Emerson Network Power NetSure 701 A41-S3 Benutzerhandbuch - Seite 12
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Chapter 1 Overview
1.3 Features
The rectifier uses the active Power Factor Compensation (PFC) technology, raising the power factor to 0.99.
Wide AC input voltage range: 85V ~ 290V (NetSure 701 A41) or 85Vac ~ 300Vac (NetSure 501 A41 & NetSure
501 A91).
The rectifier uses soft switching technology, raising the system rated efficiency to 91%, and the efficient systems
can be as high as 95%.
Ultra-low radiation. With advanced EMC design, the rectifier meets international standards such as CE and
NEBS. Both the conducted and radiated interference reach Class B.
The rectifier safety design complies with UL, CE and NEBS standards.
High power density.
Rectifiers are hot pluggable. It takes less than 1min to replace a rectifier.
Two over-voltage protection methods are optional: hardware protection and software protection. The latter one
also has two optional modes: lock-out at the first over-voltage and lock-out at the second over-voltage.
Perfect battery management: The management functions include the LLVD (optional), BLVD, temperature
compensation, auto voltage regulation, stepless current limiting, battery capacity calculation and on-line battery
test, etc.
M221S and M222S support historical alarm record up to 200 and historical record up to 1000. And M820B
supports historical alarm record up to 3000 and historical record up to 60000
10 sets of battery test data records.
Network design: Providing multiple communication ports (such as RS232, modem and dry contacts), which
enables flexible networking and remote monitoring. M820B support the USB communication interface.
Perfect lightning protection at AC side and DC side.
Complete fault protection and fault alarm functions.
NetSure 701 A41-S3, NetSure 701 A41-S5 and NetSure 501 A41-S1 adopt the way of outage for control, This
way effectively prevents the storage battery from deeply discharging after system battery protection drops out
and hence prevents the unattended outdoors and indoors server rooms from the damage due to the deep
discharge.
NetSure 701 A41, NetSure 501 A41, NetSure 501 A91 Subrack Power system User Manual