0 GPM @ 15 °C Fluid In
    Derating for higher temperatures -3% Rated Power / °C
    Pressure < 80 PSI
    Pipe Size 1/2” NPT Female (<=24kW models, 3/4” for higher power)
    Decondensation Valve thermal control
    Transient Mode
    Frequency Range 0.100 - 10,000 Hz
    Duty Range 1.000 - 100.0%
    Transient Time Accuracy 10.0% +/- 50% of Min Time
    Dielectric Strength
    Primary Circuit To Chassis 1500 Vac for 1 min
    Primary Circuit To Load Terminal 1500 Vac for 1 min
    Load Terminal To Chassis 1500 Vdc for 1 min
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