Page 8
DPB1U & DPG1U SERIES
OPERATING MANUAL
P O W E R I N G T E C H N O L O G Y
Manual No. DPB-DPG-4
dpb_dpg-man-rev4-0317.indd
7.0 SPECIFICATIONS
The following specifications are typical at 25°C unless otherwise noted.
INPUT / OUTPUT
Panel Capacity ...........................................
See Panel Configuration Table
Configuration
DPB1U
Single Bus .............................................................. 1 to 12 Breakers
Dual Bus .......................................................... 1 to 6 Breakers Each
DPG1U
Single Bus ...........................................................1 to 20 GMT Fuses
Dual Bus .....................................................1 to 10 GMT Fuses Each
Breaker/Fuse Capacity
1
............................................................. ½A to 50A
Voltage
2
48V Nominal ..........................................................................42-60VDC
24V Nominal ..........................................................................21-30VDC
12V Nominal .......................................................................10.5-15VDC
Polarity..................................................................... POLARITY NEUTRAL
ALARMS
Alarm Indicator .....................................................Dual-Color LED Per Bus
LED Status Indication ........................................................Green = Normal
Red = Alarm
Off = No Power
Alarm Connections .............................One Form C Relay Contact Per Bus
SAFETY STANDARDS
.............................................. UL1950, UL60950-1
CAS22.2 No.950-1, EN60950-1
ENVIRONMENTAL
Operating Temp. Range ..................................................... -10°C to +70°C
Storage Temp. Range ........................................................ -40°C to + 85°C
Humidity........................................................ 0% to 95%, Non-Condensing
PHYSICAL SPECIFICATIONS
Case Material ......................................................................................Steel
Finish ............................................................................ Powder Coat Black
Dimensions
3
, Inches (mm) ................................1.75 H x 19.00 W x 9.00 D
(44.5 x 483 x 229)
Weight .......................................................................
10.30 lbs. ( 4.67 kg.)
Rack Mounting Width ....................................................... 19 or 23 Inches
CONNECTIONS
Input Connections.......................................Crimp Type Lug or ¼ - 20 Stud
Output Connections
1-30A .................................................. Barrier Terminal Strips, No. 6-32
40A-50A ............................................ Barrier Terminal Strips, No. 10-32
Chassis Ground Connection..................................................No. 8-32 Stud
Fail Alarm Connections...........................................045” sq. Wirewrap Pins
NOTES:
1. See tables for available breaker & fuse sizes.
2. See Ordering Guide to specify voltage.
3. For units with fail safe option the case depth is 10.44 inches (265mm).
8.0 FRONT PANEL DESCRIPTION
The front panel of the DPB1U, shown in Figure 3 below, consists of the A and B sides and a center
section. The A and B sides can each accommodate up to 6 hydraulic magnetic circuit breakers rated
from 1A to 50A.
Alarm
Contacts
Alarm LEDs
B Input
¼-20 Studs
BAT
RTN
BAT
RTN
1 2 3 4 5 6 7 8 9 10
A
B
ALARM
Ground
8-32 Stud
A Side Breakers
B Side Breakers
A Outputs
6-32 Terminal Strip
B Outputs
6-32 Terminal Strip
A Input
¼-20 Studs
BAT
RTN
BAT
RTN
1 2 3 4 5 6 7 8 9 10
B SIDE A SIDE
NO-C-NC
NO-C-NC
5
6
3
4
1
2
OFF
O
ON
I
15
OFF
O
ON
I
15
OFF
O
ON
I
15
OFF
O
ON
I
15
OFF
O
ON
I
15
OFF
O
ON
I
15
5
6
3
4
1
2
OFF
O
ON
I
15
OFF
O
ON
I
15
OFF
O
ON
I
15
OFF
O
ON
I
15
OFF
O
ON
I
15
OFF
O
ON
I
15
17.12 (434.9)
1.74
(44.2)
REAR VIEW
FRONT VIEW
Case depth: 8.94 (227.1)
2.28
(57.8)
Clear Perspex
Safety Cover
Figure 3. DPB1U Front Panel View
The front panel of the DPG1U, shown in Figure 4 below, consists of the A and B sides and a center
section. The A and B sides can each accommodate up to 10 GMT Fuses rated from ½A to 12A.
Alarm LEDs
A
B
ALARM
A Side Fuses
B Side Fuses
1
10
1
10
17.12 (434.9)
FRONT VIEW
1.74
(44.2)
Figure 4. DPG1U Front Panel View
In both cases the center section has two green/red LEDs, one for the A side (left) and the other for
the B side (right). At the bottom of this center section is a slot for a wallet and designator card. This
card permits the recording of each output circuit by number.
