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PCL 3U Rack 9kW (9000W) Programmable High-Power DC Power Supply 60V 150A & 90V 100A to 600V 15A
PCL 3U Rack 9kW (9000W) Programmable High-Power DC Power Supply 60V 150A & 90V 100A to 600V 15A
- 9kW (9000W) Programmable High-Power DC Power Supply
- Output ratings from 40V 225A & 60V 150A to 600V 15A
- 3U rack-mount 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 9kW (9000W) series programmable high-power DC power supply is a 3U rack-mounted DC supply and testing unit characterized by high power density, a wide voltage range, programmability, and ease of integration. Its core features include:
- High Power Density: Delivers 9kW output within a standard 19-inch, 3U-high rack-mounted chassis; its compact size makes it suitable for both benchtop use and rack-mount integration.
- Wide Voltage Coverage: Output ranges from 40V to 800V (depending on the model) meet diverse testing needs, spanning everything from low-voltage electronic components to high-voltage power electronics.
- Remote Communication and Control: Comes standard with RS232 and RS485 interfaces and supports the ModBus-RTU protocol, enabling easy connection to PCs or PLCs to build Automated Test Systems (ATE) for remote monitoring, data logging, and unattended operation.
- Versatile Output Modes: Supports Constant Voltage (CV) and Constant Current (CC) modes, along with software functions such as sequence testing (LIST) and timed output.
Based on these features, the applications for the PCL 9kW (9000W) programmable high-power DC power supply span six major sectors—new energy, automotive electronics, industrial automation, semiconductors and power electronics, aerospace and defense, and scientific research and education—covering the entire value chain from R&D validation to production line testing.
Below are the specific testing and application scenarios for six typically used models, from low voltage to high voltage.
40V 225A 9kW (9000W) Programmable High-Power DC Power Supply PCL9000-40: With a massive 225A current output as its key advantage, this model is designed for applications requiring very high current but relatively low voltage.
- High-Power Electronic Product Burn-in Testing: Supplies high current for long-duration, full-load burn-in tests on products such as server power supplies, high-power LED arrays, and high-performance computing boards.
- DC Motor and Controller Limit Testing: Provides limit-current testing for high-power DC traction motors, servo motors, and their controllers, verifying performance and temperature rise under maximum load conditions.
60V 150A 9kW (9000W) Programmable High-Power DC Power Supply PCL9000-60: This model is a classic choice for burn-in testing and electronic component testing, offering a wide range of applications.
- Batch Burn-in Testing for Electronic Products: Facilitates high-volume, long-duration burn-in screening for products such as LED lighting, energy-saving lamps, power adapters, and home appliances.
- Component Burn-in and Routine Testing: Used for burn-in and routine testing of electronic components such as resistors, relays, and capacitors to enhance product reliability.
90V 100A 9kW (9000W) Programmable High-Power DC Power Supply PCL9000-90: With a voltage rating slightly higher than the 60V model, this unit offers distinct advantages in applications such as electroplating rectification and multi-motor drive systems.
- Rectifier Power Supplies for Electroplating and Surface Treatment: The 90V/100A configuration is a standard specification in this field, widely used for processes like precision electroplating and anodizing.
- Multi-Motor Parallel Drive Testing: The high current output of 100A allows for simultaneously driving two to three 90V-class DC motors for combined testing or burn-in.
150V 60A 9kW (9000W) Programmable High-Power DC Power Supply PCL9000-150: This model is a primary choice for testing motor controllers and DC-DC converters, serving a wide range of clearly defined applications.
- DC Motor and Controller Testing: Widely used for performance testing and burn-in of products such as electric vehicle (EV) motors, DC motors, and controllers.
- Automotive Electronics Testing: Used for testing automotive electronic components, including starters, A/C systems, motor controllers, lighting systems, and in-vehicle infotainment.
300V 30A 9kW (9000W) Programmable High-Power DC Power Supply PCL9000-3H: Covering core medium-to-high voltage sectors such as new energy vehicles, photovoltaics (PV), and defense, this is one of the most widely used models.
- New Energy Vehicle Motor and Controller Testing: Supplies 300V DC bus power to EV motor controllers to verify efficiency, temperature rise, and reliability under various operating conditions.
- Military and Avionics Testing: Used in the manufacturing, inspection, and maintenance of military electronic equipment, including aircraft and airborne systems, radar, and navigation units.
600V 15A 9kW (9000W) Programmable High-Power DC Power Supply PCL9000-6H: Designed for high-voltage applications, this model plays an indispensable role in high-end sectors such as semiconductors, medical technology, and new energy.
- High-Voltage PV and Inverter Testing: Used for simulation testing of 600V-class PV systems and burn-in testing of high-voltage inverters.
- LED and Energy-Saving Lamp Testing/Burn-in: Provides power for testing and burn-in of high-voltage LED modules, energy-saving lamps, and similar products.

Product Parameters
PCL 3U Rack 9kW (9000W) Programmable High-Power DC Power Supply 60V 150A & 90V 100A to 600V 15A
| Model | Rated Output | Model | Rated Output | |||||
| V | A | W | V | A | W | |||
| PCL9000-40 | 40V | 225A | 9kW | PCL10K-50 | 50V | 200A | 10kW | |
| PCL9000-60 | 60V | 150A | 9kW | PCL10K-60 | 60V | 166.6A | 10kW | |
| PCL9000-90 | 90V | 100A | 9kW | PCL10K-1H | 100V | 100A | 10kW | |
| PCL9000-1H | 100V | 90A | 9kW | PCL10K-150 | 150V | 66.67A | 10kW | |
| PCL9000-120 | 120V | 75A | 9kW | PCL10K-2H | 200V | 50A | 10kW | |
| PCL9000-150 | 150V | 60A | 9kW | PCL10K-3H | 300V | 33.3A | 10kW | |
| PCL9000-2H | 200V | 45A | 9kW | PCL10K-4H | 400V | 25A | 10kW | |
| PCL9000-3H | 300V | 30A | 9kW | PCL10K-5H | 500V | 20A | 10kW | |
| PCL9000-4H | 400V | 22.5A | 9kW | PCL10K-6H | 600V | 16.6A | 10kW | |
| PCL9000-5H | 500V | 18A | 9kW | PCL10K-8H | 800V | 12.5A | 10kW | |
| PCL9000-6H | 600V | 15A | 9kW | |||||
| PCL9000-8H | 800V | 11.25A | 9kW | |||||
| Dimensions | 482.6Wx132.5Hx533D mm (3U) | |||||||
| Weight | Approx 28kg | |||||||
| AC Input | 3φ4W (L1, L2, L3, PE), 380V±10% 47~63Hz (at default) | |||||||
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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