TEL: 415-242-1551
 


Batteries

   

DCU Lead-Calcium / DU Lead-Antimony
For telecommunications, switchgear, and control applications
Capacities from 25 to 200 Ampere-hours

FEATURES AND BENEFITS
 

  • Terminals accessible for measurement of individual cell voltages
  • Transparent container allows visual inspection of plates
  • 20-year environmental and seismic qualification (calcium)
  • Flame-arrester with fill funnel
  • Two- and three-cell units in most sizes

 

SPECIFICATIONS
Plates
Height
Width
Thickness
Positive
Negative
Outside negative

5.88 in (149 mm)
5.88 in (149 mm)
5.88 in (149 mm)

5.63 in (143 mm)
5.63 in (143 mm)
5.63 in (143 mm)

0.266 in (6.76 mm)
0.170 in (4.32 mm)
0.110 in (2.79 mm)

Electrolyte height above plates
1.75 in (45 mm) except 11 plate, 1.63 in (41 mm)
Sediment space 0.5 in (13 mm) except 11 plate, 0.56 in (14 mm)
Electrolyte @ 77F (25C) Sulfuric acid, 1.215 specific gravity nominal
Float voltages 2.19-2.21 volts per cell (calcium); 2.15-2.17 volts per cell (antimony)
Container Thermoplastic, transparent, SAN only
Cover High-impact thermoplastic (tongue-and-groove seal on single-cell units)
Separator Microporous with fibrous glass mat
Safety vent system Flame-arrester type with dust cover
Terminals
DCU/DU (3 through 11)
DCU/DU (13 through 17)
Two flag terminals, standard
Two, 0.75-in (19.1 mm) square posts

 
Final volts
Models
Nominal rates at 77F (25C) (includes connector voltage drop)
Ampere-hours
Amperes
8 Hr
5 Hr
3 Hr
1.5 Hr
1 Hr
30 Min
15 Min
1 Min
1.84
DCU/DU-3  
DCU/DU-5  
DCU/DU-7  
DCU/DU-9  
DCU/DU-11
DCU/DU-13
DCU/DU-15
DCU/DU-17
  22
  44
  67
  89
108
133
155
177

  20
  39
  59
  78
  94
117
137
156

  17
  33
  50
  67
  83
100
117
133
  13
  26
  39
  52
  63
  77
  90
103

 11
 22
 33
 44
 54
 65
 76
 87

  15
  30
  44
  59
  71
  89
104
118

  19
  37
  56
  74
  88
111
130
148

  22
  44
  66
  88
117
132
154
176
1.81
DCU/DU-3  
DCU/DU-5  
DCU/DU-7  
DCU/DU-9  
DCU/DU-11
DCU/DU-13
DCU/DU-15
DCU/DU-17
  23
  23
  70
  93
110
139
162
186
  21
  41
  62
  82
  98
123
144
164
  18
  35
  53
  70
  84
105
123
140
  14
  28
  41
  55
  70
  83
  97
110
12
23
35
47
59
70
82
94
  17
  33
  50
  66
  80
  99
116
132
  21
  41
  62
  83
101
124
145
166
  29
  57
  86
114
140
172
200
229
1.78
DCU/DU-3  
DCU/DU-5  
DCU/DU-7  
DCU/DU-9  
DCU/DU-11
DCU/DU-13
DCU/DU-15
DCU/DU-17
  24
  48
  72
  96
115
144
168
192
  21
  42
  63
  84
100
126
147
168
  18
  37
  55
  73
  91
110
128
146
  14
  29
  43
  58
  74
  86
101
115
12
25
37
50
62
74
87
99
  18
  35
  53
  70
  88
106
123
141
  23
  46
  68
  91
115
137
160
182
  33
  65
  98
130
165
195
228
260
1.75
DCU/DU-3  
DCU/DU-5  
DCU/DU-7  
DCU/DU-9  
DCU/DU-11
DCU/DU-13
DCU/DU-15
DCU/DU-17
  25
  50
  75
100
120
150
175
200
  22
  44
  66
  88
105
132
154
176
  19
  38
  57
  76
  90
114
133
152
  15
  31
  46
  61
  75
  92
107
122
  13
  26
  39
  52
  65
  78
  91
104
  19
  38
  57
  76
  96
114
133
152
  25
  50
  75
100
126
149
174
199
  38
  75
111
148
184
220
253
288
Note:
Data based on discharge from a minimum of 72 hours on float at 77F (25C) in accordance with IEEE-450.
 
SPECIFICATIONS
 
Type of cell
Cells
per
unit
Overall dimensions
Approx. wt.
lbs.
(kgs)
Electro-
lyte
per cell
lbs.
(kgs)
Pure
sulfuric
acid
per cell
lbs.
(kgs)
Internal
resist.
with
connect.
(ohms/
cell)
CPR
code
number
(DCU only)
Calcium
Antimony
L
in

(mm)
W
in
(mm)
H
in
(mm)
Net
filled
Dom.
packed
2DCU-3
2DU-3

2

5.28
(134)
7.38 (187)
10.31 (262)
20 (9.0) 
24 (10.8)
3 (1.4)
0.9 (.40)
.00640
269588
3DCU-3
3DU-3
3
27 (12.2)
32 (14.5)
269593
2DCU-5
2DU-5
2
5.28
(134)
24 (10.8)
28 (12.6)
2.8 (1.3)
0.8 (.36)
.00320
269589
3DCU-5
3DU-5
3
33 (15.0)
38 (17.2)
269594
2DCU-7
2DU-7
2
9.47
(241)
38 (17.1)
42 (18.9)
5.8 (2.6)
1.7 (.77)
.00213
269590
3DCU-7
3DU-7
3
53 (24.0)
58 (26.3)
269595
2DCU-9
2DU-9
2
9.47
(241)
42 (18.9)
46 (20.7)
5.3 (2.4)
1.5 (.68)
.00160
269591
3DCU-9
3DU-9
3
60 (27.2)
65 (29.5)
269596
2DCU-11
 2DU-11
2
11.13
(283)
7.19 (183)
49.5 (22.3)
53.5 (24.1)
5.8 (2.6)
1.7 (.77)
.00129
269592
3DCU-11
 3DU-11
3
71 (32.2)
79 (35.8)
269597
  DCU-13
  DU-13
1
6.38
(157)
7.38 (187)
10.75 (273)
38 (17.2)
44 (20.0)
12.5 (5.7)
3.7 (1.6)
.00110
269585
  DCU-15
  DU-15
1
40 (18.1)
46 (20.9)
11.5 (5.2)
3.4 (1.5)
.00090
269586
  DCU-17
  DU-17
1
42 (19.1)
48 (21.8)
10.5 (4.8)
3.1 (1.4)
.00080
269587
Notes:
1. Electrolyte weighs approximately 10 lbs per gallon (1.210 kgs per liter).
2. Two-cell units are three-cell units with one dummy cell.
 
 

 

 
 
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