Power Distribution Units
The solid-state technology-based electronic architecture results in compact, lightweight, and fully user-configurable power distribution units. Their certification across a range of criteria such as electromagnetic compatibility (EMC) profile make them ideal for meeting the strictest military certifications and ensuring optimal performance in the most demanding environments.
One of the standout features of Piedrafita DefPower’s MILPDU is their ability to efficiently and effectively modernise older generation vehicles. Replacing traditional relay and fuse boxes with solid-state technology not only reduces weight and size but also enhances reliability and survivability in highly demanding environments.
Main features of Piedrafita’s Power Distribution Units
- 64 CAN outputs
- 32 physical inputs with 4 programmable voltage thresholds
- Ethernet capability
- Support for 11/29 bit CAN 2.0A or 2.0B
- Selectable speeds from 50kbps to 1Mbps
- Outputs: Up to 32
- Continuous Current per Output: Up to 23 A
- Max continuous Current: Up to 420 A
- Max Peak Current: 500 A
Low footprint
The compact size of the military power distribution unit ensures easy integration into any vehicle architecture. This feature reduces the overall space requirement, making it suitable for a variety of military vehicles, from armoured trucks to unmanned systems.
High reliability
Designed with solid-state technology, these units eliminate mechanical parts, significantly increasing system reliability. The robust construction ensures dependable performance even in the harshest environments.
99% thermal efficiency
This high efficiency reduces energy waste and enhances the overall operational performance of military vehicles.
Reverse polarity protection
The reverse polarity protection safeguards the unit and connected devices from damage caused by incorrect battery connection. It is crucial for maintaining the integrity of the power system in dynamic and fast-paced military operations.
Low EMC profile
The low electromagnetic compatibility (EMC) profile of the military power distribution unit minimises electromagnetic interference with other electronic systems in the vehicle. This compliance with strict military EMC standards ensures seamless operation alongside other critical systems.
Programmable switching logic
The fully programmable switching logic allows for customisation to meet specific mission requirements. This flexibility improves the efficiency of the electrical system by enabling precise control over power distribution.
Improved logistics
The ability to use a single military power distribution unit across various vehicle platforms simplifies inventory management and reduces logistical challenges. This standardisation facilitates maintenance and reduces downtime, enhancing overall operational readiness.
Integrated positive voltage surge absorber
- For all loads connected for the PDU
- For all equipment connected in parallel to the PDU
MILPDU range meet the following standards
- Electrical characteristics: DefStan 61-5 Part 6
- EMC: DefStan 59-411 Part 3 – LAND CLASS A
- Environmental: DefStan 00-35
- Vibration & Shock
- Ambient
Examples of customized Power Distribution Units



per Output
Overall
SUMMARY
- The compact size and superior energy efficiency (>99%) of these military PDUs ensure optimal power utilisation and seamless integration into various vehicle architectures.
- Solid state technology eliminates mechanical components, significantly enhancing the reliability and durability of PDUs in demanding environments.
- Features such as reverse polarity protection and reduced EMC interference ensure the PDUs operate safely alongside other electronic systems in military vehicles.
- Programmable switching logic offers mission-specific customisation, while the standardisation across platforms simplifies inventory management and reduces logistical challenges, enhancing overall operational readiness.


