Key Features and Benefits:
Wide Voltage and Current Range:
Voltage range: 0 to 500 V.
Current range: 0 to 120 A, accommodating various power requirements.
Modular Configuration:
Supports up to 4 modules/8 channels or 8 modules/16 channels with mainframe extension for expanded capabilities.
Transient Load Performance:
Transient mode operation up to 25 kHz for dynamic load testing.
Synchronous Load Control:
Synchronous Load On/Off function for coordinated testing of multiple channels.
Adjustable Slew Rate:
Slew rate adjustment in CC mode for controlled loading behavior.
Comprehensive Connectivity:
Interfaces include standard LAN, GPIB, USB, and RS232 with USBTMC/SCPI protocol support for easy integration into test systems.
Short Circuit Testing:
Capability to simulate a short at the input for thorough safety testing.
Precision Measurement:
Built-in 16-bit resolution for voltage and current measurement (0.1 mV, 0.01 mA) ensures accurate results.
Remote voltage sensing compensates for voltage drop effects in wiring.
Parallel Operation:
Identical modules can operate in parallel mode for high current applications.
Protection Features:
Over Voltage Protection (OVP), Over Current Protection (OCP), Over Power Protection (OPP), Over Temperature Protection (OTP), and reverse voltage protection to safeguard equipment.
Module Overview:
| Model | Max Voltage | Max Current | Max Power | Type | Inputs |
| MDL4U200 | 80 V | 40 A | 200 W | Single | 1 |
| MDL4U002 | n/a | n/a | 2400 W | Mainframe | n/a |
| MDL4U400 | 80 V | 60 A | 400 W | Single | 1 |
| MDL4U001 | n/a | n/a | 2400 W | Mainframe | n/a |
| MDL4U305 | 500 V | 20 A | 300 W | Single | 1 |
| MDL4U252* | 80 V | 20 A | 250 W | Dual | 2 |
| MDL4U600 | 80 V | 120 A | 600 W | Single | 1 |
| MDL4U302* | 80 V | 45 A | 300 W | Dual | 2 |
| MDL4U505 | 500 V | 30 A | 500 W | Single | 1 |
The MDL4U Series provides a robust and flexible solution for electronic load testing, meeting the demands of engineers and technicians in various fields of power electronics.