1.0 INTRODUCTION
The ICT Distribution Series 3 dual-bus DC distribution panel provides two
100 amps (peak) bus inputs; with six independently controlled and
monitored output channels per bus in a compact 1RU chassis for 19-inch
rack mounting. Overcurrent protection for each output is available on the
front panel with 65-volt DC rated, user-insertable, magnetic-hydraulic circuit
breakers that are orderable separately.
Each bus can accommodate a supply voltage from 10- to 60-volt DC, either
positive or negative polarity, with a peak input current of 100 amps to be
distributed at 25 amps continuous (16 amps continuous for 48-volt systems)
on each of the six output channels. Each channel has independent current
sensing, overcurrent protection, alarms, and output on/off control.
Remote monitoring and control are available through the integrated
security-protected Ethernet communications port on the back of the unit.
The unit has a built-in web server with an embedded web-based graphical
user interface (GUI) that can be accessed using any standard commercial
web browser. The GUI displays all panel information; allows full access to
channel configuration settings; provides remote channel on/off control; and
can be set up to send an alarm to user-defined e-mail accounts in the event
a fault occurs. The GUI can also be used to configure and download a data
log of up to 30 days of time-stamped event information. Full monitoring and
control are also available using an SNMP-based management system for
larger installations.
System voltage, system current, output channel current, breaker status, and
alarm input status can also be monitored onsite through the front display
panel. Breaker trip status is indicated locally by the rocker handle position
and front Bus Alarm LEDs. Form-C alarm output contacts (C/NO/NC) are
provided on the back panel for each bus to indicate all distribution panel
alarms, while five additional alarm inputs can be used to monitor other dry-
contact site sensors such as door/window opening, smoke alarms, water
detectors, etc.
Figure 1. Front Panel
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