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In summary, the Preen AFC-33300 is part of the AFC Series, a clean-sine-wave AC power source and frequency converter delivering 5 kVA to 2000 kVA in single- or three-phase.
The Preen AFC Series is a clean-sine-wave AC power source and frequency converter delivering 5 kVA to 2000 kVA in single- or three-phase. With selectable 45–65 Hz continuous operation plus optional fixed 100/120/200/240/400 Hz outputs, AFC simulates international mains conditions and serves as a precise voltage / frequency converter for global product testing.
The AFC-33300 is used across home appliance testing, motor and compressor production, EMC chamber simulation, smart grid testing, factory production lines, laboratory verification, EV charger input simulation, and medical equipment validation. Specific test methodologies include voltage and frequency conversion between regional mains standards, three-phase unbalanced load handling, and electronic-motor-type product activation requiring high inrush capacity.
The AFC-33300 integrates into bench, ATE, and high-power production environments through standard RS-232, RS-485, Ethernet, and USB control. Engineers use it to repeatably simulate global mains and DUT operating conditions during design verification, certification pre-compliance, and end-of-line testing — replacing manual variac/MG-set configurations and improving test repeatability and data capture.
From a measurement standpoint, the AFC Series is benchmarked against RoHS Compliant; CE Marked. Within this product line the AFC-33300 delivers the variant-specific output described in this model's specification block below — chosen to match the most common DUT power, voltage, and frequency requirements in the target application.
Preen (AC Power Corporation, founded 1989) is one of the world's highest-volume programmable power-source manufacturers, with ISO 9001:2015 certified manufacturing facilities in Taipei, Tianjin, and Suzhou, and a U.S. service center in Irvine, California. Preen products carry CE and RoHS certifications and have been recognized with multiple Taiwan Excellence Awards for the AFV, AFV-P, and ADG-P product lines — placing the brand in the established commercial tier alongside California Instruments, Chroma, and Pacific Power Source.
Specifications below are for the AFC Series. The AFC-33300 variant within this series is configured as: AC Power Source / Frequency Converter (300kVA/310V/45-65Hz Three-Phase).
| Specification | Value |
|---|---|
| Phases | Single-phase (5–120 kVA) or Three-phase (5–640 kVA) |
| Output Voltage | 0–155 / 0–310 V (L-N) |
| Frequency Range | 45–65 Hz standard; optional 45–65 Hz, 100/120/200/240/400 Hz |
| Voltage Accuracy | 0.5 % F.S. + 4 counts (≥ 10 kVA models) |
| Frequency Accuracy | ± 0.02 % F.S. |
| THD | ≤ 2 % (resistive load) |
| Line / Load Regulation | < 1 % / ≤ 1 % |
| Response Time | ≤ 2 ms |
| Efficiency | ≥ 85–90 % at max power |
| Memories | 6 sets (M1–M6) |
| Protections | Input N.F.B, Over-Voltage, Under-Voltage; Output OV, OC, OT |
| Remote Interfaces | Standard: RS-232 & RS-485 |
| Operating Temperature | 0 °C to 45 °C |
The AFC-33300 accepts the following factory-installed options. Multiple options may be selected.
(select all that apply — multi-select)
Factory calibration is provided with each new AFC-33300 per the manufacturer's datasheet. Additional ISO 17025-accredited or Z540.1 calibration upgrades are available on request — contact your Test Architect to scope.
This webpage was written by a human with an A.I. 'Intern', which may contain errors. Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
AFC-33300
Condition
New
Manufacturer
Preen
Frequency
60 Hz
Phase
3
Power (va)
300 kVA
Volts
300 V
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