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Access network power solutions

Maxi-Access Power Solutions

The Eaton® Maxi Access Power Solutions range of DC power systems is designed for communication applications requiring compact, efficient, reliable and secure DC power. System configurations include single cabinets offering up to 20kW, or two cabinets suited together to permit up to 40kW of output power. Pre-configured software, fast on-line expansion of rectifiers (hot swap) and fast set-up make the Maxi Access Power Solution ideally suited for your various applications such as wireless BTS sites, access nodes and local and central office switching.

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Efficiency
>96 % peak
DC Output
40-57.5 V
Typical DC Output Power per cabinet
APR48-3G: 18 kW
APR48-ES: 20 kW

High power density and efficiency

The core building block of the system is the APR48-3G rectifier module or, for superior operating efficiency, the APR48-ES “Energy Saver” module. Each cabinet can accommodate either three or four 48V strings of high capacity VRLA batteries. Integral AC and DC distributions are offered with flexible combinations of load and battery MCBs, and an SC300 system controller as standard. Low Voltage Disconnect (LVD) is included as standard.

System controller with higher performance

The Eaton SC300 System Controller is an advanced control and monitoring solution for Eaton DC Power Solutions. Its features such as high-level communication capability, built-in intelligence, comprehensive alarm and system status notifications support you to minimize your operational expenses and optimize system performance under a wide range of environmental conditions.
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Related products

Specifications

Technical Specifications

Input
AC Supply
 3P+N+PE, 1P+N+PE
50/60Hz (nominal)
Power Factor
 >0.99 (20 – 100% Maximum System Current)
Efficiency
 >96% peak
>95% (20% to 100% load, 230Vac)
Output
DC Output Voltage Range
 40 – 57.5V
Typical DC Output Power per cabinet
 APR48-3G : 18 kW (375A @ 48V) or
APR48-ES : 20kW (416A @ 48V)
Environmental
Operating Temperature Range
 -25°C to +50°C

Output current is derated above 50°C [122°F] Refer to rectifier data sheet for more information
Mechanical
Dimensions H,W,D
 2187mm [86”], 600mm [23.6”], 600mm [23.6”] or,
2009mm [79”], 600mm [23.6”], 600mm [23.6”]
Weight
 870kg [1914lb] Typical maximum with 10 rectifier modules and 3 or 4 x 48V/100Ah battery strings.
System
Rectifiers
 APR48-3G
APR48-ES
System Controller
 SC300
Options
AC Distribution
 AC isolator per rectifier shelf
DC Distribution
 24-way DC load distribution unit comprised of:
24 x 18mm Load MCBs (1-63A)
1 x 27mm Battery MCB per battery string
Custom options available on request
Low Voltage Disconnect (LVD)
 Single LVD configured as battery disconnect
SiteSure
 Input/output modules to monitor and control external equipment (optional)
CellSure
 Comprehensive battery monitoring and fault diagnosis system with patented state-of-health algorithms (optional)
Certifications
All products comply with International Standards. Contact your local Eaton DC representative for details on the specific product versions available with these safety and EMC approvals:
Europe CE
Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.
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