T Series
500 Watt AC-DC Converters
Universal input range 70...255V AC with PFC
Single outputs up to 56.5 V DC
4 kV AC I/O electric strength test voltage
LGA
• Rugged electrical and mechanical design, hot
swappable
• Battery chargers for 24 and 48 V lead acid
batteries with remote temperature control
• Operating ambient temperature range
–25...71°C with convection cooling
Selection chart
Output Voltage
Temperature
at 0.5 x
I
o nom
coefficient
[V DC]
of output [mV/K]
24.25
–5
24.25
–5
25.25...28.25
–3
25.25...28.25
–3
48
–5
48
–5
50.5...56.5
–3
50.5...56.5
–3
54.5
–5
54.5
–5
1
Availability on request.
Output current
I
o nom
[A]
16
16
14.5
14.5
11
11
10.2
10.2
10
10
Input voltage
U
i
[V AC]
70...140
85...255
70...140
85...255
70...140
85...255
70...140
85...255
70...140
85...255
Type
Options
1
UT 1201-7
LT 1201-7
UT 1240-7Z
LT 1240-7Z
UT 1702-7
LT 1702-7
UT 1740-7Z
LT 1740-7Z
UT 1701-7
LT 1701-7
B1
B1
B1, D
B1, D
B1
B1
B1, D
B1, D
B1
B1
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Edition 5/07/01
1
Cassette Style
Input
Input voltage AC
Input frequency
Power factor
Inrush current
T Series
refer to selection chart
47/63 Hz
>0.96
active PFC
virtually no inrush current
Output
Efficiency
U
i nom
,
I
o nom
up to 93%
Output voltage setting accuracy
U
i nom
, 50%
I
o nom
±0.25
V
Output voltage noise (total)
IEC/EN 61204, including a sinusoidal output ripple at
twice the line frequency
≤1.1
V
pp
Line regulation
U
i min
...U
i max
,
I
o nom
typ. 1.6%
Load regulation
U
i nom
, 1...100%
I
o nom
typ. 2.5%
Minimum load
not required
Current limitation
constant power, constant current characteristic
typ. 145%
I
o nom
Operation in parallel
enabled by droop current share
Hold-up time
I
o nom,
output voltage decrease to 85%
U
o nom
16 ms
Protection
Input fuse
Reverse polarity
Input undervoltage lockout
Input overvoltage lockout
Input transient
Output
Output overvoltage
Overtemperature
built-in, UT/LT
bridge rectifier
10 A slow blow/6.3 A fast
typ. 90%
U
i min
typ. 104%
U
i max
varistor
no-load, overload and short circuit proof
second control loop
switch-off with auto restart
30/60 V SELV
T
C
typ. 100°C
Control
Output voltage adjustment
Inhibit
Output undervoltage monitoring
Status monitoring
Status indication
U
cr
input for remote control
93...104%
U
o nom
output enabled if inhibit left open
threshold level externally adjustable
system good (Sys OK, Uo OK, no int. or external fault)
LEDs: Sys OK,
U
o
OK and Error
Safety
Approvals
Electric strength test voltage
EN 60950, UL 1950, CSA 22.2 No. 950
class I, I/case
class I, I/O
class I, O/case
2 kV AC
4 kV AC
1 kV AC
IP 30
Degree of protection
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Edition 5/07/01
2
T Series
EMC
Electrostatic discharge
Electromagnetic field
Electr. fast transients/bursts
Surge
Conducted disturbances
Electromagnetic emissions
500 Watt AC-DC Converters
IEC/EN 61000-4-2, level 4, contact/air
IEC/EN 61000-4-3, level 3
IEC/EN 61000-4-4, level 4, capacitive/direct
IEC/EN 61000-4-5, level 3
IEC/EN 61000-4-6, level 3
CISPR 22/EN 55022, conducted
8/15 kV, criterion A
10 V/m, criterion A
2/4 kV, criterion A
2 kV, criterion A
10 V
rms
, criterion A
class B
Environmental
Operating ambient temperature
Operating case temperature
T
C
Storage temperature
Damp heat
Vibration, sinusoidal
Shock
Random vibration
MTBF
U
i nom
,
I
o nom
, convection cooled
U
i nom
,
I
o nom
non operational
IEC/EN 60068-2-3, 93%, 40°C
IEC/EN 60068-2-6, 2...28/28...2000 Hz
IEC/EN 60068-2-27, 6 ms
IEC/EN 60068-2-64, 20...500 Hz
MIL-HDBK-217E, G
B
, 40°C
–25...71°C
–25...95°C
–40...100°C
56 days
1.5 mm/5 g
n
100 g
n
4.9 g
n rms
198'000 h
Options
Remote bus voltage monitoring
Battery cell voltage selector switch
Mounting plate for chassis mounting
D
Z
B1
Pin allocation
Pin
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
Electrical determination
Phase
Neutral
Protective earth
Protective earth
Output voltage positive
Output voltage positive
Hot plug-in contact, positive
Hot plug-in contact, negative
Output voltage negative
Output voltage negative
System good signal input
System good signal output
Inhibit input or remote control input
Power down signal
Power down signal threshold of
U
o
Design.
P
N
6
10
14
18
22
26
30
4
8
12
16
20
24
28
32
S10079
Vo+
Vo+
HC+
HC–
Vo–
Vo–
Sys In
Sys Out
i/U
cr
D
D set
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Edition 5/07/01
3
Cassette Style
Mechanical data
Tolerances
±0.3
mm (0.012") unless otherwise indicated.
60 (2.36")
Measuring point 2
of case temperature
T
C
T Series
European
Projection
S09036
Case temperature measuring point 1
30 (1.18")
Measuring point 1
of case temperature
T
C
3U/111 (4.37")
Potentiometer
Cell voltage
selector switch
Input fuse
(Option)
28 TE/142.2 (5.6")
Accessories
Front panels 19" (Schroff)
Mating H15 connectors with screw, solder, fast-on or press-fit terminals
Connector retention facilities and code key system for connector coding
Back planes for system integration
19" racks for system integration
Temperature sensors for battery charging
94.8 (3.73")
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Edition 5/07/01
171.93 (DIN 41494) (6.77")
4
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