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