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PCL 2U Rack 3kW Programmable DC Power Supply 15V 200A to 600V 5A
PCL 2U Rack 3kW Programmable DC Power Supply 15V 200A to 600V 5A
- 3kW Programmable DC Power Supply
- Output ratings from 15V 200A to 600V 5A
- 2U full rack design
- Low ripple 50mV 100mV 200mV
- List mode function
- Auto Run function
- Remote sensing function
- Interlock loop function
- No overshoot during startup
- Soft start by hardware, and adjustable voltage rise time by software
- Multiple protections: OVP, OTP, ACF and current limit protections
- Standard interface: RS232 & RS485, support ModBus-RTU commands
- Options: DC 0-5V, 0-10V or 4mA interface for control and feedback
- Options: LAN interface
Twintex PCL 3KW series power supply is a general-purpose, programmable DC power supply designed for R&D, manufacturing, and automated testing. Its core advantages include a compact form factor that allows for easy integration into standard equipment racks; a voltage output range of 15V to 600V that meets diverse testing needs, from low-voltage chips to high-voltage modules; and RS232/RS485 communication interfaces that facilitate seamless integration into Automated Test Systems (ATE) for remote control and data acquisition.
The PCL 3kW Programmable DC Power Supply serves as an ideal bridge between R&D validation and mass production, playing a critical role across various electronics and electrical sectors. Below are the specific testing and application scenarios for seven common rated-output models.
15V 200A 3kW Programmable DC Power Supply PCL3000-15: Typical applications include high-current semiconductor devices, high-performance computing, telecommunications power supplies, and electrochemistry.
- High-power semiconductor device testing: Supplies the high current required for drive or conduction testing of power modules such as IGBTs and MOSFETs.
- Server/telecom power module testing: Simulates high-current loads for core processors or communication equipment to verify the load-bearing capacity, efficiency, and stability of power modules.
30V 100A 3kW Programmable DC Power Supply PCL3000-30: Typical applications include EV motor testing and DC motor burn-in.
- EV motor and controller testing: Used for type testing of EV motors, controller performance testing, braking experiments, and durability testing.
- DC motor and power tool burn-in: Subjects DC motors and power tool motors to long-term, full-load burn-in to screen for early-stage product failures.
60V 50A 3kW Programmable DC Power Supply PCL3000-60: Typical applications include Industrial power supplies, automotive electronics, component burn-in, and LED lighting.
- Electronic component burn-in and routine testing: Used for burn-in testing of components such as resistors, relays, and capacitors, as well as routine testing on production lines.
- LED driver and luminaire testing/burn-in: Supplies rated input power to LED drivers and luminaires for testing and burn-in prior to mass production.
100V 30A 3kW Programmable DC Power Supply PCL3000-1H: Typical applications include New energy vehicle (NEV) electronic control systems, LED drivers, and automated test systems.
- LED driver and product testing: Used for performance verification of LED drivers and burn-in testing of LED products.
- Automated Test System Integration: Integrates into ATE systems to provide excitation power to circuit boards and modules under test.
150V 20A 3kW Programmable DC Power Supply PCL3000-150: Typical applications inlcude Power semiconductors, battery charging, power modules, electromechanical control.
- Battery Pack Charging Tests: Provides constant-current/constant-voltage charging for high-voltage battery packs (e.g., multi-cell lithium-ion batteries) to evaluate charging performance.
- Power Module and Electrolytic Capacitor Tests: Supplies power to DC-DC converters and power modules to test performance, or performs withstand voltage and aging tests on electrolytic capacitors.
300V 10A 3kW Programmable DC Power Supply PCL3000-3H: Typical applications include Avionics, high-voltage power devices, high-voltage capacitors, DC-DC converters.
- High-Voltage DC-DC Converter Tests: Supplies input power to high-voltage DC-DC converter modules to test performance metrics such as conversion efficiency and regulation.
- High-Voltage Battery Charging Tests: Conducts charging tests for high-voltage battery packs (e.g., for e-bikes or drones).
600V 5A 3kW Programmable DC Power Supply PCL3000-6H: Typical applications include High-voltage power devices, PV inverters, high-voltage power modules.
- High-Voltage Power Module and Electrolytic Capacitor Tests: Supplies input power to high-voltage power modules or performs withstand voltage and aging tests on high-voltage electrolytic capacitors.
- High-Voltage Battery Pack Simulation and Charging Tests: Simulates the characteristics of high-voltage battery packs (e.g., for electric buses or energy storage systems) for BMS testing or charging tests.

Product Parameters
PCL 2U Rack 3kW Programmable DC Power Supply 15V 200A to 600V 5A
| Model | Rated Output | Model | Rated Output | |||||
| V | A | W | V | A | W | |||
| PCL2400-12 | 12V | 200A | 2400W | PCL3000-15 | 15V | 200A | 3KW | |
| PCL2400-20 | 20V | 120A | 2400W | PCL3000-20 | 20V | 150A | 3KW | |
| PCL2400-30 | 30V | 80A | 2400W | PCL3000-30 | 30V | 100A | 3KW | |
| PCL2400-40 | 40V | 60A | 2400W | PCL3000-40 | 40V | 75A | 3KW | |
| PCL2400-60 | 60V | 40A | 2400W | PCL3000-50 | 50V | 60A | 3KW | |
| PCL2400-1H | 100V | 24A | 2400W | PCL3000-60 | 60V | 50A | 3KW | |
| PCL2400-120 | 120V | 20A | 2400W | PCL3000-1H | 100V | 30A | 3KW | |
| PCL2400-150 | 150V | 16A | 2400W | PCL3000-120 | 120V | 25A | 3KW | |
| PCL2400-2H | 200V | 12A | 2400W | PCL3000-150 | 150V | 20A | 3KW | |
| PCL2400-3H | 300V | 8A | 2400W | PCL3000-2H | 200V | 15A | 3KW | |
| PCL2400-4H | 400V | 6A | 2400W | PCL3000-3H | 300V | 10A | 3KW | |
| PCL2400-5H | 500V | 4.8A | 2400W | PCL3000-4H | 400V | 7.5A | 3KW | |
| PCL2400-6H | 600V | 4A | 2400W | PCL3000-5H | 500V | 6A | 3KW | |
| PCL3000-6H | 600V | 5A | 3KW | |||||
| Dimensions | Current <100A: 425W×88H×463D mm (2U) Current ≥100A: 425W×88H×503D mm (2U-L) | |||||||
| Weight | Approx 11kg | |||||||
| AC Input | 1φ3W, 220V±10% 47~63Hz (at default) 1φ3W (L, N, PE), 110V±10% 47~63Hz (at request) | |||||||
For the purpose of product improvement, specifications are subject to change without prior notice.
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Frequently Asked Questions
A DC power supply is to supply voltage and current in constant voltage (CV) or constant current (CC) mode within the rated output range. Such working characteristics is called a constant voltage/constant current automatic cross-over type. This permits continuous transition from constant current to constant voltage modes in response to the load change. The intersection of constant voltage and constant current modes is called the crossover point. Below figure shows the relationship between this crossover point and the load.

In CV mode, a regulated output voltage is provided. The output voltage remains constant as the load increases while the output current changes in response to the load changes, up till the present current limit point is reached. At that point, the output current becomes constant and the output voltage drops in proportion to the further increases in load.
Similarly, in CC mode, crossover from the CC to CV mode automatically occurs from a decrease in the load. A regulated output current is provided. The output current remains constant as the load decreases while the output voltage changes in response to the load changes.
A power supply with CV and CC operation mode can be operated in only one mode according to load situation. The power supply is in CV mode when the actual load is over the preset load capacity; and the power supply is in CC mode when the actual load is below the preset load capacity.
When the power supply is connected to a big capacitive load, it always causes increase to the output voltage in a power supply. The output voltage may make fast increase to the Over Voltage Protection point. It may also cause slow decrease when the output voltage is turned down.
To solve this problem, connect a power resistor in parallel to the output terminals of the power supply; at the same time, connect a diode in serial between output terminals and the load.

When an inductive load is connected to the power supply, it will cause a reverse polarity induction electric motive force when the power supply is turned on or off, or when preset the output voltage. The pulse noise caused by an inductive load will also affect the power supply, especially when the pulse noise has the same polarity with the output of power supply.
To avoid effect or damage to the power supply, connect a diode in serial between the output terminals of power supply and the load; at the same time, connect a power resistor and a capacitor in parallel to the load to make a R-C snubbed circuit, which will significantly restraint generation of the noise.

When use the power supply to charge a battery, such as accumulator and ni-mh battery, the recommended protection measures is to connect a diode between the power supply and the battery. When the output electrolytic capacitor of the power supply is charged, connecting a load (battery) may cause sparks. This is normal. After the two of them get to equal voltage, the sparks will disappear.

Even if the peak current of a pulse load, such as motor, bulb, DC-DC or DC-AC converter module, does not exceed the rated current of the power supply, it will also cause voltage drop or instability to the output.
A basic solution is to connect a inductor in serial between the power supply and the load. Or, choose a power supply with higher rated current.
If the pulse circuit has a small pulse width or low peak current, another solution is to connect a capacitor with large capacity. A reference to choose capacity of a capacity is: 1000uF capacity to a 1A current.

When the power supply is connected to a load that will cause reverse polarity current to the power supply output, the output voltage will increase, because the power supply cannot absorb the reverse polarity current from the load.
A solution is to connect a diode in serial between the output terminal and the load; at the same time, connect a discharge resistor in parallel to the load to absorb the reverse polarity current. When the reverse polarity current is a peak surge, connect the large electrolytic capacitor in parallel to the two ends of the load.

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