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Home > AC Power Supply > For MYAMi High Density Variable Frequency AC Power Source 500VA 1KVA 2KVA 3KVA 5KVA 6KVA Programmable for Industry Use 45Hz 75Hz
For MYAMi High Density Variable Frequency AC Power Source 500VA 1KVA 2KVA 3KVA 5KVA 6KVA Programmable for Industry Use 45Hz 75Hz
For MYAMi High Density Variable Frequency AC Power Source 500VA 1KVA 2KVA 3KVA 5KVA 6KVA Programmable for Industry Use 45Hz 75Hz
For MYAMi High Density Variable Frequency AC Power Source 500VA 1KVA 2KVA 3KVA 5KVA 6KVA Programmable for Industry Use 45Hz 75Hz
For MYAMi High Density Variable Frequency AC Power Source 500VA 1KVA 2KVA 3KVA 5KVA 6KVA Programmable for Industry Use 45Hz 75Hz
For MYAMi High Density Variable Frequency AC Power Source 500VA 1KVA 2KVA 3KVA 5KVA 6KVA Programmable for Industry Use 45Hz 75Hz
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For MYAMi High Density Variable Frequency AC Power Source 500VA 1KVA 2KVA 3KVA 5KVA 6KVA Programmable for Industry Use 45Hz 75Hz
For MYAMi High Density Variable Frequency AC Power Source 500VA 1KVA 2KVA 3KVA 5KVA 6KVA Programmable for Industry Use 45Hz 75Hz
For MYAMi High Density Variable Frequency AC Power Source 500VA 1KVA 2KVA 3KVA 5KVA 6KVA Programmable for Industry Use 45Hz 75Hz
For MYAMi High Density Variable Frequency AC Power Source 500VA 1KVA 2KVA 3KVA 5KVA 6KVA Programmable for Industry Use 45Hz 75Hz
For MYAMi High Density Variable Frequency AC Power Source 500VA 1KVA 2KVA 3KVA 5KVA 6KVA Programmable for Industry Use 45Hz 75Hz

For MYAMi High Density Variable Frequency AC Power Source 500VA 1KVA 2KVA 3KVA 5KVA 6KVA Programmable for Industry Use 45Hz 75Hz

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Product Description

Features & Advantages
Precision variable frequency test power supply is a kind of high power, low distortion, high stability, its output frequency and voltage can be adjusted in a certain range. Especially suitable for lighting industry, household appliances, electric motors, electronic manufacturing, IT industry and other fields.
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Pure Sine Wave
The voltage waveform is pure sine wave (without distortion). Advanced electronic technology and control algorithms ensure high accuracy and stability of output voltage and frequency.
🛡️
Safety Protection
The safety protection function can effectively prevent overcurrent and overvoltage faults from damaging the power supply device, ensuring safety and reliability.
Product Details
Product Details View
Detailed Feature View 1 Detailed Feature View 2 Detailed Feature View 3
300V 5KVA Bench Single Phase Programmable Variable Frequency AC Power Supply for Experimental Test
✓ As long as you purchase our product, we will provide you with lifelong service!
✓ The product warranty period is 1 year!
✓ If the product unfortunately encounters problems, please contact us as soon as possible. We will provide free remote support testing and provide corresponding components for replacement (if within 1 year, components are provided free)!
✓ Lifelong maintenance, free components provided, you only need to pay a small amount of shipping costs!
Technical Specifications
Model DB-1105 DB-1110 DB-1120 DB-1130 DB-1150 DB-1160
Output Capacity 500VA 1KVA 2KVA 3KVA 5KVA 6KVA
Production Method SPWM (spwm)
Input Parameters
Input Phase 1φ 2W
Voltage 220V±10%
Frequency 50Hz-60Hz
Output Parameters
Output Phase 1φ 2W
Voltage 1-300V
Frequency 40-75Hz
Max Current 4A 6A 11A 13A 22A 23A
Performance Details
Display LED Voltage, current, frequency, power, PF
Line Regulation 0.1%
Load Regulation 1%
Total Waveform Distortion ≤2% (Pure resistive load)
Frequency Stability 0.01%
Voltage Resolution 0.1V
Frequency Resolution 0.1Hz
Current Resolution 0.1A
Measurement & Set Accuracy
Measurement Voltage 0.50%
Current 0.50%
Power 0.50%
Frequency 0.10%
Set Accuracy Voltage 0.10%
Frequency 0.10%
Features & Protection
Programmable Groups 9 groups (each group controls voltage, frequency, running time, with memory recall)
Communication Interface RS485, RS232
Current Limiting Setting 0-Max
Protection Overvoltage, overcurrent, temperature, short circuit, overload
Weight (KG) 11.5 11.5 13 13 17 17
W*H*D (mm) 430*88*450 430*88*550
Operating Environment Temperature: 0-45 ℃, Relative humidity: 20-80% RH
Production & Quality Control
Production Process Quality Inspection
Certificates & Exhibitions
Compliance Certificate Industry Exhibition
Packaging & Transportation
Secure Packing Process
Frequently Asked Questions
FAQ Visual Reference
Q What Is A Variable DC Power Supply?
Re: It is a power source with an output voltage that the user can vary. Variable DC power supplies allow you to change the voltage and the current to the device under test (DUT).
Q Why Is A DC Power Source Needed?
Re: A DC power source provides a constant biasing voltage or current to electrical devices, components, or circuits and ensures that the DUT operates as expected.
Q How Do You Use A DC Power Source?
Re: A DC power source connects to a DUT via leads that connect to the DC power supply panel. Engineers can set voltages or current levels to power the device for testing purposes.
Q How Does A DC Power Source Work?
Re: A DC power source converts alternating current (AC) power into DC power using either a linear or switching methodology. A switching power supply has higher efficiency, reduced weight, and smaller size. Linear power supplies can achieve lower noise, but modern switching supplies have minimized or eliminated this advantage.
Q What Is A Bench DC Power Supply?
Re: A bench DC power supply is designed to sit on an engineer’s bench. It will typically have a large, legible display and a user interface so engineers can easily control all aspects of the power supply from the front panel. Users can also control modern bench power supplies via software. In addition, the output terminals are easily accessible from the front. Bench power supplies are handy tools for testing circuits, as they allow you to adjust the voltage on the fly.
Q What safety protections are built into this variable AC power supply?
Re: This unit features comprehensive protection modules covering overvoltage, overcurrent, overtemperature, short circuits, and overloading, ensuring optimal device safety during operation.
Product Line Overview

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