® DC Power Systems for Business-Critical Continuity™ NetSure Series DC Power System NetSure 501 A50: -48VDC, up to 8.5 kW NetSure 501 A50 system is optimized for base station power applications as well as other applications requiring up to 8.5kW of DC power. System configuration can be optimized to cost-effectively meet initial requirements, whilst allowing for easy expansion in the future. Standard and advanced controller options, configurable distribution and various capacity rectifier modules are available to suit different needs. System Electrical Specifications Features ■ Provides up to 8.5 kW in one sub rack ■ Front access and top cabling design for installation and maintenance ■ Utilizes UL approved rectifier R48-1800 ■ Hot swap of rectifier units ■ Configurable circuit breakers as high or low priority ■ ■ AC input accepts three phase (380V star connected) or single phase (220V) nominal input Battery and load low voltage disconnect to protect batteries (optional) Nominal Output Voltage Operating Voltage Range Output Power (max) Input Voltage Frequency Regulation Output Noise -48Vdc -42 Vdc to -58 Vdc 8.5kW 85～300 Vac, 1 phase 45 HZ to 65 HZ <±0.5% <200 mV (pk-pk) System Physical Specifications Width×Depth×Height Weight (without Rectifier module and battery) Operating Temperature Range Operating Relative Humidity Range 483×380×266mm <25kg -5℃ to +55℃ ≤95%RH Distribution Positive busbar Battery MCB Output routes 2 2 Small terminal: cable CSA ≤ 16mm ; large terminal: cable CSA ≤ 50mm 2×125A/1P MCB BLVD load route: 3×63A/1P, 3×32A/1P, 4×10A/1P MCB LLVD function is optional ® NetSure Series DC Power System DC Power Systems for Business-Critical Continuity™ Standard Controller Module – M500D/M501D Features Menu operated and user friendly Intelligent battery management Control of rectifier and batteries Basic PLC function Visual and audible alarms Latest 200 alarm history log RS232, User configurable digital inputs Hot swappable and dry contacts M500D Advanced Controller Module – M800D Features Cover all functions of SCU Web and SNMP support Advanced PLC function SM modules support Energy Savings support Up to 400 alarm history log M800D Rectifiers – R48-1800 Features High efficiency and unity power factor Active load sharing Wide input voltage range and operating temperature range Hot swappable R48-1800 Input voltage window Non-destructive voltage Power factor THD Output voltage Output power Max output current Efficiency Temperature range RH (non-condensing) EMC Safety Dimensions Weight Emerson Network Power. The global leader in enabling Business-Critical Continuity™ Emerson Network Power Co., Ltd. No. 1 Kefa Rd., Science & Industry Park Nanshan District 518057, Shenzhen, China Phone: +86-755-8601-0808 Fax: +86-755-8601-0909 www.emersonnetworkpower.com.cn www.emersonpower.com.cn 85 to 300 VAC 0 to 415 VAC 0.99 <5% -42 to -58 VDC 1700 W 35.4 A 91% -40℃ to +80℃ R48-1800 0 to 95% EN 300 386:2001, class B IEC / EN / UL 60950 86H (2U)×84.5W (2U)×272D (mm) 1.8 kg AC Power Embedded Power Precision Cooling Connectivity Monitoring Racks & Integrated Cabinets DC Power Outside Plant Services Embedded Computing Power Switching & Controls Surge Protection Business-Critical Continuity, Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co. ©2008 Emerson Electric Co. E-X6210***-0808