EL Series Programmable DC Electronic Load

High-density Programmable DC Electronic Load Voltage: 200V/600V/1200V Power: 600W-73.5kW Size: 2U, 3U, 4U, 7U, 10U, 13U, 30U, 36U, 42U Interface: LAN, USB, RS-232 and RS-485, optional GPIB and CAN Specifications
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EL series programmable DC electronic loads feature wide current and voltage range; voltage ranges 200V/600V/1200V (for different models), single-unit power up to 27.9kW. Multi-unit connection is supported, via master/slave parallel connection, power can be up to 558kW. High power density, up to 8.1kW for 4U size. Complete protections are equipped.

Features Flip front panel and color touch screen, granting accurate display and convenient operation; 4 basic working modes: CV/CC/CR/CP; 3 complex working modes: CV CC/CV CR/CR CC; Adjustable current slew rate and CV loop speed; High-precision voltage and current measurement; Automatic OCP/OPP testing; Up to 50kHz CC/CR dynamic mode; Up to 500kHz voltage and current sampling rate; Timing function & battery discharge testing function; Load short-circuit simulation function; Auto mode, one-key operation for complex testing; Dynamic frequency sweep function, to simulate different loads under different situations; External analog control interface; V-monitor/I-monitor functions; Complete protections, including OVP, OCP, OPP, OTP, reverse-alarm, etc. Parallel connection with master/slave mode, up to 20 units can be parallel connected at maximum; USB interface in standard configuration, supporting data import/export; Smart fan control system, which is quiet and eco-friendly; Multiple versions for needs of different customers. Applications Industrial motor; Server power source; UPS High voltage UPS; DC charging pole; Electronic parts; Car charger; Battery pack. Functions
Flip Front Panel & Color Touch Screen
EL series programmable DC electronic loads equip flip front panel and large color touch screen (except some models) with graphic user interface, offering convenient operation, real-time and accurate display.
7 Working Modes
4 basic working modes: CV/CC/CR/CP and 3 complex working modes: CV CC/CV CR/CR CC, satisfying requirements of various tests.
CC (Constant Current) Mode:
1.Load regulation test;
2.Battery charge/discharge time test & lifespan test;
3.Fuel cell test;
4.DC motor load current test;

CV (Constant Voltage) Mode:
1.Charing pole test;
2.Foldback current limit test;
3.Fuel cell test;
4.Current source test.

CR (Constant Resistance) Mode:
1.Telecom power system soft start test;
2.LED driver test;
3.Vehicle climate control system on-load condition simulation.

CP (Constant Power) Mode:
1.Constant-power supply test;
2.Battery capacity & lifespan tests.
Complex Modes:
CV CC Mode: Load simulation for battery, charging pole, car charger, etc.

CV CR Mode: LED characteristic test.

CR CC Mode: Power source start-up test.

Dynamic Load Modes, Switching Frequency up to 50kHz
High-frequency switching between different values under the same operating mode. Dynamic CC, CV, CR, CP modes are supported, up to 50kHz switch frequency for CC/CR dynamic modes. Dynamic load function is suitable for power supply transient testing, battery protection testing, battery pulse charging, etc. 3 dynamic load modes are offered: continuous, pulse and toggle. Different Versions for Different Needs Specifications

Model	Voltage	Current	Power	Voltage Resolution	Current Resolution	Voltage Accuracy	Current Accuracy	Size
EL40VDC3400W	40V	620A	3400W	0.1mV	0.5mA	0.015% 0.015%F.S.	0.1% 0.05%F.S.	3U
EL40VDC4400W	40V	800A	4400W	0.1mV	0.5mA	0.015% 0.015%F.S.	0.1% 0.05%F.S.	3U
EL40VDC5600W	40V	1020A	5600W	0.1mV	1mA	0.015% 0.015%F.S.	0.1% 0.05%F.S.	3U
EL40VDC6600W	40V	1200A	6600W	0.1mV	1mA	0.015% 0.015%F.S.	0.1% 0.05%F.S.	4U
EL200VDC600W	200V	60A	600W	0.1mV	0.1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	2U
EL200VDC1200W	200V	130A	1200W	0.1mV	0.1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	2U
EL200VDC1800W	200V	190A	1800W	0.1mV	0.1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	2U
EL200VDC2400W	200V	260A	2400W	0.1mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	2U
EL200VDC3000W	200V	320A	3000W	0.1mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	2U
EL200VDC3400W	200V	370A	3400W	0.1mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	3U
EL200VDC4400W	200V	480A	4400W	0.1mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	3U
EL200VDC5600W	200V	610A	5600W	0.1mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	3U
EL200VDC6600W	200V	720A	6600W	0.1mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	4U
EL200VDC8100W	200V	720A	8100W	0.1mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	4U
EL200VDC8800W	200V	960A	8800W	0.1mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL200VDC10300W	200V	960A	10300W	0.1mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL200VDC11000W	200V	1200A	11000W	0.1mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL200VDC12500W	200V	1200A	12500W	0.1mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL200VDC13200W	200V	1440A	13200W	0.1mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL200VDC14700W	200V	1440A	14700W	0.1mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL200VDC15400W	200V	1680A	15400W	0.1mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL200VDC16900W	200V	1680A	16900W	0.1mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL200VDC17600W	200V	1920A	17600W	0.1mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL200VDC19100W	200V	1920A	19100W	0.1mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL200VDC19800W	200V	2160A	19800W	0.1mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL200VDC21300W	200V	2160A	21300W	0.1mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL200VDC22000W	200V	2400A	22000W	0.1mV	4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL200VDC23500W	200V	2400A	23500W	0.1mV	4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL200VDC24200W	200V	2640A	24200W	0.1mV	4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL200VDC25700W	200V	2640A	25700W	0.1mV	4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL200VDC26400W	200V	2880A	26400W	0.1mV	4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL200VDC27900W	200V	2880A	27900W	0.1mV	4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL600VDC600W	600V	40A	600W	0.5mV	0.1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	2U
EL600VDC1200W	600V	90A	1200W	0.5mV	0.1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	2U
EL600VDC1800W	600V	130A	1800W	0.5mV	0.1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	2U
EL600VDC2400W	600V	180A	2400W	0.5mV	0.2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	2U
EL600VDC3000W	600V	220A	3000W	0.5mV	0.2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	2U
EL600VDC3400W	600V	250A	3400W	0.5mV	0.4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	3U
EL600VDC4400W	600V	320A	4400W	0.5mV	0.4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	3U
EL600VDC5600W	600V	410A	5600W	0.5mV	0.4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	3U
EL600VDC6600W	600V	480A	6600W	0.5mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	4U
EL600VDC8100W	600V	600A	8100W	0.5mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	4U
EL600VDC8800W	600V	640A	8800W	0.5mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL600VDC10300W	600V	760A	10300W	0.5mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL600VDC11000W	600V	800A	11000W	0.5mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL600VDC12500W	600V	920A	12500W	0.5mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL600VDC13200W	600V	960A	13200W	0.5mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL600VDC14700W	600V	1080A	14700W	0.5mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL600VDC15400W	600V	1120A	15400W	0.5mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL600VDC16900W	600V	1240A	16900W	0.5mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL600VDC17600W	600V	1280A	17600W	0.5mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL600VDC19100W	600V	1400A	19100W	0.5mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL600VDC19800W	600V	1440A	19800W	0.5mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL600VDC21300W	600V	1560A	21300W	0.5mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL600VDC22000W	600V	1600A	22000W	0.5mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL600VDC23500W	600V	1720A	23500W	0.5mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL600VDC24200W	600V	1760A	24200W	0.5mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL600VDC25700W	600V	1880A	25700W	0.5mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL600VDC26400W	600V	1920A	26400W	0.5mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL600VDC27900W	600V	2040A	27900W	0.5mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL1200VDC1200W	1200V	45A	1200W	1mV	0.1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	2U
EL1200VDC2400W	1200V	90A	2400W	1mV	0.1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	2U
EL1200VDC3400W	1200V	125A	3400W	1mV	0.2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	3U
EL1200VDC4400W	1200V	160A	4400W	1mV	0.2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	3U
EL1200VDC5600W	1200V	205A	5600W	1mV	0.2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	3U
EL1200VDC6600W	1200V	240A	6600W	1mV	0.2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	4U
EL1200VDC8100W	1200V	300A	8100W	1mV	0.2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	4U
EL1200VDC8800W	1200V	320A	8800W	1mV	0.4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL1200VDC10300W	1200V	380A	10300W	1mV	0.4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL1200VDC11000W	1200V	400A	11000W	1mV	0.4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL1200VDC12500W	1200V	460A	12500W	1mV	0.4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL1200VDC13200W	1200V	480A	13200W	1mV	0.4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL1200VDC14700W	1200V	540A	14700W	1mV	0.4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	7U
EL1200VDC15400W	1200V	560A	15400W	1mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL1200VDC16900W	1200V	620A	16900W	1mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL1200VDC17600W	1200V	640A	17600W	1mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL1200VDC19100W	1200V	700A	19100W	1mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL1200VDC19800W	1200V	720A	19800W	1mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL1200VDC21300W	1200V	780A	21300W	1mV	0.5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	10U
EL1200VDC22000W	1200V	800A	22000W	1mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL1200VDC23500W	1200V	860A	23500W	1mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL1200VDC24200W	1200V	880A	24200W	1mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL1200VDC25700W	1200V	940A	25700W	1mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL1200VDC26400W	1200V	960A	26400W	1mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U
EL1200VDC27900W	1200V	1020A	27900W	1mV	1mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	13U

Model	Voltage	Current	Power	Voltage Resolution	Current Resolution	Voltage Accuracy	Current Accuracy	Size
ELS200VDC39600W-7-30	200V	3000A	39.6kW	0.1mV	3mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	30U
ELS200VDC44100W-7-30	200V	3000A	44.1kW	0.1mV	3mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	30U
ELS200VDC52800W-7-36	200V	3000A	52.8kW	0.1mV	4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	36U
ELS200VDC58800W-7-36	200V	3000A	58.8kW	0.1mV	4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	36U
ELS200VDC66000W-7-42	200V	3000A	66kW	0.1mV	5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	42U
ELS200VDC73500W-7-42	200V	3000A	73.5kW	0.1mV	5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	42U
ELS600VDC39600W-7-30	600V	2880A	39.6kW	0.5mV	3mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	30U
ELS600VDC44100W-7-30	600V	3000A	44.1kW	0.5mV	3mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	30U
ELS600VDC52800W-7-36	600V	3000A	52.8kW	0.5mV	4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	36U
ELS600VDC58800W-7-36	600V	3000A	58.8kW	0.5mV	4mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	36U
ELS600VDC66000W-7-42	600V	3000A	66kW	0.5mV	5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	42U
ELS600VDC73500W-7-42	600V	3000A	73.5kW	0.5mV	5mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	42U
ELS1200VDC39600W-7-30	1200V	1440A	39.6kW	1mV	1.2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	30U
ELS1200VDC44100W-7-30	1200V	1620A	44.1kW	1mV	1.2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	30U
ELS1200VDC52800W-7-36	1200V	1920A	52.8kW	1mV	1.6mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	36U
ELS1200VDC58800W-7-36	1200V	2160A	58.8kW	1mV	1.6mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	36U
ELS1200VDC66000W-7-42	1200V	2400A	66kW	1mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	42U
ELS1200VDC73500W-7-42	1200V	2700A	73.5kW	1mV	2mA	0.015% 0.015%F.S.	0.04% 0.04%F.S.	42U

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