View LA25-NP06_700946.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

Current Transducer LA 25-NP
For the electronic measurement of currents : DC, AC, pulsed, mixed, with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit).
IPN = 5-6-8-12-25 A
16080
Electrical data
IPN IP RM Primary nominal r.m.s. current Primary current, measuring range Measuring resistance @ with 15 V ISN KN VC IC Vd Vb @ 25 At max @ 36 At max 25 At 0 .. 36 At TA = 70C TA = 85C RM min RM max RM min RM max 100 320 100 190 100 315 100 185
Features
* Closed loop (compensated) multirange current transducer using the Hall effect * Insulated plastic case recognized according to UL 94-V0.
Secondary nominal r.m.s. current Conversion ratio Supply voltage ( 5 %) Current consumption R.m.s. voltage for AC isolation test, 50 Hz, 1 mn R.m.s. rated voltage 1), safe separation basic isolation
25 mA 1-2-3-4-5 : 1000 15 V 10 + IS mA 2.5 kV 600 V 1700 V
Advantages
* * * * * * *
Excellent accuracy Very good linearity Low temperature drift Optimized response time Wide frequency bandwidth No insertion losses High immunity to external interference * Current overload capability.
Accuracy - Dynamic performance data
X
L
Typical accuracy @ IPN , TA = 25C Linearity error Offset current 2) @ IP = 0, TA = 25C Residual current 3) @ IP = 0, after an overload of 3 x IPN Thermal drift of IO 0C .. + 25C + 25C .. + 70C - 25C .. + 85C - 40C .. + 85C Response time 4) @ 90 % of IPN di/dt accurately followed Frequency bandwidth (- 1 dB)
0.5 < 0.2 Typ 0.05 0.05 0.06 0.10 Max 0.15 0.15 0.25 0.35 0.5 1.2
% % mA mA mA mA mA mA s A/s kHz
IO IOM IOT
Applications
* AC variable speed drives and servo
motor drives
tr di/dt f
<1 > 50 DC .. 150
* Static converters for DC motor drives * Battery supplied applications * Uninterruptible Power Supplies
(UPS)
* Switched Mode Power Supplies
(SMPS)
General data
TA TS RP RS R IS m Notes : Ambient operating temperature Ambient storage temperature Primary resistance per turn @ TA = 25C Secondary coil resistance @ TA = 70C @ TA = 85C Isolation resistance @ 500 V, TA = 25C Mass Standards
1) 2) 3) 4)
- 40 .. + 85 C - 45 .. + 90 C < 1.25 m 110 115 > 1500 M 22 g EN 50178 : 1997
* Power supplies for welding
applications.
Pollution class 2 Measurement carried out after 15 mn functioning The result of the coercive field of the magnetic circuit With a di/dt of 100 A/s.
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
060327/13
Page 1/2
LEM
w w w .lem.com
Dimensions LA 25-NP
(in mm. 1 mm = 0.0394 inch)
Model + SP N Date code
Bottom view
Right view
Top view
Connection
IN OUT
Back view
Number of primary turns Primary current nominal maximum Nominal output current Turns ratio Primary resistance Primary insertion inductance Recommended connections
IPN [ A ] 25
IP
[A]
ISN
[ mA ]
KN 1/1000
RP
[ m ]
LP 0.023
[ H ]
54321 IN
1
36
25
0.3
OUT
6 7 8 9 10 54321 IN
2
12
18
24
2/1000
1.1
0.09
OUT 6 7 8 9 10 54321 IN
3
8
12
24
3/1000
2.5
0.21
OUT 6 7 8 9 10 54321 IN
4
6
9
24
4/1000
4.4
0.37
OUT 6 7 8 9 10 54321 IN
5
5
7
25
5/1000
6.3
0.58
OUT 6 7 8 9 10
Mechanical characteristics
* * * *
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
Remarks
* IS is positive when IP 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.
060327/13
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
Page 2/2
LEM
w w w .lem.com

▲Up To Search▲

Price & Availability of LA25-NP06

	To Download LA25-NP06 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .