The ALK series rack-mounted DC power supply is an upgraded and customized version of the rack-mounted DC power supply, featuring a high-power factor and high-precision high-frequency programmable DC switching power supply with the characteristics of a rack-mounted DC power supply. Utilizing full digital control, it offers high control accuracy, rapid response speed, and a wide output adjustment range, catering to various medium to high power applications.
Applicable for laboratory testing, vehicle equipment testing, solar inverter testing, DC/DC converter and inverter testing, engine start testing, battery automatic charging, electronic product life cycle testing, and more.

This power supply features the following:Features:
High power factor, low harmonic.
Supports CC/CV output.
Overvoltage protection, undervoltage protection, overcurrent protection, overpower protection, overtemperature protection, short-circuit protection, and comprehensive all-around protection functions.
Standard 7-inch touchscreen control and display; custom display sizes available.
Parallel operation mode, expanded output power; power combinations from 90KW to 900KW; special specifications available for customization.
Standard RS485 communication interface, protocol open. (Optional CAN communication interface)
Smart fan control, longer fan lifespan, quieter operation.

Specs and Parameters
Communication Input | Input Format | Three-phase four-wire + PE (neutral as control wire) |
Voltage Range | 342Vac~418Vac | |
Power Grid Frequency | 45Hz~65Hz | |
Power Factor | ≥0.98 @ 50% to 100% full load output power | |
THD | ≤5% @ 50% to 100% full load output power | |
Direct Current Output | Voltage Range | Approximately 0Vdc to 1000Vdc |
Current Range | Approximately 0-1000A | |
Stabilized voltage accuracy | ±0.5% (voltage 50~1000V) | |
Voltage Display Accuracy | <±1% | |
Peak voltage ripple factor | ≤1% (Voltage 50~1000V) | |
Flow Regulation Accuracy | ≤±1% (Load 20% to 100%) | |
Load Adjustment Rate | ≤±0.5% | |
Power grid adjustment rate | ≤±0.1% | |
Complete Machine | Efficiency | ≥90%, fully loaded |
Isolation | High-frequency Transformer Isolation | |
Protect | Input | Overvoltage, undervoltage, phase loss |
Output | Overvoltage, Overcurrent, Overtemperature, Short Circuit | |
Safety Regulations | Insulating Resistance | ≥DC500V 10MΩ |
Insulation strength | AC 1500V, 10mA for 1 minute | |
Environmental Conditions | Operating Temperature | -10℃~+45℃ |
Storage Temperature | -40℃~+70℃ | |
Relative Humidity | ≤95% RH, no condensation | |
Cooling Method | Forced air cooling | |
Altitude | ≤2000m | |
Atmospheric Pressure | 79kPa~106kPa | |
Mechanical Parameters | Reference Dimensions | 1600mm (height) × 600mm (width) × 600mm (depth) (180KW) |
Reference Weight | ≤120KG(90KW), ≤240KG(180KW), ≤1200KG(900KW) |





