5.4kW High Power Density 1U Ultra Compact Rack Design Telecom Power System with 48V DC Output DC Power Cabinet

The Eltek Flatpack S 1U 48V 5.4kW Telecom Power System (241122.125, CTOS0301.1319) is an ultra-compact, high-reliability DC power solution designed for telecom OLT, mobile base stations, wireless access, marine, offshore, and industrial applications.

Built with high-efficiency Flatpack S 48/1800HE rectifier modules and a Smartpack S controller, this 1U 19-inch rack mount system delivers up to 5.4kW output with industry-leading power density, a wide operating temperature range, and excellent stability in a compact 217mm depth chassis.

• Ultra-compact 1U 19-inch rack design — Small size with 217mm depth, ideal for space-limited cabinets.
• High power density up to 5.4kW — Supports up to 3* Flatpack S 48/1800HE rectifiers.
• High efficiency & energy saving — HE rectifiers deliver low power loss and reduced heat.
• Smartpack S intelligent controller — Real-time monitoring, Ethernet communication, and alarm management.
• Flexible input configuration — Supports 230V AC single-phase / three-phase input, 45–65Hz.
• 125A high output current — Stable 48V DC output for OLT, transmission, and wireless equipment.
• ORing output protection & safety design — Reliable protection for critical loads.
• Wide temperature range — Stable operation in harsh environments.
• Hot-swap rectifier design — Easy maintenance without system shutdown.
• Suitable for marine, offshore & industrial use — Rugged construction for demanding applications.