EL Series Programmable DC Electronic Load

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High-density Programmable DC Electronic Load

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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