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Home > AC Power Supply > MYAMI Programmable AC Variable Frequency Power Supply Aging test High Precision Ac Power Supply 4-bit Digital Tube Display
MYAMI Programmable AC Variable Frequency Power Supply Aging test High Precision Ac Power Supply 4-bit Digital Tube Display
MYAMI Programmable AC Variable Frequency Power Supply Aging test High Precision Ac Power Supply 4-bit Digital Tube Display
MYAMI Programmable AC Variable Frequency Power Supply Aging test High Precision Ac Power Supply 4-bit Digital Tube Display
MYAMI Programmable AC Variable Frequency Power Supply Aging test High Precision Ac Power Supply 4-bit Digital Tube Display
MYAMI Programmable AC Variable Frequency Power Supply Aging test High Precision Ac Power Supply 4-bit Digital Tube Display
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MYAMI Programmable AC Variable Frequency Power Supply Aging test High Precision Ac Power Supply 4-bit Digital Tube Display
MYAMI Programmable AC Variable Frequency Power Supply Aging test High Precision Ac Power Supply 4-bit Digital Tube Display
MYAMI Programmable AC Variable Frequency Power Supply Aging test High Precision Ac Power Supply 4-bit Digital Tube Display
MYAMI Programmable AC Variable Frequency Power Supply Aging test High Precision Ac Power Supply 4-bit Digital Tube Display
MYAMI Programmable AC Variable Frequency Power Supply Aging test High Precision Ac Power Supply 4-bit Digital Tube Display

MYAMI Programmable AC Variable Frequency Power Supply Aging test High Precision Ac Power Supply 4-bit Digital Tube Display

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Product Description

Key Features
Our precision variable frequency test power supply is a high-power, low-distortion, and highly stable solution. Its output frequency and voltage can be adjusted within a specific range, making it ideal for the lighting industry, household appliances, electric motors, electronic manufacturing, IT, and other technical fields.
  • ⚡
    Pure Sine Wave Output: Pure sine wave voltage waveform without distortion, ensuring reliable test results.
  • 🎯
    High Precision: Employs advanced electronic technology and control algorithms to ensure superior stability of output voltage and frequency.
  • 🛡️
    Comprehensive Safety Protection: Effectively prevents overcurrent and overvoltage faults from damaging the connected load, ensuring high reliability.
Product Details
Variable Frequency AC Power Supply
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300V 350VA Bench Single-Phase Programmable Variable Frequency AC Power Supply for Experimental Test
🤝 Customer Support & Service Policy
  • Lifelong service is provided for all our products from the date of purchase.
  • Standard product warranty period is 1 year.
  • For any technical issues, we offer prompt remote diagnostic testing and support.
  • Replacement components are provided free of charge for issues occurring within the 1-year warranty period.
  • Lifelong maintenance is available with free components, subject only to a minimal shipping fee.
Specifications
Model Capacity Rated Current AC Input Phase / Wire AC Output Phase / Wire
120V 240V
MY-60D03 350VA 3A 1.5A Single-phase two-lines + PE Single-phase two-lines
MY-60D05 500VA 4.2A 2.1A Single-phase two-lines + PE Single-phase two-lines
MY-60D10 1KVA 8.4A 4.2A Single-phase two-lines + PE Single-phase two-lines
MY-60D20 2KVA 16.66A 8.3A Single-phase two-lines + PE Single-phase two-lines
MY-60D30 3KVA 25A 12.5A Single-phase two-lines + PE Single-phase two-lines
MY-60D50 5KVA 41.66A 20.83A Single-phase two-lines + PE Single-phase two-lines
MY-60D100 10KVA 83.33A 41.6A Single-phase two-lines + PE Single-phase two-lines
MY-60TD150 15KVA 125A 62.5A Single-phase two-lines + PE Single-phase two-lines
MY-60TD200 20KVA 166.66A 83.33A Single-phase two-lines + PE Single-phase two-lines
MY-70TD150 15KVA 125A 62.5A Three-phase, four-wire + PE Single-phase two-lines
MY-70TD200 20KVA 166.66A 83.33A Three-phase, four-wire + PE Single-phase two-lines
MY-70TD300 30KVA 250A 125A Three-phase, four-wire + PE Single-phase two-lines
MY-70TD450 45KVA 375A 187.5A Three-phase, four-wire + PE Single-phase two-lines
MY-70TD600 60KVA 500A 250A Three-phase, four-wire + PE Single-phase two-lines
MY-70TD750 75KVA 625A 312.5A Three-phase, four-wire + PE Single-phase two-lines
MY-70TD900 90KVA 750A 375A Three-phase, four-wire + PE Single-phase two-lines
MY-70TD1000 100KVA 833.33A 416.6A Three-phase, four-wire + PE Single-phase two-lines
MY-70TD1200 120KVA 1000A 500A Three-phase, four-wire + PE Single-phase two-lines
MY-70TD1500 150KVA 250A 625A Three-phase, four-wire + PE Single-phase two-lines
MY-70TT60 6KVA 16.6A 8.3A Three-phase, four-wire + PE Three-phase four-wire
MY-70TT100 10KVA 25A 12.5A Three-phase, four-wire + PE Three-phase four-wire
MY-70TT150 15KVA 41.6A 20.8A Three-phase, four-wire + PE Three-phase four-wire
MY-70TT200 20KVA 55.5A 27.7A Three-phase, four-wire + PE Three-phase four-wire
MY-70TT300 30KVA 83.3A 41.6A Three-phase, four-wire + PE Three-phase four-wire
MY-70TT450 45KVA 125A 62.5A Three-phase, four-wire + PE Three-phase four-wire
MY-70TT600 60KVA 166A 83A Three-phase, four-wire + PE Three-phase four-wire
MY-70TT750 75KVA 208A 104A Three-phase, four-wire + PE Three-phase four-wire
MY-70TT1000 100KVA 275A 138A Three-phase, four-wire + PE Three-phase four-wire
MY-70TT1200 120KVA 333.3A 166A Three-phase, four-wire + PE Three-phase four-wire
MY-70TT1500 150KVA 416A 208A Three-phase, four-wire + PE Three-phase four-wire
Technical Parameters
Input 10 KVA and below: single-phase 220V ± 10% ; 50Hz ± 5Hz
Above 10 KVA: three-phase 380V ± 10%, three-phase / four-wire + ground wire ; 50Hz ± 5Hz
Output Voltage Range Low-end: 0.1~150.0V, Upscale: 150.1~300.0V
Output Frequency 45-400Hz adjustable, adjusted stride of 0.1Hz. Shortcut keys: 50Hz / 60Hz
Frequency Stability ≤ 0.1%
Voltage Stability ≤ 1%
Degree of Distortion ≤ 2% (THD)
Wave Peak Coefficient 1.41 ± 0.10
Source Voltage Effect ≤ 1%
Load Effect ≤ 1%
Productivity 90% (80% capacity for 3 kVA and below)
Frequency Display 0.1% readings, with a resolution of 0.1Hz
Voltage Display ± (1% reading + 0.1% range), resolution of 0.1V
Current Display ± (1% reading + 0.1% range), resolution 0.001A / 0.1A
Power Display ± (1% reading + 0.1% range), with 0.1W / 0.1kW resolution
Power Factor Display ± 0.1 with a resolution of 0.001
Preset Function Output voltage, output frequency, output current upper limit limits
Quick Function Common voltage and frequency conversion settings
Alarm Function Alarm (sound and light) signal after protection device displays error/fault code
Overload Capacity 1.0 Ie (continuous); 1.1 Ie to 1.2 Ie: cuts off output after 5s delay
Overheat Protection Power device temperature threshold: > 85°C ± 5°C
Communication Interface RS-232C / RS-485 (Optional)
Protection Grade IP20
Structure / Case Type Desktop model (below 3 KVA); Vertical Cabinet with casters (5 KVA and above)
Work Environment Temperature: -10°C to 40°C, Humidity: 10%~90% (at 25°C, non-condensing)
Max Altitude: 2000m
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Packaging and Delivery Details
Frequently Asked Questions
Q1: 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 dynamically adjust both voltage and current settings to match the requirements of the Device Under Test (DUT).
Q2: 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, ensuring that the Device Under Test (DUT) operates predictably and safely.
Q3: How Do You Use A DC Power Source?
Re: A DC power source connects to a DUT via test leads attached to the power supply's output terminals. Engineers can set the target voltage or current levels on the interface to supply controlled power to the circuit.
Q4: How Does A DC Power Source Work?
Re: A DC power source converts incoming alternating current (AC) into regulated direct current (DC) power using either linear or switching regulator technologies. Switching power supplies feature higher efficiency, less weight, and a smaller form factor compared to traditional linear configurations.
Q5: What Is A Bench DC Power Supply?
Re: A bench DC power supply is designed for use on laboratory benches or workstations. It typically includes highly readable display panels, physical adjustment knobs, and a digital interface allowing developers to set, monitor, and adjust voltage levels on-the-fly.
Q6: What Warranty and Maintenance Services Do You Offer?
Re: We offer a 1-year product warranty period with free replacement components. Additionally, we provide lifelong remote testing diagnostics and technical support, with replacement parts available for self-service maintenance at minimal shipping costs.
Product Range Showcase

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