{"product_id":"400hz-avionics-equipment-testing-programmable-ac-source-0-1-300v-350va-500va-1kva-with-frequency-adjustment","title":"400Hz Avionics Equipment Testing Programmable AC Source 0.1-300V 350VA 500VA 1KVA with Frequency Adjustment","description":"\u003cdiv data-zone-id=\"0\" data-line-index=\"1\" data-line=\"true\"\u003e\n\u003ch3 class=\"heading-h2\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/AC_POWER_SOURCE.png?v=1782713534\" alt=\"\"\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003ch1\u003e\u003cspan\u003e400Hz Avionics Equipment Testing Programmable\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch1\u003e\u003cspan\u003eAC Source 0.1-300V 350VA 500VA 1KVA with\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch1\u003e\u003cspan\u003eFrequency Adjustment\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eProgrammable AC Variable Frequency Power Source for 400Hz Avionics Equipment Testing\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis programmable AC variable frequency power source is designed to provide adjustable AC input conditions for laboratory evaluation of compatible avionics equipment and aviation-related electronic devices. Available in three capacity options — 350VA, 500VA, and 1KVA — it delivers an adjustable output voltage range of 0.1–300V and a variable output frequency range of 45–400Hz. The adjustable frequency function allows users to establish 400Hz AC power conditions for evaluating equipment designed to operate with this frequency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor avionics equipment development and laboratory testing, engineers may need to verify how compatible AC-powered devices operate under selected voltage and frequency conditions. This AC source provides two selectable voltage ranges: 0.1–150.0V in the low-voltage range and 150.1–300.0V in the high-voltage range. Its 0.1Hz frequency adjustment step allows users to set the required output frequency, including 400Hz, according to the equipment's input specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor programmable testing environments, the series comes standard with RS-232C and RS-485 communication interfaces and supports the Modbus RTU protocol. It can connect to compatible PLCs, host computers, and automated testing systems for programmable AC output control. Three groups of parameter presets, 50Hz \/ 60Hz quick selection, electrical parameter displays, voltage soft start, and multiple protection functions provide additional convenience for laboratory power supply applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eAdjustable 0.1–300V AC Output for Avionics Equipment Input Testing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis programmable AC source provides two selectable output voltage ranges: 0.1–150.0V in the low-voltage range and 150.1–300.0V in the high-voltage range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUsers can adjust the AC output voltage according to the rated input requirements of compatible avionics equipment. This allows engineers to establish different AC input voltage conditions during laboratory evaluation and observe the equipment's operating response.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e45–400Hz Variable Frequency Output for 400Hz Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe power source supports an adjustable output frequency range of 45–400Hz, with a frequency adjustment step of 0.1Hz.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 400Hz output capability makes it suitable for establishing 400Hz AC supply conditions when evaluating compatible aviation-related electronic equipment. Users can also select other frequencies within the specified range to perform comparative power input evaluations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eThree Groups of Parameter Preset Storage\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe power supply supports three groups of preset parameters, including output voltage, output frequency, and output current limit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUsers can save commonly used settings and recall them when performing repeated laboratory evaluations. This helps reduce repeated manual adjustments when switching between different voltage and frequency test conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eQuick 50Hz \/ 60Hz Frequency Selection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe built-in 50Hz and 60Hz quick selection functions allow users to switch conveniently between two commonly used AC power frequency settings and their corresponding voltage-frequency combinations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is useful when evaluating equipment designed for different AC power environments or comparing its operation under common power frequency conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRS-232C \/ RS-485 Programmable Communication\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe entire series comes standard with RS-232C and RS-485 communication interfaces and supports the Modbus RTU protocol.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe AC source can connect to compatible PLCs, host computers, and automated testing systems for programmable output control. This supports integration into laboratory test setups that require repeatable voltage and frequency settings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eElectrical Parameter Display for Test Observation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe front-panel display provides readings for output voltage, current, power, frequency, and power factor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese readings help users observe the power supply and connected load conditions during laboratory evaluation. The voltage display resolution is 0.1V, the frequency display resolution is 0.1Hz, and the current display resolution varies according to the selected voltage range.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMulti-Level Overload Protection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe power source features a two-stage overload protection mechanism that disconnects the output according to the overload level.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhen the output current exceeds 1.0 times but does not exceed 1.1 times the rated current, the output is disconnected after a 15-second delay.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhen the output current reaches 1.1 times and up to 1.2 times the rated current, the output is disconnected after a 5-second delay.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThis staged protection design provides different response times according to the detected overload level.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComprehensive Protection with Fault Indication\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe power supply includes overcurrent, overvoltage, overtemperature, and short-circuit protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen a protection condition is triggered, a visual alarm indication is provided, and the front panel displays the corresponding fault code to help users identify the protection status.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe overtemperature protection threshold is 85°C ± 5°C at the power device.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eVoltage Soft-Start Function\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe voltage soft-start function gradually increases the output voltage when the output is established, helping reduce sudden voltage changes and inrush impact on the connected equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is useful when a controlled voltage rise is preferred during laboratory power-up and evaluation procedures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eModel Selection Tips\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e350VA Model – For Lower-Power Avionics Equipment Evaluation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 350VA model is suitable for laboratory evaluation of compatible lower-power avionics electronic devices and AC-powered modules.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt provides adjustable voltage and frequency settings, including 400Hz output, for applications where the connected equipment's input power requirement is within the model's rated capacity.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e500VA Model – For Medium-Power Avionics Equipment Evaluation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 500VA model offers a higher rated capacity for compatible medium-power aviation-related electronic equipment and laboratory test setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts adjustable AC voltage and frequency, parameter presets, and programmable communication interfaces support repeated evaluation under selected power input conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e1KVA Model – For Higher-Power Laboratory Evaluation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 1KVA model provides a rated capacity of 1000VA, offering the highest capacity option in this series.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is suitable for compatible higher-power AC input equipment and laboratory setups that require greater output capacity. Users should select the model according to the equipment's rated input voltage, current, and apparent power requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eApplication Scenarios\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e400Hz Avionics Equipment AC Input Testing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSome aviation-related electronic equipment is designed to operate with a 400Hz AC power input. This programmable AC source can establish adjustable AC voltage and frequency conditions, including 400Hz, for laboratory evaluation of compatible equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEngineers can select the required output settings according to the equipment's rated input specifications and observe its operating condition during the evaluation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAircraft Electronic Equipment Laboratory Evaluation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFor compatible aircraft-related electronic devices with AC input requirements, the power source can provide adjustable voltage and frequency conditions within its specified output range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt can be used during product development and laboratory evaluation to examine equipment operation under selected AC input conditions. Actual suitability depends on the device's input specifications and power requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e400Hz Power Supply Unit Evaluation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe adjustable 45–400Hz output allows users to establish 400Hz AC input conditions for evaluating compatible power supply units and aviation-related AC-powered modules.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe adjustable voltage range also allows engineers to select suitable input voltage settings according to the device under test.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAvionics Control Unit Power Input Evaluation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFor compatible avionics control units that require AC input, the power source can provide selected voltage and frequency conditions during laboratory power-up and functional evaluation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe displayed voltage, current, power, and frequency readings help users observe electrical conditions while the equipment is operating.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAviation Instrumentation Equipment Testing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible aviation instrumentation equipment with AC input requirements can be supplied under selected voltage and frequency conditions within the power source's rated range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis supports preliminary laboratory evaluation of power input behavior without replacing dedicated measurement instruments or formal equipment qualification procedures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAviation Electronic Module Development\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDuring the development of aviation-related electronic modules, engineers may need to evaluate operation under different AC input conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe adjustable 0.1–300V output, 45–400Hz frequency range, and three groups of parameter presets provide flexible power settings for compatible AC-powered modules.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAutomated Avionics Laboratory Test Setups\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWith standard RS-232C and RS-485 communication interfaces and Modbus RTU protocol support, the power source can be integrated into compatible PLC-based, host-computer-based, and automated laboratory test systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt supports programmable AC output control as part of a larger test setup, helping establish repeatable voltage and frequency conditions for laboratory evaluation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eQuality Check and Terms of Service\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Inspection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEach product should be checked against the selected model, rated capacity, input requirements, and included accessories before use. Please confirm that the power source's AC output range and rated capacity are suitable for the equipment under test.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustomer Support\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIf you need assistance with model selection, output specifications, communication interfaces, or operation, please contact our customer support team before purchasing or using the product.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eModel Selection and Rated Output Capacity\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003e350VA Model\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003e500VA Model\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003e1KVA Model\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e350VA\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e500VA\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1000VA (1KVA)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Supply\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSingle-phase AC 220V ±10%, 50Hz ±5Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSingle-phase AC 220V ±10%, 50Hz ±5Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSingle-phase AC 220V ±10%, 50Hz ±5Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLow Voltage Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1–150.0V\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1–150.0V\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1–150.0V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHigh Voltage Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e150.1–300.0V\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e150.1–300.0V\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e150.1–300.0V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutput Frequency\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e45–400Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e45–400Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e45–400Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFrequency Adjustment Step\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated Output Current at 120V\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.9A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.2A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8.4A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated Output Current at 240V\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.45A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.1A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.2A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConversion Efficiency\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≥80%\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≥80%\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≥80%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003eGeneral Performance Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFrequency Stability\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≤0.1%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage Stability\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≤1%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLoad Regulation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≤1%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSource Voltage Effect\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≤1%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutput Voltage THD\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≤2% (at rated resistive load)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutput Crest Factor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.41 ±0.10\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFrequency Display Accuracy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1% of reading\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFrequency Display Resolution\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage Display Accuracy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±(1% of reading + 0.1% of range)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage Display Resolution\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCurrent Display Accuracy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±(1% of reading + 0.1% of range)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCurrent Display Resolution\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.001A (low-voltage range) \/ 0.1A (high-voltage range)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Display Accuracy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±(1% of reading + 0.1% of range)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Display Resolution\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1W \/ 0.1kW\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Factor Display Accuracy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±0.1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Factor Display Resolution\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.001\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003eFunctions and Protection\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eParameter Preset\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 groups of output voltage, frequency, and current limit settings\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eQuick Frequency Selection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50Hz \/ 60Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOverload Protection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.0–1.1 times rated current: 15s delay; 1.1–1.2 times rated current: 5s delay\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProtection Functions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOvercurrent, overvoltage, overtemperature, and short-circuit protection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFault Indication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVisual alarm indication and corresponding fault code on the front panel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOvertemperature Protection Threshold\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e85°C ±5°C at the power device\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCommunication Interfaces\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRS-232C \/ RS-485\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCommunication Protocol\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eModbus RTU\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage Soft Start\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSupported\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003eMechanical and Environmental Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProtection Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEnclosure Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDesktop\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-10°C to 40°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Humidity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10% to 90% RH (non-condensing at 25°C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Operating Altitude\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≤2000m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose This Programmable AC Source for 400Hz Avionics Testing?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis programmable AC variable frequency power source combines adjustable 0.1–300V AC output, a 45–400Hz frequency range, and three capacity options — 350VA, 500VA, and 1KVA — for laboratory evaluation of compatible AC-powered avionics equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts 0.1Hz frequency adjustment step allows users to establish 400Hz output conditions, while three groups of parameter presets make repeated voltage and frequency settings more convenient. Standard RS-232C \/ RS-485 interfaces and Modbus RTU support integration with compatible programmable test setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith 50Hz \/ 60Hz quick selection, electrical parameter displays, multi-level overload protection, overcurrent and other fault protections, and voltage soft start, this series provides flexible AC power conditions for aviation-related electronic equipment development and laboratory evaluation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This is a programmable AC power source for compatible AC input equipment. It does not provide DC output, aircraft battery simulation, or automatic avionics compliance testing. No specific aviation standard certification or compliance is claimed. Always verify the equipment's required input voltage, frequency, current, and apparent power before use.\u003c\/span\u003e\u003c\/p\u003e","brand":"Shenzhen Kuaiqu Electronic Co., Ltd","offers":[{"title":"Model 1(350VA)","offer_id":48161042333873,"sku":"GP60D03-W-1110-02","price":699.0,"currency_code":"USD","in_stock":true},{"title":"Model 2(500VA)","offer_id":48161042366641,"sku":"GP60D05-W-1110-02","price":749.0,"currency_code":"USD","in_stock":true},{"title":"Model 3(1000VA)","offer_id":48161042399409,"sku":"GP60D10-W-1110-02","price":929.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/400Hz_Avionics_Equipment_Testing_Programmable_AC_Source_0.1-300V_350VA_500VA_1KVA_with_Frequency_Adjustment-01.png?v=1794275364","url":"https:\/\/www.kuaiquinstrument.com\/es\/products\/400hz-avionics-equipment-testing-programmable-ac-source-0-1-300v-350va-500va-1kva-with-frequency-adjustment","provider":"KUAIQU Instrument Store","version":"1.0","type":"link"}