郑州EMERSON艾默生GXT4-48VBATT备用电源ups
Liebert? GXT3? UPS Includes These Outstanding Features:
Flexibility:
yyRack/tower configuration. The
versatile unit installs in either
configuration, and includes a rotating
LED display panel that conforms to
the desired orientation.
yyAutomatic frequency detection.
Detects and matches line input
frequencies of either 60 or 50 Hz.
yyUser replaceable hot-swappable
internal batteries. Provide four
minutes of runtime at full load.
yyAdditional runtime with additional
battery cabinets. UPS cabinet
includes rear panel plug-and-play
connections for optional battery
cabinets. Cabinet sizes: 5-6kVA – 2U,
8-10kVA – 4U, 6kVA 208V– 3U.
yyLiebert IntelliSlot? communications
port. Utilizes Liebert IntelliSlot Web
Card to provide SNMP and web-based
monitoring and control of your UPS.
yyIncludes Windows-based
configuration program. Allows
various operating parameters to be
adjusted and tests to be scheduled.
yyBuilt-in USB communications
for use with Liebert MultiLink?
Automated Shutdown
Software. Allows you to monitor
communication between the UPS
and a server, and ensures a graceful
unattended shutdown.
yyBuilt-in closure signals. Provides
notification to monitoring systems of
operating conditions including: on
battery, low battery, battery mode
shutdown and any mode shutdown.
yyEmergency Power Off (EPO).
Terminal connections for a normally
open or normally closed emergency
power off switch.
Higher Availability:
yyWider input voltage window
minimizes battery use. Features a
wide input voltage window that allows
the UPS to support the critical load
without hing to transfer to battery,
extending system ailability for when
battery back-up is truly needed.
yyInternal automatic and manual
bypass. Assures continuity of
power to critical loads during
system maintenance or in case
of internal fault.郑州
yySelf-diagnostics. Automatically
tests unit electronics and batteries.
Designed to simplify maintenance
and troubleshooting.
Lowest Total Cost Of Ownership:
yyStandard two-year replacement
warranty. No-hassle warranty
provides paid shipping both ways.
Optional one-year and three year
extensions ailable.
yyUses less rack space. Lees more
room for network equipment.
yyFor longer service life.
Shields batteries from heat
generating electronic components,
enhancing battery life.
yyBattery cutoff voltage. Automatically
adjusts based on load, extending
battery life by divventing
over-discharge of batteries.
yyENERGY STAR? qualified UPS
models. UPS products meeting the
EPA’s requirements
use an erage of
35% less energy
than their standard
counterparts.为了判断拆卸下来的koyo轴承是否可以再使用,要在深沟球轴承洗干净后检查,精心检查滚道面、滚动面、配合面的状态、保持架的磨损情况、轴承游隙的增加及有无关于尺寸精度下降的损伤、异常。非分离型小球轴承,则用一只手将内圈支持水平,旋转外圈确认是否流畅。koyo轴承等分离形轴承,可以对滚动体、外圈的滚道面分别检查。大型深沟球轴承因不能用手旋转,注意检查滚动体、滚道而、保持架、挡边面等外观,轴承的重要性愈高愈须慎重检查koyo轴承新投入使用的水泵,一般在运行1小时后须更换润滑脂(油),以后每运行5小时更换1次。