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DC power S
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Catalog excerpts

DC power S - 1

DC POWER-S DC power systems DC POWER-S: Compact, flexible and modular DC power supply systems Salicru’s DC power-S energy systems feature the following components: DC-S rectifier modules, subracks, a control and monitoring system, a communications module and a DC distribution unit, all situated in a closed cabinet with the possibility of including batteries. DC power-S system rectifier modules are available in power ratings of 1000, 2000 and 2700 W and output voltages of 24, 48, 110 and 125 Vdc. Its modular design enables up to 4 modules to be installed in a 19” 2U subrack, achieving very high power density. The control and monitoring system manages the entire system: input and output measurements, battery charging currents, control of priority and non-priority loads and communication channels with the outside. The maximum number of rectifiers controlled by a control system is 3 , enabling systems to achieve power ratings of up to 81 kW with N+n redundant configuration options. The basic version of the communications module has: three programmable relays, a battery temperature sensor and an RS232/485 channel. Extended version features a slot for an Ethernet/ SNMP adapter, an NiCd electrolyte level detection input and six additional relays. Applications: Redundant protection for critical applications Salicru’s DC power-S energy systems provide a high-level power supply to always critical telecommunications systems,ensuring excellent operation without unexpected outages. Because of its modular nature, it can also be expanded according to needs, thereby optimising the investment. Typical applications include: fixed and mobile communications networks, broadband access networks and data and telecommunications

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DC power S - 2

Performances ∙ Maximum power per system up to 81 kW. ∙ Flexible, scalable and N+n redundant systems, configurable for current demand and future expansion. ∙ High power density in the modules, up to 27 W/in3. ∙ High efficiency, up to 95% even with low load. ∙ Option of single or three-phase power supply. ∙ DC systems with output voltages of 24, 48, 110, 125 or 220 Vdc. ∙ Wide operating temperature range from -20º C to +55º C. ∙ Wide input voltage range from 90 Vac to 290 Vac with power derating. ∙ Input power factor 1 for better performance. ∙ Modular design of the rectifiers and control...

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DC power S - 3

Range MODEL OUTPUT VOLTAGE POWER PER SYSTEM MODEL (kW) POWER MODULE CONTROL MODULE Connections 1. Rectifier module 2. Centralised control 3. Input protection 4. Output distribution 5. Batteries protection 6. Batteries 7. Extended communication 8. Surge protector 9. Input terminals 10. Output terminals

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DC power S - 4

Technical specifications MODEL Rated voltage Voltage range Rated frequency Total harmonic distortion (THDi) Power factor Performance OUTPUT DC nominal voltage Accuracy Output voltage setting Rectifier module power Psophometric noise Load sharing between modules Maximum number of parallel modules BATTERY 1000 / 2000 / 2700 W <2 mV Active parallel 30 Against overvoltage, undervoltage and overload Battery type Charge type Constant I/U in accordance with DIN 41773 Recharge time Voltage/temperature compensation Electrolyte level detection (NiCd battery) COMMUNICATION Ports Intelligent slot...

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