>Power unit

Power unit

Reliable Power.
Controlled Distribution.

Kayser Italia designs and manufactures space-qualified Power Distribution Units engineered to convert, isolate and safely distribute electrical power to multiple subsystems and payloads.

Developed for demanding space environments, our PDUs integrate high-efficiency conversion, protection logics and monitoring capabilities within compact and robust architectures. Each unit is tailored to mission-specific requirements, ensuring operational continuity and long-term reliability.

With proven heritage on the ISS Columbus Module and multiple ESA programs, Kayser PDUs are designed to operate where stability, protection and redundancy are essential.

Typical applications

Payload and subsystem power distribution

Orbital platforms and scientific facilities

Redundant and protected power architectures

Power Conversion & Distribution Units

Kayser’s Power Conversion & Distribution Units are developed to manage, protect, and distribute electrical power across complex spacecraft architectures. Designed for mission-critical environments, each unit integrates conversion, monitoring, and protection functions within robust, space-qualified systems.

Our PDUs ensure controlled energy delivery to multiple subsystems and payloads, supporting operational continuity and redundancy throughout the mission lifecycle.

PPS mk1

PPS MK1 is an autonomous power distribution unit designed to convert and distribute 28 Vdc to up to [...]

PPS mk2

PPS MK2 is an autonomous power distribution unit designed to convert and distribute 28 Vdc to up to [...]

VMU PCU

The VMU PCU is a dedicated power control unit developed to provide regulated 28 Vdc power to the ISS [...]

FLU PDCU

The FLU PDCU is a power conversion and distribution unit designed to convert and electrically isolat [...]

ATFL PDCU

The ATFL PDCU is designed to convert and electrically isolate a 28 Vdc input into multiple regulated [...]

ACLS AFP

ACLS AFP is an autonomous power distribution unit designed to supply non-isolated 120 Vdc power to u [...]

XRF FPW

The XRF FPW (Facility Control Electronics Power) is a power conversion and distribution unit designe [...]

Efficient Conversion. Stable Performance

Kayser Space develops custom space-qualified DC/DC converters designed for precise voltage conditioning and generation across complex space missions.

Optimized for radiation tolerance, thermal stability and wide input ranges, our converters ensure clean, regulated and protected power delivery. Carefully selected topologies and isolated architectures guarantee consistent performance in LEO, Deep Space and planetary missions.

Each converter is engineered to support critical scientific instruments and control systems with high efficiency and robust protection.

Typical applications

Scientific payload power conditioning

Instrument control and avionics electronics

Propulsion and regulation subsystems

DC/DC Converter Units

Kayser’s DC/DC converter units are engineered to provide precise voltage conditioning and stable power generation for space-qualified systems. Each unit is designed to meet specific mission requirements, ensuring efficiency, radiation tolerance, and long-term operational reliability.

From instrument control electronics to propulsion subsystems, our converters support critical functions through optimized architectures and space-grade components tailored to demanding environments.