Phoenix Contact QUINT-DC-UPS/24DC/40 Manual

Uninterruptible Power Supply Unit
for Universal Use QUINT-DC-UPS/24DC/40
1. Short Description
Uninterruptible Power Supply Units for Buffering
Long-Term Power Interruptions
• Saves space thanks to the compact, uniform design
• Integrated diode saves money through isolation of
loads
• Maximum system availability through optimum
battery management and reliable signaling
• Minimum installation time due to ready-to-use
plug-in bridges and integrated timeout
QUINT-DC-UPS uninterruptible power supply units
with long-life lead-acid batteries provide long buffer
times at high currents. Even in the event of a longer
supply voltage failure, the units ensure that all
connected devices continue to operate without
interruption.
The devices have a narrow and uniform design,
which makes them ideal for use on the DIN rail where
space is limited. In addition, short wiring paths ensure
order and clarity in the control cabinet.
The high level of availability and the particularly long
service life of the battery modules are achieved
through professional battery management. An
automatic presence check (every minute), automatic
quality test (once a week), temperature-determined
charging, and electronic overcurrent protection ensure
the battery modules are ready to operate at all times.
Power is therefore available in the event of an error and
the service life of the battery module is maximized.
The actual state must be determined quickly so that
the right decision can be made in an emergency.
Optimum signaling is thus required for maximum
system availability. Three floating PDT contacts and
three LEDs are provided for function monitoring, which
indicate all the operating states clearly.
So that relay signaling is more reliable and more
durable than before, an additional positive supply
output has been provided. The contact, which is
current-limited and resistant to continued short circuits,
is located next to the relay connections and enables
easy bridging. In the event of wiring errors, the short-
circuit protection prevents any welding of the relay
contacts. This ensures that the user can rely on an OK
signal. Even in the event of connection errors, currents
remain below 100 mA, which prevents damage to the
relay contacts.
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A system is switched off after a specific time that can
be set on the device or by an external signal. No
additional installation is required for shutdown. In
addition, ready-to-use plug-in bridges minimize the
installation time.
The connected devices can be divided into buffered
and unbuffered loads using the isolated input. This
extends the buffer time, which depends on the output
current. If only critical devices are protected using
fuses, smaller battery modules can be used that save
money and space in the control cabinet. In addition, the
isolated input protects the connected devices against
errors in the internal network.