Electronic Loads Selection Chart
What is an Electronic Load?
An electronic load is a programmable instrument designed to test power sources by simulating a variety of electrical loads. Unlike simple resistive loads, electronic loads use active semiconductor circuits to dynamically sink current and dissipate power. This allows for precise, repeatable testing under various operating modes, such as constant current (CC), constant voltage (CV), constant resistance (CR), and constant power (CP).
Key advantages over conventional resistive loads include: •Compact and Space-Saving: Occupies significantly less bench or rack space, reflecting Matsusada's expertise in high-density design. •Efficient Heat Management: Generates less heat, simplifying thermal considerations in test setups. •Simplified & Automated Testing: Automates complex load simulations, eliminating the need for manual calculations and adjustments.
Matsusada Precision offers a comprehensive lineup of high-performance DC electronic loads and regenerative electronic loads (bidirectional power supplies). Our portfolio ranges from compact benchtop models ideal for R&D to high-power, rack-mountable systems for production testing. To meet even greater power and current demands, select models can be expanded with booster units. All our electronic loads feature standard communication interfaces, enabling seamless integration into automated test environments and multi-channel systems.
DC Electronic Load and Regenerative Electronic Load (Bidirectional Power Supply) Selection Guide
| Types | DC Electronic Loads | Regenerative Electronic Loads (Bidirectional Power Supplies) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Series | EGS | EGD | EZD | EW | PBR | PBRM | |||||||
|
Image (model) |
EGS75W-18V
|
EGS75W-36V
|
EGS75W-60V
|
EGD150W-150V
|
EGD200W-150V
|
EZD650V-330W
|
EZD650V-1000W
|
EZD650V-2000WB (Booster)
|
EW150V-1200W
|
EW150V-2400W
|
EW150V-2400WB (Booster)
|
19 models
|
45 models
|
| Load power | 75W | 75W | 75W | 150W | 200W | 330W | 1000W | 2000W | 1200W | 2400W | 2400W | 5KW,10kW,15kW, Max. 150kW |
30kW to 150kW |
| Max. Voltage | 18V | 36V | 60V | 150V | 150V | 650V | 650V | 650V | 150V | 150V | 150V | 80V to 1500V | 80V to 1500V |
| Max. Current | 10A | 5A | 2A | 30A | 30A | 16.5A | 50A | 100A | 240A | 480A | 480A | 20A to 360A | 60A to 3600A |
| Range func. | - | - | - | - | - | High/Low | High/Low | - | High/Low | High/Low | - | - | - |
| CC mode | - | - | |||||||||||
| CR mode | - | - | |||||||||||
| CV mode | - | - | - | - | |||||||||
| CP mode | - | - | - | - | - | - | - | ||||||
| Automatic mode | - | - | - | - | - | - | - | - | - | ||||
| CC and CR mode | - | - | - | - | - | - | - | - | - | - | - | - | - |
| CC and CV mode | Option | Option | Option | - | - | - | - | - | - | - | - | ||
| CR and CV mode | - | - | - | - | - | - | - | - | - | - | - | ||
| CP and CV mode | - | - | - | - | - | - | - | - | - | - | - | ||
| Short mode | - | - | - | - | - | - | - | - | - | ||||
| VI mode | - | - | - | - | - | - | - | - | - | - | - | ||
| Master/Slave |
 16 units |
16 units |
16 units |
16 units |
16 units |
4 units |
4 units |
- |
4 units |
4 units |
- |
10 units |
- |
| External Analog remote control | - | - | - |
|
|
|
|
- |
|
|
- |
|
|
| LAN | Additional adapter | Additional adapter | Additional adapter | Additional adapter | Additional adapter | Additional adapter | Additional adapter | - | - | ||||
| USB | Option or Adapter | Option or Adapter | Option or Adapter | Additional adapter | Additional adapter | Additional adapter | Additional adapter | - | - | ||||
| RS-232C | Additional adapter | Additional adapter | Additional adapter | Additional adapter | Additional adapter | Additional adapter | - | Additional adapter | Additional adapter | - | Option | Option | Option |
| Sequence | - | - | - | - | - | - | - | ||||||
| Features | Compact, benchtop slim type, dedicated shelf for multiple channels | Compact, benchtop | Multifunctional, half-rack size, 19" rack size, up to 9kW with booster | Intelligent, high-power, expandable up to 12 kW with booster | Compact, high-power with regenerative function, energy recovery | Regenerative, high-power, 19" rack type | |||||||
| Series | EGS | EGD | EZD | EW | PBR | PBRM | |||||||
*Booster Unit: A slave unit that expands the current/power capacity of a master unit. It operates under the control of the master.
Features
•EGS/EGD series: Compact, slim benchtop design, ideal for R&D and quality control. A dedicated rack shelf is available for building multi-channel test systems. •EZD series: Versatile and multifunctional models in space-saving half-rack and standard 19-inch rack sizes. Expandable up to 9 kW with booster units for demanding applications. •EW series: High-performance, intelligent electronic loads featuring advanced functions and high power density. Expandable up to 12 kW with booster units. •PBR series: Highly efficient bidirectional power supply with a regenerative function. It significantly reduces energy consumption and testing costs by returning absorbed power to the grid. •PBRM series: High-power, rack-mountable regenerative systems engineered for the most demanding industrial and research applications.