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LK4740-7R View Datasheet(PDF) - Power-One Inc.

Part Name
Description
View to exact match
LK4740-7R
Power-One
Power-One Inc. Power-One
LK4740-7R Datasheet PDF : 4 Pages
1 2 3 4
Electrical
Accessory Products
Temperature Sensors
Temperature Sensors for T and U units
T and U units feature a cell voltage selector switch (feature
Z) to set the required floating charge voltage at 20°C di-
rectly at the unit. If this Z switch is used the 2.23 V/cell sen-
sor types should be selected in any case as a basis and the
selection criteria are only the temperature coefficient of the
battery and the nominal battery voltage. If for example a
24 V battery is used which has a cell voltage of 2.27 V/cell
and a temperature coefficient of 3.5 mV/K/cell, the sensor
type is S24-2.23-35-02. The setting on the Z switch of the T
or U unit should be 2.27.
For units without the Z selector switch a sensor according
to both criteria should be selected. In our example it would
be S24-2.27-35-02.
For further details please consult the T or U datasheet.
Table 1: Type survey T sensors
Nominal battery
voltage [V]
Sensor type
Part no.
Cell voltage Temp. coefficient
[mV]
[mV/K/cell]
24
S24-2.23-30-02
MQC02052
2.23
3.0
24
S24-2.23-35-02
MQC02053
2.23
3.5
24
S24-2.23-45-02
MQC02051
2.23
4.5
36
S36-2.23-30-02
MQC02081
2.23
3.0
36
S36-2.23-35-02
MQC02082
2.23
3.5
36
S36-2.27-35-02
MQC02083
2.27
3.5
48
S48-2.23-30-02
MQC02008
2.23
3.0
48
S48-2.23-35-02
MQC02009
2.23
3.5
48
S48-2.23-40-02
MQC02013
2.23
4.0
48
S48-2.23-45-02
MQC02012
2.23
4.5
48
S48-2.27-30-02
MQC02010
2.27
3.0
48
S48-2.27-35-02
MQC02007
2.27
3.5
48
S48-2.27-45-02
MQC02006
2.27
4.5
Other types for different cell voltages or temperature coefficients are available upon request.
Cable length
[m]
2
2
2
2
2
2
2
2
2
2
2
2
2
05064
+ Sensor Sensor Temperature
wires cable sensor
i/Ucr
28
white
Vo+ 12
brown
22
Vogreen
Fig. 3:
Connection to the T unit.
+
Battery
05148
+ Sensor Sensor Temperature
wires cable sensor
U
Ucr
2
white
Vo+ 1
brown
9
Vogreen
+
Battery
Fig. 4:
Connection to the U unit.
Mechanical Dimensions
All dimensions in mm, tolerances ±0.3 mm unless otherwise specified.
25 ± 0.2
15
09044
12
European
Projection
l
60
l: 2 m standard length
other cable lengths on request
Fig. 5
T and U temperature sensor with mounting fixture.
adhesive tape
Edition 5/06.2001
2/4
 

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