Engineered for harsh field conditions, this system is fully compliant with the following military standards:

• MIL-STD-810G – Environmental durability
• MIL-STD-461F – Electromagnetic compatibility (EMI/EMC)
• MIL-STD-1399 – Naval power interface compatibility

Designed for use as both a military truck frequency converter and a military ship frequency converter, PowerGuard provides a unique technological advantage for mobile and naval platforms. Its compact, modular and scalable architecture makes it a next-generation solution for 400 Hz power applications in military infrastructures.

🎯 Purpose

The PowerGuard 115 VAC 400 Hz Static Frequency Converter is engineered to meet the demanding energy requirements of systems deployed in harsh military environments such as naval vessels and tactical ground vehicles. Its primary goal is to deliver uninterrupted, stable, and precise 400 Hz power to mission-critical subsystems operating on various platforms.

By integrating a 3-phase input power structure, the system efficiently converts incoming AC voltage into both 115 VAC and 200 VAC at 400 Hz, enabling it to power a wide range of military-grade electronic and electromechanical systems.

Its static frequency converter architecture, which contains no mechanical parts, ensures extremely low maintenance needs, improved long-term reliability, and silent operation. The OLED display offers real-time monitoring on site, while the RS-422 controlled communication interface provides full remote control capabilities.

Designed in line with military-grade expectations, PowerGuard fulfills the following international military standards:

• MIL-STD-810G – Environmental durability (temperature, vibration, humidity, etc.)
• MIL-STD-461F – EMI/EMC protection
• MIL-STD-1399 – Compatibility with naval energy distribution systems

Optimized to function as both a military vehicle frequency converter and a naval frequency conversion system, the unit supplies continuous power to radar systems, RF communications, mission computers, and other high-frequency loads, guaranteeing operational uptime in critical missions.

🌍 Where It Is Used?

The PowerGuard 115 VAC 400 Hz Static Frequency Converter is designed to deliver safe, stable, and EMI-protected power across a wide range of military platforms. It is commonly deployed in both land and naval systems, offering exceptional adaptability in harsh environments.

🛡️ Defense Industry Applications

• Armored Vehicles & Tactical Trucks: Provides reliable 400 Hz power to mission computers, communication systems, and radar units.
• Naval Platforms (Ships & Submarines): Supplies stabilized power for sonar systems, navigation, RF communications, and deck control subsystems.
• Unmanned Aerial and Ground Vehicles (UAVs/UGVs): Powers critical auxiliary electronics and control modules.
• Mobile Command Units: Ensures continuous energy delivery to mission-critical field equipment.

🛰️ Communication & Electronic Systems

• Tactical RF systems, military servers, and satellite communication terminals
• Ground control stations, avionic test benches, and networked military infrastructure

🏭 Ruggedized Industrial Use Cases

• Industrial laboratories and calibration stations requiring stable 400 Hz power
• Aircraft ground support units (AGEs) and test bays
• Advanced automation and motor drive environments in harsh conditions

Its compliance with MIL-STD-1399 and environmental resilience per MIL-STD-810G makes it perfectly suited for shipboard installations, while its compact design and static architecture enable seamless use on tactical land vehicles. With remote management capabilities and advanced EMI shielding, PowerGuard offers a highly reliable solution wherever 400 Hz military-grade power is required.

🧩 Types

The PowerGuard 115 VAC 400 Hz Static Frequency Converter is a configurable system developed by TEDEG Defence with a modular architecture. It can be tailored to meet different mission profiles and platform-specific power requirements. While the core static frequency conversion structure remains the same, the product can be offered in various configurations as listed below:

🔹 Standard Model – Fixed 400 Hz Output

• 3-phase AC input support (360–440 VAC)
• Delivers 115 VAC and/or 200 VAC at 400 Hz
• Includes OLED display and RS-422 remote management support
• Designed for integration into rack-mounted systems or fixed installations
• Suitable for radar systems, RF devices, and control electronics

🔸 Compact Version – Mobile Deployment

• Lightweight body for portability
• Ideal for military shelters, trailers, and mobile command units
• Rapid deployment and field operation readiness
• Designed for use as a military truck frequency converter

⚙️ Extended Model – High-Capacity Variant

• Higher output power rating for larger systems
• Additional output port options
• Dual-input source switching (generator + grid)
• Intended for naval platforms, shipboard power systems, and radar installations
• Full MIL-STD-1399 compliance for naval power interface compatibility

🛠️ Custom Project-Based Versions

• Output voltage, frequency, and power levels can be configured per project specs
• Optional integration of Modbus, CAN-Bus, or RS-485 interfaces
• Connector layouts (NATO military-grade, MIL-DTL series) tailored to system architecture
• UI/UX customization on OLED display for platform-specific feedback

Thanks to its scalable design, PowerGuard can operate as a:

• Military static frequency converter
• Naval frequency converter for ships and submarines
• Ruggedized power system for tactical vehicles and command infrastructure

⚙️ Features

The PowerGuard 115 VAC 400 Hz Static Frequency Converter is a military-grade, high-reliability, and high-performance power conversion solution. It offers a static, maintenance-free architecture, tailored for mission-critical operations in harsh field environments.

🔌 Frequency Conversion Capability

• Simultaneous conversion of 360–440 VAC 3-phase input into 400 Hz output
• Dual-output support: 115 VAC and/or 200 VAC at 400 Hz
• Built with purely electronic components, no mechanical parts
• Stable frequency and voltage regulation with minimal harmonic distortion

🛡️ Military Compliance & Environmental Durability

• MIL-STD-810G compliant for shock, vibration, temperature, and humidity
• MIL-STD-461F certified for EMI/EMC protection
• MIL-STD-1399 compatible for naval platform integration
• Ruggedized enclosure with aluminum alloy chassis and EMI-sealed connectors

🧠 Intelligent Monitoring and Control

• OLED display interface for real-time feedback (voltage, frequency, system status, thermal data)
• RS-422 communication interface for remote control, fault diagnostics, and reset operations
• Event logging and system health monitoring for operational safety
• Optional Modbus/RS-485/CAN-Bus for integration into military networked systems

🔒 Protection & Safety Functions

• Active protection against overvoltage, undervoltage, overcurrent, short circuit, and overtemperature
• Phase-sequence detection and automatic restart capability
• Fully isolated input/output pathways
• Fail-safe algorithms at hardware and software level

🧱 Mechanical and Integration Specifications

• Compact and lightweight static frequency converter design
• Passive cooling via thermally optimized aluminum heatsinks
• Compatible with fixed command posts, military shelters, and mobile vehicles
• Enclosure resistant to water, salt fog, dust, vibration, and mechanical shock
• Supports both land vehicle and naval shipboard use cases

With these advanced features, the PowerGuard system provides a reliable and versatile solution in the 400 Hz military frequency converter domain.

🔧 How It Works?

The PowerGuard 115 VAC 400 Hz Static Frequency Converter operates with a fully static architecture, utilizing high-efficiency power electronics to transform input power into stable 400 Hz output without any rotating or mechanical components. This ensures long operational life, silent operation, and minimized maintenance needs—ideal for mission-critical military platforms.

⚡ 1. Input Power Acquisition

The converter receives 3-phase AC input between 360–440 VAC at 50/60 Hz from external power sources such as utility grid, onboard generators, or tactical energy systems. Input protection includes:

• Phase sequence verification
• Input surge filtering
• EMI/EMC shielding

🔁 2. Static Frequency Conversion Process

Input power is rectified and processed through a fully electronic power conversion stage. Unlike rotary converters or motor-generator sets, the PowerGuard operates as a true static frequency converter, ensuring no mechanical wear or acoustic noise.

🔄 3. Precision Frequency Output

Processed energy is converted into 400 Hz output at 115 VAC and/or 200 VAC. This output is tightly regulated with high frequency stability and minimal harmonic content, suitable for sensitive mission electronics.

🧠 4. Real-Time Monitoring and Control

• OLED display shows live voltage, frequency, temperature, and fault status
• Operators can use the local panel for control and diagnostics
• RS-422 remote interface allows remote power-up/shutdown, error tracking, and system reset
• Optionally integratable with Modbus or RS-485 for centralized control systems

🛡️ 5. Intelligent Protection and Feedback

The system continuously monitors key electrical parameters. In case of anomalies such as:

• Overcurrent,
• Undervoltage,
• Overheating, or
• Short circuits,

the converter will shut down outputs, display a warning, and store the fault log. Automatic restart is possible when safe conditions return.

Thanks to its fully electronic static design, the PowerGuard converter provides reliable 400 Hz power output even in environments subject to shock, vibration, temperature extremes, or EMI hazards—ensuring compliance with:

• MIL-STD-810G
• MIL-STD-461F
• MIL-STD-1399 

🧩 What Components Does It Contain?

The PowerGuard 115 VAC 400 Hz Static Frequency Converter is composed of high-reliability, field-proven subsystems designed specifically for military applications. Its modular design enables seamless integration into both naval and land platforms, offering long-term operational stability and protection.

🔌 1. Input Power Module

• Accepts 360–440 VAC 3-phase input voltage
• Equipped with EMI/EMC filtering components
• Includes phase sequence protection and voltage stabilization
• Fully compliant with MIL-STD-461F EMC standards
• Built using MIL-DTL series military connectors

⚙️ 2. Frequency Conversion Core

• The heart of the static frequency converter system
• Uses fully electronic, non-mechanical components
• Capable of converting input into both 115 VAC and 200 VAC at 400 Hz
• Features advanced thermal management via aluminum heatsinks and passive airflow

🧠 3. Monitoring & Control Unit

• Features an OLED display interface showing voltage, frequency, temperature, and fault status
• Local control panel for manual operations and reset functions
• Remote control supported via RS-422 interface
• Optional Modbus, CAN-Bus, or RS-485 communication for full system integration
• Fault log memory for diagnostics and system health tracking

🛡️ 4. Protection Subsystems

• Real-time protection against overvoltage, undervoltage, overcurrent, short circuit, and overtemperature
• Input/output isolation and grounding supervision
• Built-in fail-safe logic and automatic restart algorithms
• Visual and log-based fault alerts

🧱 5. Enclosure and Mechanical Design

• Rugged aluminum alloy chassis with IP-level protection
• Electrostatic powder-coated housing resistant to dust, salt, and humidity
• Fully tested per MIL-STD-810G for shock, vibration, and extreme temperature
• Suitable for both military vehicle and naval shipboard installations

With these robust components, the PowerGuard converter operates as a fully certified and mission-ready military frequency converter, delivering 400 Hz power in the harshest operational environments. 

✅ Which Standards and Certifications Does It Meet?

The PowerGuard 115 VAC 400 Hz Static Frequency Converter is engineered and tested to meet the most demanding military requirements. It is certified for use on both land and naval platforms and fully complies with international military standards for environmental resilience, EMI/EMC performance, and electrical interface compatibility.

🛡️ MIL-STD-810G – Environmental Qualification

Tested for full environmental durability under MIL-STD-810G procedures, including:

• High/low temperature exposure (including rapid thermal transitions)
• Mechanical vibration and shock resistance
• Salt fog, humidity, dust ingress
• Drop and transport ruggedness

These validations make the unit suitable for deployment as a military truck frequency converter or a naval shipboard converter, even in extreme operational conditions.

📡 MIL-STD-461F – Electromagnetic Compatibility (EMC)

Fully compliant as a MIL-STD-461F certified frequency converter, supporting:

• CE102 (conducted emissions),
• RE102 (radiated emissions),
• CS114/RS103 (conducted and radiated susceptibility)

Advanced EMI shielding, internal filtering, and grounding ensure trouble-free operation alongside mission-critical RF systems and radar equipment.

⚓ MIL-STD-1399 – Naval Electrical Interface Compatibility

Tested and validated as a MIL-STD-1399 compliant frequency converter, ensuring seamless integration with shipboard electrical distribution systems, including:

• Voltage fluctuations due to wave conditions
• Harmonic content control
• Compatibility with shipboard generator systems

🧪 Functional & Performance Testing

• 400 Hz output accuracy and stability under varying loads
• Short circuit and overcurrent fault simulation
• OLED display and RS-422 interface testing for remote control and diagnostics
• Full verification of static conversion logic under thermal load
• Continuous runtime endurance and passive cooling validation

Thanks to this wide range of certifications and validations, the PowerGuard static frequency converter is not only reliable but also ready for integration into modern defense platforms operating under MIL-STD protocols. 

🎯 What Does It Do?

The PowerGuard 115 VAC 400 Hz Static Frequency Converter is designed to deliver centralized, reliable power conversion and distribution for military systems that require precise 400 Hz operation. It transforms 360–440 VAC 3-phase input into a stable 400 Hz output, delivering 115 VAC and/or 200 VAC to various mission-critical subsystems.

🔋 Core Function

It serves as a centralized frequency converter for platforms with devices operating at 400 Hz. Rather than using multiple converters or dedicated sources, PowerGuard consolidates conversion into a single high-efficiency static unit.

🛠 Platform Compatibility

• As a military truck frequency converter, it powers onboard systems like radars, communication units, and command computers.
• As a naval ship frequency converter, it supports sonar, RF communications, and mission-critical control systems.

📡 Real-Time Monitoring and Remote Access

• The integrated OLED display provides live system metrics (voltage, frequency, temperature, fault status).
• RS-422 communication enables remote diagnostics, on/off control, and event logging.
• Seamless integration into tactical or networked command infrastructure.

🛡️ Safety, Efficiency, and Durability

• Static architecture ensures silent operation, minimal maintenance, and long service life.
• Built-in protection circuits monitor and react to overcurrent, short circuit, temperature, and EMI events.
• Fully certified per MIL-STD-810G, MIL-STD-461F, and MIL-STD-1399, making it ready for battlefield deployment.

🧠 Key Advantages

• Replaces multiple isolated converters with a single unified system
• Reduces weight, space, and complexity in mission-critical deployments
• Provides continuous and filtered power across diverse military subsystems

In summary, PowerGuard functions as a 400 Hz military-grade static frequency converter, delivering efficient, protected, and reliable power for platforms operating in harsh environments — both on land and at sea.