Twintex PCL 75kW series programmable DC power supply, comprising five 15kW power modules with a total rated power of 75kW, offers a range of voltage/current specifications—from 20V/3000A (low voltage/high current) to 2000V/37.5A (high voltage/low current)—giving various options on different load ratings. All models support integration into automated test systems via RS232/RS485 interfaces, enabling remote control and data acquisition.
Engineered for long-term stability and high steady-state precision, the PCL 75kW series programmable DC power supply is an ideal choice for static processes and validation applications, such as electrolysis, industrial heating, temperature rise and withstand voltage testing for power equipment, and high-voltage component burn-in.
Below are the specific testing and application scenarios for eight typically used models, from low voltage to high voltage.
20V 3000A 60kW Programmable DC Power Supply PCL20-3000:
- Power equipment temperature rise and current-carrying tests: Used for temperature rise and load testing of power equipment such as JP cabinets, distribution boxes, switches, cables, and DC current sensors.
- Circuit current-carrying capacity tests: Power supplies customized for organizations like the State Grid to test the load-induced temperature rise of circuit conductive materials.
30V 2500A 75kW Programmable DC Power Supply PCL30-2500:
- High-power connector and contact testing: Tests current-carrying capacity and temperature rise for relays, circuit breakers, and high-current connectors.
- LED/LCD burn-in testing: Used for testing and burn-in of lighting products such as LEDs, LCDs, and energy-saving lamps.
50V 1500A 75kW Programmable DC Power Supply PCL50-1500:
- DC-DC converter testing: Tests automotive DC-DC converters (12V/24V/48V systems) to verify conversion efficiency and stability under various input voltages.
- Fuse testing: Provides precise, constant high current to test fuse blowing characteristics and service life.
300V 250A 75kW Programmable DC Power Supply PCL300-250:
- New energy motor and battery testing: Meets testing requirements for the new energy motor and power battery industries.
- Power electronics testing: Widely used for various testing needs in the power electronics and electronic equipment industries.
600V 125A 75kW Programmable DC Power Supply PCL600-125:
- DC system peak power testing: Used to evaluate the performance of DC power equipment under maximum load conditions.
- Electric vehicle (EV) testing: Used for testing related to 600V/750V/800V class electric vehicles.
1000V 75A 75kW Programmable DC Power Supply PCL1000-75:
- Server power supply and circuit breaker testing: Used for testing components such as server power supplies, fuses, circuit breakers, and contactors.
- ATE (Automatic Test Equipment) systems: Suitable for integration into ATE systems to evaluate devices such as DC-DC converters, batteries, and chargers.
1500V 50A 75kW Programmable DC Power Supply PCL1500-50:
- Solar inverter testing: Used for testing solar inverters and DC/DC converters.
- Electrolytic capacitor burn-in and tantalum capacitor formation: Used for the processing of electronic components such as electrolytic capacitor burn-in and tantalum capacitor formation.
2000V 37.5A 75kW Programmable DC Power Supply PCL2000-37:
- High-voltage power device testing: Used for withstand voltage testing and dynamic characteristic verification of high-voltage power semiconductor devices such as IGBTs.
- High-voltage electronic component aging testing: Used for long-term, under-load aging and reliability verification of components such as high-voltage capacitors and high-voltage resistors.









