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In summary, the Preen AFV-33120 is part of the AFV Series, a programmable high-power AC power source covering 10 kVA to 1600 kVA in single- or three-phase.
The Preen AFV Series is a programmable high-power AC power source covering 10 kVA to 1600 kVA in single- or three-phase. Built for compliance, R&D, and certification environments, it provides 0–310 V output with 45–120 Hz standard (45–500 Hz optional), STEP/RAMP programming, and complete remote-control interfaces.
The AFV-33120 is used across home appliance manufacturing, electronics certification, motor and compressor testing, EMC laboratories, EV charger input simulation, medical devices, and industrial automation. Specific test methodologies include simulating international mains voltage and frequency, motor soft-start testing, power line disturbance simulation, three-phase imbalance simulation, and unbalanced 100% load testing.
The AFV-33120 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 AFV Series is benchmarked against RoHS Compliant; CE Marked; Taiwan Excellence Award. Within this product line the AFV-33120 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 AFV Series. The AFV-33120 variant within this series is configured as: High Power Programmable AC Power Source (120kVA/310V/45-120Hz Three-Phase).
| Specification | Value |
|---|---|
| Phases | Single-phase (10–120 kVA) or Three-phase (10–1600 kVA) |
| Output Voltage | 0–155 / 0–310 V (L-N) |
| Frequency Range | 45–120 Hz standard; 45–500 Hz optional |
| Voltage Accuracy | 0.5 % F.S. + 4 counts |
| Frequency Accuracy | ± 0.02 % F.S. |
| THD | ≤ 1 % (resistive load, 90–140 V Low / 180–280 V High) |
| Line / Load Regulation | ≤ 1 % / ≤ 1 % |
| Response Time | ≤ 2 ms |
| Crest Factor | ≥ 3 |
| Efficiency | ≥ 85–90 % at max power |
| Program Modes | STEP: 24 sets / 255 cycles · RAMP: 12 sets / 255 cycles |
| Protections | Input N.F.B, Over-Voltage, Under-Voltage; Output OV, OC, OT |
| Remote Interfaces | Standard: RS-232 & RS-485 / Ethernet · Optional: Interface Card, GPIB, Analog |
| Operating Temperature | 0 °C to 45 °C |
The AFV-33120 accepts the following factory-installed options. Multiple options may be selected.
(select all that apply — multi-select)
Factory calibration is provided with each new AFV-33120 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
AFV-33120
Condition
New
Manufacturer
Preen
Frequency
500 Hz
Phase
3
Power (va)
120 kVA
Volts
300 V
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