Unipower DPB1U SERIES, DPG1U SERIES Operating Manual
POWERING TECHNOLOGY
OPERATING MANUAL
POWER DISTRIBUTION PANELS
DPB1U & DPG1U SERIES
Manual No. DPB-DPG-4
dpb_dpg-man-rev4-0317.indd
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POWERING TECHNOLOGY
DPB1U & DPG1U SERIES
OPERATING MANUAL
Contents
1.0 INTRODUCTION ...............................................................................................................4
2.0 FEATURES & OPTIONS ....................................................................................................5
3.0 PRODUCT LINE .................................................................................................................5
4.0 SAFETY & INDUSTRY STANDARDS .............................................................................6
5.0 WARRANTY (summary) ....................................................................................................6
6.0 DESCRIPTION OF OPERATION ......................................................................................7
7.0 SPECIFICATIONS ..............................................................................................................8
8.0 FRONT PANEL DESCRIPTION ........................................................................................8
9.0 BACK PANEL DESCRIPTION ........................................................................................10
10.0 UNP ACKING AND INSPECTION ...................................................................................13
11.0 INSTALLATION ...............................................................................................................14
12.0 SETUP AND TESTING ....................................................................................................16
Manual No. DPB-DPG-4
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POWERING TECHNOLOGY
DPB1U & DPG1U SERIES
OPERATING MANUAL
FIGURES
Figure 1. DPG1U & DPU1U Front Views ....................................................................................4
Figure 2. Block Diagram ...............................................................................................................7
Figure 3. DPB1U Front Panel View ..............................................................................................8
Figure 4. DPG1U Front Panel View ..............................................................................................8
Figure 5. Back Panel View ..........................................................................................................10
Figure 6. Input Bus Bar Detail ....................................................................................................10
Figure 7. Output Barrier Strip Detail ...........................................................................................11
Figure 8. Alarm Contact & Ground Detail ..................................................................................12
Figure 9. Series Connection of Multiple Panels ..........................................................................14
TABLES
Table 1. Basic Congurations ......................................................................................................5
Table 2. LED State Denitions ....................................................................................................7
Table 3. GMT Fuse Values ...........................................................................................................9
Table 4. Input Cable Lug Sizes & Types ...................................................................................11
Table 5. Alarm Relay Contacts ..................................................................................................12
Table 6. Relay State Denitions ................................................................................................12
Manual No. DPB-DPG-4
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dpb_dpg-man-rev4-0317.indd
POWERING TECHNOLOGY
DPB1U & DPG1U SERIES
OPERATING MANUAL
OPERATING MANUAL
DPB1U & DPG1U SERIES
DC POWER DISTRIBUTION PANELS
1.0 INTRODUCTION
These distribution panels provide protected power distribution to telecommunication equipment.
They oer fuse or circuit breaker positions on the A and B sides of the panel. The A and B loads
of the distribution panel are totally independent and isolated from each other. There is a green/red
LED for each load to indicate normal operation or an open circuit due to a blown fuse or tripped
circuit breaker.
The panels are only 1.75 inches (1 mounting position) high to minimize rack space and can be mounted
in either a 19- or 23-inch relay rack with corresponding brackets. They can be mounted from the
front of the rack with osets every ¼-inch from front to back to align with existing rackmounted
equipment.
Figure 1 shows the two series of panels. The rst is the DPG1U Series which has 10 GMT fused
circuits on both A and B sides. The second is the DPB1U Series with up to 6 circuit breaker circuits
on both A and B sides.
DPG1U: GMT Fuse Distribution Panel
DPB1U: Circuit Breaker Distribution Panel
Figure 1. DPG1U & DPU1U Front Views
The panels can be congured for 12, 24 or 48 volts and are polarity neutral. Because the A and B
sides are independent and isolated, they can be congured separately. For example, the A side can
be 48V and the B side can be 24V. The voltage and of each side must be congured at the factory..
Each bus (A and B) has a green/red visual alarm and one Form C relay alarm contact for connection
to external audible or visual alarms.
Manual No. DPB-DPG-4
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dpb_dpg-man-rev4-0317.indd
POWERING TECHNOLOGY
2.0 FEATURES & OPTIONS
2.1 The following is a summary of the important features of the Series.
Thin Height: 1.75 inches (1RU)
19 or 23-Inch Rack Mounting
Dual A/B Loads
Current Capacity: 80 to 150A per Load (Depends on Model)
Operating Voltage: 12, 24 or 48VDC
POLARITY NEUTRAL
Red/Green LED Indicators
1 Form C Relay Contacts per bus
Protection: GMT Fuses or Magnetic Circuit Breakers
Independent and Isolated Loads
Input Connections: Crimp Type Lugs
Output Connections: Barrier Terminal Strips
2.2 Options. There are two standard options available:
DPB1U & DPG1U SERIES
OPERATING MANUAL
Option S - This option internally links the A bus to the B bus so that a fully congured unit
can be supplied DC from a single feed. The A and B sides must have the same voltage and
polarity. Not available with option F.
Option F (special order only) - Fail safe operation for 24 and 48V units. A and B sides with
separate feeds operate redundantly so that one feed takes over both sides in case of failure of
the other feed. Voltage and polarity of both sides must be the same. Note that this option
requires an extended depth chassis. Not available with option S.
3.0 PRODUCT LINE
The following table shows the basic conguration that are available for each type of panel. ‘x’
denotes the voltage and polarity. Full conguration details are given in section 8.
INPUT
FEEDS
BREAKERS / FUSES
1
2 6 Breakers Each Bus 150 300 DPB1U-Ax-Bx
1
2 10 Fuses Each Bus 80 160 DPG1U-Ax-Bx
MAX. #
6 Breakers 150 150 DPB1U-Ax
12 Breakers 150 150 DPB1U-Ax-Bx-S
10 Fuses 80 80 DPG1U-Ax
20 Fuses 80 80 DPG1U-Ax-Bx-S
AMPS
EACH FEED
TOTAL
AMPS
BASE MODEL
Table 1. Basic Congurations
Manual No. DPB-DPG-4
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