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2.0 – PRODUCT DESCRIPTION
The Enclosure Power Supply (EP) is a modular
component; designed to be combined with a storage
battery. This combination provides clean,
uninterrupted power to critical 12 and 24 volt DC
loads supplied from AC mains. In the event of AC
(utility) power loss, back-up power can be provided
for hours, days, or even weeks depending on the
load and battery capacity.
The EP is both a battery charger and a primary DC
power supply. It replaces the conventional power
supply used in DC powered systems. It replaces the
battery charger used in scratch-built back-up
systems. Both of these approaches have
drawbacks. Conventional power supplies are poor
battery chargers and battery chargers are poor
power supplies. The EP solves these problems and
saves time with many well integrated and unique
features:
True Universal Input – 47-66 Hz, 85-265 VAC
•
continuous (no jumpers); 110-370 VDC input
allows many options in system design.
Power-factor-corrected Input – prevents
•
harmonic degradation of the AC power line
feeding the system.
150 Watt Total System Power Output –
•
provides power for loads and battery charging.
Constant-current Limited Output – avoids the
•
shutdown, fold-back and tripping problems
common when conventional power supplies are
used for battery charging.
Temperature Compensated Output – provides
•
proper voltage for battery maintenance over
wide temperature extremes. This feature is not
found in conventional power supplies.
Low Noise Output – allows use with sensitive
•
electronics used in control, monitoring, and
communication applications. A feature not
common in battery chargers.
Glitch-less Switch-over – powered directly
•
from the system battery, provides continuous
load power free of sharp transients.
Wide Operating Temperature – of −20 - +60º C
•
(−4 - +140º F) makes it suitable for indoor or
outdoor use.
Input Fused – provides protection and safety
•
and convenience.
Isolated Form C Alarm Contacts – provide
•
remote signaling or shed un-needed loads when
AC power fails.
Status Indicators – provide system status at a
•
glance and aid with troubleshooting.
Low Voltage Disconnect – protects battery
•
from excessive discharge during back-up
events.
Reverse Battery Protection – with a
•
replaceable fuse protects the EP and your loads
from costly damage.
Convenient Mounting – allows the EP to be flat
•
panel or DIN rail (35mm) mounted.
Rugged Enclosure / Quality Construction – to
•
provide years of trouble-free service in harsh
industrial or remote applications.
3.0 – APPLICATIONS
The EP is effectively used in a wide range of safety,
security, and critical applications. Some of these
are:
Radio Base Stations & Repeaters – with large
•
batteries maintain vital communication during
natural disasters.
SCADA Systems – are more reliable with long-
•
term back-up power.
Tower and Obstruction Lighting – beacons
•
stay flashing during an outage.
Remote Telemetry – tolerates huge voltage
•
drops from long power lines.
Video Cameras – keep on seeing when the
•
power goes out.
Gate Openers – provide continued access
•
during a power outage or storm.
Security Systems – never miss a beat when
•
the power is cut.
Roadway Caution Signs – continue working
•
when needed most.
LED Traffic Controls – maintain traffic flow
•
during an outage.
DC Industrial Controls – use back-up power
•
for control and monitoring on the factory floor.
WAN/LAN Back-up Power – keeps
•
communications up and running.
Grid-tie Solar Systems – charge 12 or 24 volt
•
batteries with high voltage DC.
Low Voltage Lighting – stays lit and provides
•
safety on walkways, stairs, and mezzanines.
3
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