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827E
 7.2 KVA per Shelf, up to 28.8 KVA
10 Amp, 1.2 KVA, Modular Inverters
N+1 Redundancy
PDF Product Information Sheet
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662
Up to 160 Amps of -48 VDC
+24VDC Input
10 Amp DC-to-DC Converter Modules
PDF Product Information Sheet
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| A redundant source of AC power for communications applications is achievable with the 827E redundant and expandable digital inverter system. This modular DC to AC inverter system derives its source of input power from a -48VDC power system and provides highly reliable AC power, which is robust enough to handle a wide range of nonlinear loads with low power factors or high crest factors such as personal computers, servers and modems.
Redundant 1.2 KVA inverter modules operating in parallel, with independent DC inputs per module, eliminate the need for a static transfer switch or a second source of power. Isolation provided by the 827E inverter system supports both communications and commercial power grounding requirements.
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The 662 Plant is a DC-to-DC converter system that operates from +24VDC and outputs 10 Amps at -48VDC for each converter module installed. A total of four converter shelves are available with the system. When all four converter shelves are fully equipped with converter modules (four convertermodules per shelf), the system will output a total of 160 Amps at -48VDC. These converters work in parallel to provide load sharing and redundancy, which are vital for network stability. They come equipped with a user-friendly interface for easy status indication and internal DC protection that reduces the risk of module failure due to a short circuit or high voltage condition. The SM48P10A-D converters mount laterally in a single, low profile shelf, which is the height of one DC-to-DC converter. Increasing converter capacity is done by simply plugging another DC-to-DC converter into the shelf, which requires no service interruption or special tools. |
