3U power supply MARATON Moderate HE

DCregulatedmultiple-output

Overview
The MARATON Moderate HE is a rugged, radiation- and magnetic field-tolerant 12-channel low-voltage power supply developed for CERN's LHC.

Product information
It features advanced CAN-bus monitoring, high modularity, and reliable operation under hostile environmental conditions.

Application & design
Designed for moderate radiation environments, the MARATON power supply system ensures reliability through shielded components, water cooling and redundant control. The plug-in module architecture supports easy maintenance and scalability, making it suitable for demanding research and industrial facilities.

Highlights

• Up to 12 independent low-voltage DC channels
• Output power up to 3.6 kW (water cooled)
• Magnetic field tolerance up to 1200 G
• Radiation hardness up to 30 Gy
• CAN-bus interface for monitoring and control

Technical data
Compliance: CE EN 60950, EN 50081-1, EN 50082-1/2, UL 1950. Safety and EMC compliant for industrial environments.
Power & Efficiency: Up to 3 kW total output (air cooled), 3.6 kW (water cooled). Module efficiencies from ~65% (low voltage) up to ~90% (>48 V).
Protection: Programmable overcurrent, overvoltage, undervoltage and overtemperature protection. Fast trip-off response configurable per channel, group or system-wide.
Control & Monitoring: Fully microprocessor-controlled. Programmable trip levels, ramp rates and thresholds. CAN-bus interface for remote control (Ethernet/USB optional).
Design & Components: Modular 19-inch system: 3U power bin with plug-in modules. Up to 12 independent, floating LV channels. Water-cooled or air-cooled versions with interchangeable modules.

Technical specifications

• Channels: Up to 12 independent low-voltage DC channels
• Output power: Up to 3 kW (air cooled); up to 3.6 kW (water cooled)
• Magnetic field tolerance: Up to 1200 G
• Radiation hardness: Up to 30 Gy
• Interface: CAN-bus for monitoring and control (Ethernet/USB optional)
• Protection features: Programmable overcurrent, overvoltage, undervoltage, overtemperature; configurable trip response per channel/group/system
• Control: Fully microprocessor controlled with programmable trip levels, ramp rates and thresholds
• Efficiency: Module efficiencies from ~65% (low voltage) up to ~90% (>48 V)
• Mechanical design: Modular 19-inch 3U power bin with plug-in modules; interchangeable air- or water-cooled modules
• Serviceability: Plug-in module design for easy servicing and scalability