NetSure™ 721 Series
DC Power System with 400 VDC Input
Key Features
nHigh Efficiency Over 97% — reduces power consumption for lower operating cost
The NetSure™ 721 DC power system with 400 VDC input reduces copper distribution cost and provides the flexibility to use existing -48 VDC equipment.
n3500 W Converter — designed to operate from nominal 400 VDC source to provide -48 VDC load power
nAdvanced Controller — offers battery management, site monitoring and configuration management
nRemote Access — options allow users to view, control and interact with the system using an Ethernet interface
nPlug’n’Play — add modular converters without changing the settings and making adjustments; no system interruption
nFront Accessible — allows for easy installation, additions and maintenance
nWide Input Voltage Range — for operation during battery discharge down to 260 VDC
nSafety Compliance — NEBS Level 3 certification (pending); UL Listed to UL subject 1801
Description
The modular NetSure™ 721 Power System with 400 VDC Input provides up to 4000 amps of -48 VDC output current. The basic components of the power system include the ACU+ control unit, DC to DC converter shelf assemblies and a modular distribution cabinet.
The NetSure™ 721 power system contains a powerful, micro- processor-based control system capable of monitoring and controlling up to 60 C400/48-3500e converters. The ACU+ controller provides a 4x16-character alphanumeric display, which can be activated at the touch of a keypad.
Each shelf can accommodate up to six plug’n’play C400/48-3500e converters, which are controlled by the ACU+. Additional shelves can be added as load requirements increase.
The NetSure™ 721 with 400 VDC input can be expanded to up to three distribution bays for a total capacity of 4000 amps and up to twelve distribution panels. Each NetSure™ 721 distribution cabinet is modular by row and position. Four distinct distribution cabinet sizes are available to accommodate from one to four distribution panels. This allows the system to be configured in relay racks of various heights for installation in low-profile sites or atop batteries
or other equipment to make more effective use of floor space. Several distribution panels are available offering different combinations of distribution positions, low voltage disconnect and battery disconnect options.
Distribution device options include 1 amp to 250 amp bullet-style circuit breakers, 3 amp to 125 amp TPS-style fuses in plug-in bullet-style holders, 100 amp to 800 amp GJ/218-style circuit breakers, 70 amp to 250 amp TPL-B style fuses and 70 amp to 600 amp TPH-style fuses. These devices can be configured for both -48 V loads and battery disconnect. A GMT fuse module is also available.
Additional Information
nNetSure™ 721 Product Web Page
nNetSure™ 721 Systems Applications Guide
n NetSure™ 721 Ordering Guide |
High-Efficiency eSure™ |
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n NetSure™ 721 Data Sheet (Standard) |
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C400/48-3500e Converter |
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165DRA-NS721400 / 1013 |
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