400 Hz Frequency Invertors

CryoNano’s 400 Hz Frequency Invertors are engineered to deliver stable, crystal-controlled AC power for mission-critical applications where precision, reliability, and waveform purity are non-negotiable. Designed for both single-phase and three-phase systems, these converters seamlessly transform standard AC input power into high-quality 400 Hz output, making them ideal for aerospace ground support, avionics testing, shipbuilding, and advanced industrial environments.
Built using industrial-grade components and robust power electronics architecture, our frequency converters ensure consistent performance even under complex and unbalanced load conditions.
Key Features
Pure Sine Wave Output
Delivers clean, low-distortion sine wave power, ensuring safe operation of sensitive electronics, avionics, and test equipment.
Wide Power Range
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Single-phase output: 500 VA to 15 kVA
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Three-phase output: 1.5 kVA to 45 kVA
Scalable solutions support both laboratory setups and high-power industrial installations.
Flexible Input & Output Options
Input Voltage:
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115 / 230 V AC, single-phase (47–400 Hz)
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200 / 400 / 480 V AC, three-phase (47–400 Hz)
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Output Voltage:
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115 / 230 V AC, single-phase
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200 / 400 / 480 V AC, three-phase
Precision Frequency Control
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Fixed outputs: 50 / 60 / 400 / 800 Hz (crystal-stabilized)
Programmable ranges:
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40–400 Hz400–800 Hz
Ensures exceptional frequency accuracy for testing, qualification, and operational use.
High Reliability & Protection
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Continuous short-circuit protection
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Thermal shutdown with automatic restart
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Single-phase inverters > 1.2 kVA
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Three-phase inverters > 3.6 kVA
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Surge power capability for high inrush loads
Handles Complex & Asymmetrical Loads
Three-phase systems support unsymmetrical load conditions, making them ideal for real-world industrial and aerospace environments.
Compact, Modular & Rugged Design
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Industrial-grade components
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Modular architecture with interchangeable inverter modules
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Compact footprint with high power density
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Designed for long-term, continuous operation

Typical Applications
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Aerospace ground power units (GPU)
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Avionics and flight-control system testing
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Defense and military power systems
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Radar and communication systems
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Industrial test benches and R&D labs
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Shipbuilding and naval electronics
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400 Hz motors, actuators, and instrumentation