LA25-NP Datasheet, PDF (2/2 Pages) LEM – Current Transducer LA 25-NP

Dimensions LA 25-NP (in mm. 1 mm = 0.0394 inch)
Bottom view
Right view
Top view
swiss
Standard 00
or N° SP..
Year Week
Secondary terminals
Connection
Terminal + : supply voltage + 15 V
in
Terminal M : measure
Terminal - : supply voltage - 15 V ^out
Number
of primary
turns
Primary current
n o m i n a l maximum
I [A] I [A]
PN
P
Nominal
output current
I
[ mA ]
SN
1
25
36
25
2
12
18
24
3
8
12
24
4
6
9
24
5
5
7
25
Turns
ratio
K
N
1/1000
2/1000
3/1000
4/1000
5/1000
Primary
resistance
R
P
[ mΩ ]
Primary insertion
inductance
L
[ µH ]
P
0.3
0.023
1.1
0.09
2.5
0.21
4.4
0.37
6.3
0.58
Recommended
connections
5 4 3 2 1 IN
OUT 6 7 8 9 10
5 4 3 2 1 IN
OUT 6 7 8 9 10
5 4 3 2 1 IN
OUT 6 7 8 9 10
5 4 3 2 1 IN
OUT 6 7 8 9 10
5 4 3 2 1 IN
OUT 6 7 8 9 10
Mechanical characteristics
Remarks
•General tolerance
•Fastening & connection of primary
•Fastening & connection of secondary
•Recommended PCB hole
± 0.2 mm
10 pins 0.7 x 0.6 mm
3 pins ∅ 1 mm
1.2 mm
•I_S
is
positive
when
I
P
flows
from
terminals
1,
2,
3,
4,
5
to
terminals 10, 9, 8, 7, 6
•This is a standard model. For different versions (supply
voltages, turns ratios, unidirectional measurements...),
please contact us.
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.