35
Appendix C: TPSD2 Heat Losses
(Based on 85% efficiency for single phase chargers, 90% efficiency for three phase chargers at 240V nominal
input and rated load)
Single Phase
Model Number
AC Draw
Watts In
Watts Out
Watts Lost
BTU/Hr.
2
4
V
o
lt
S
y
s
te
m
s
TPSD2-6-24V
2*
184
156
28
96
TPSD2-12-24V
4*
367
312
55
188
TPSD2-20-24V
3.4
612
520
92
314
TPSD2-25-24V
4.2
765
650
115
392
TPSD2-30-24V
5
918
780
138
471
TPSD2-35-24V
5.9
1071
910
161
549
TPSD2-50-24V
8.4
1529
1300
229
781
TPSD2-75-24V
13
2294
1950
344
1174
TPSD2-100-24V
17
3059
2600
459
1566
4
8
V
o
lt
S
y
s
te
m
s
TPSD2-6-48V
4*
367
312
55
188
TPSD2-12-48V
8.1*
734
624
110
375
TPSD2-20-48V
6.7
1224
1040
184
628
TPSD2-25-48V
8.4
1529
1300
229
781
TPSD2-30-48V
11
1835
1560
275
938
TPSD2-35-48V
12
2141
1820
321
1095
TPSD2-50-48V
17
3059
2600
459
1566
TPSD2-75-48V
26
4588
3900
688
2348
TPSD2-100-48V
34
6118
5200
918
3132
1
3
0
V
o
lt
S
y
s
te
m
s
TPSD2-6-130V
5
918
780
138
471
TPSD2-12-130V
11
1835
1560
275
938
TPSD2-20-130V
17
3059
2600
459
1566
TPSD2-25-130V
21
3824
3250
574
1959
TPSD2-30-130V
26
4588
3900
688
2348
TPSD2-35-130V
30
5353
4550
803
2740
TPSD2-50-130V
42
7647
6500
1147
3914
*120VAC Input