• EGD series
  • EGD series
  • EGD series
  • EGD series

EGD series

Desktop size DC Electronic Loads

  • Operational Voltage range:
    1.5 Vdc to 150Vdc
  • Max. Current: 30A to 60A
  • Max. Power:
    150W, 200W, and 300W
  • World wide input

Compact Size and High Power

EGD series are best-fitted DC electronic loads to life tests for batteries or DC power supplies, aging test and so on. They are able to build the charge and discharge system combined with our DC power supplies REK series or RK series with LAN, USB, RS-232C, RS-485, or GPIB interface.

Features and Benefits

  • Five units can be placed into a 19 inches Rack of 3U size. (150 W and 200 W models)
  • They are operable in two modes of Constant Current (CC) and Constant Resistance (CR).
  • World wide input is applicable to any commercial electric power sources in the world.
  • Package control to 16 units is possible.


Model Maximum load power [W]
EGD150W-150V 150
EGD200W-150V 200
EGD300W-150V* Coming soon 300

* The load time of this model is different from other model's, so please contact our sales office for details.


EGD series is light and compact!

Maximum load capacity 200W is realized

At the evaluation test of compact battery which is not so much large, we also hope to place the load device compactly.
EGD series are just fitted the best electronic load for such situation.
They can be utilized in Stand-Alone with operation on the front panel.

Weight: approx 3.6 kg

EGD serie

They can be utilized as DC electronic load of multi-channels

If the dedicated adapter (Sold separately) are used, maximum Five units of EGD series are placed in a rack of 19 inches and they can be utilized as a DC electronic load with multi-channel.

Following combination is able.

150 W and 200 W Models 300 W Model ch No.
5 units - 5 ch
4 units - 4 ch
3 units - 3 ch
2 units 1 units 3 ch
1 units 1 units 2 ch
- 2 units 2 ch

Digital interface

In addition to digital control via USB, LAN, RS-232C, RS-485, or GPIB collective control is enabled in the master/slave operation.

Adapters (separately sold)

An adapter is required separately, when using the Adapter. The following adapters are available according to the connection method between PC and sequencer.

CO-E32m: Adapter for LAN
Total 16 units can be connected to one CO-E32m.
LAN cable is not provided.
CO-U32m: Adapter for USB
Total 16 units can be connected to one CO-U32m.
USB cable is not provided.
CO-MET2-9: Adapter for RS-232C (9 pin)
Total 16 units can be connected to each CO-MET2-9.
CO-MET2-25: Adapter for RS-232C (25 pin)
Total 16 units can be connected to each CO-MET2-25.
CO-MET4-25: Adapter for RS-485 (25 pin)
Total 16 units can be connected to each CO-MET4-25.
CO-G32m: Adapter for GPIB
Total 16 units can be connected to one CO-G32m.
GPIB cable is not provided.

For details, refer to CO/USB series datasheet.

-LGmb Digital interface board
(A) CO-M cable
A two-meter cable is provided in each unit without interface option. If you need a longer cable, please consult with our sales staff.

Master/Slave control

The operations of up to 16 EG devices can be controlled from the master unit. (Not for increasing current by parallel connection)

Electronic load EGD Series Master slave... up to 16 units
In master/slave control, the connection will be made between the same models.

Remote control

Switching Remote/Local

Switching Remote/Local
Model External Relay TTL
remote short LOW
local open HIGH

Load control and operation modes can be changed with relay or TTL signal.

Load Control

Load Control
Load Resistance/
Load Current
Control Voltage R
MIN to MAX 0 to 10 V
Input impedance 500 kΩ
0 Ω to approx. 10 kΩ

Voltage/Current Monitor

Voltage/Current Monitor
Input Voltage/current
0 to Max.
0 Vdc to 10 Vdc
Output Impedance 1 kΩ
0 Vdc to 10 Vdc
Output Impedance 1 kΩ

Status Output

Status Output

FLT...ON at the abnormal conditions
(ON at statuses of OCP, OVP, OPP, UVP, and OTP)

COMMON is floating at open collector output.
Withstand Voltage: 30 Vdc, Sink Current: ≤ 5 mA

Remote switch ON/OFF

Remote switch
Output Relay Open collector
ON Short VCE ≤ 0.4 V
OFF Open VCE ≥ 2 V

Sink current: 1 mA


For details, download the datasheet below.


-L(Mc0.5), -L(Mc0.15): Changing cable length

Length of CO-M cable is 0.5 m or 0.15 m, respectively. (Please select either one.)

How to Order

When ordering, add Option No. to Model No.


AC Input Cable

125 V/10 A
  • CABLE TYPE 1 Power Input End
  • CABLE TYPE 1 Input Plug
Sold separately
250 V/10 A
  • CABLE TYPE 3 Power Input End
  • CABLE TYPE 3 Input Plug
Sold separately
250 V/10 A
  • CABLE TYPE 4 Power Input End
  • CABLE TYPE 4 Input Plug


For details, download the datasheet below.


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