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PDF LAX100-NP Data sheet ( Hoja de datos )
| Número de pieza | LAX100-NP | |
| Descripción | Current Transducer | |
| Fabricantes | LEM | |
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Current Transducer LAX SERIES
IPN = 16 - 100 A
Ref: LAX 100-NP
For the electronic measurement of currents: DC, AC, pulsed .... , with a galvanic isolation
between the primary circuit (high power) and the secondary circuit (electronic circuit).
Maxi. 16.5 mm
Features
• Closed loop (compensated) current transducer using the
hall effect
• Printed circuit board mounting
• Isolated plastic case recognized according to UL 94-V0
• Multirange with a single device: 16, 25, 33, 50 and 100 A rms
• 3 independent primary jumpers.
Applications
• AC variable speed drives and servo motor drives
• Static converters for DC motor drives
• Battery supplied applications
• Uninterruptible Power Supplies (UPS)
• Switched Mode Power Supplies (SMPS)
• Power supplies for welding applications.
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
• Height less than 16.5 mm for a simplified integration with
power modules
• Low primary inductance.
Standards
• EN 50178
• UL508 - UR marking
• IEC 61010-1-safety.
Application Domain
• Industrial.
070615/8
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
Page 1/12
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1 page  
Typical performance characteristics
LAX series 16-100 A
120
100
80
60 AC
40 DC
20
0
-50 -25 0 25 50 75 100
Ambient temperature (°C)
Figure 2: Current derating
60
50 TA = -40 .. 85 °C
40
30
20
10
0
11.5 12.5 13.5 14.5 15.5
Maximum power supply Vc (V)
Figure 4: Minimum measuring resistance (DC)
120
TA = 85 °C, VC = ±15.75 V, RM = 0 Ohm
100 Busbar temperature < 100°C
80
60
40
20
0
1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06
Frequency (Hz)
Figure 3: Frequency derating
250 Vc = ±15 V ±5%
Vc = ±12 V ±5%
200
150
100
50
TA = -40 .. 85 °C
0
0 50 100 150
Measuring range (At)
Figure 5: Maximum measuring resistance
200
0.8
Np = 1, Low speed PCB
0.6 Np = 1, High speed PCB
0.4
0.2
TA = 25 °C
0.0
0
50 100
Measuring range (A)
Figure 6: Linearity error
150
600
Maxi
400 Mini
200
0
-200-50 -25 0 25 50 75 100
-400
-600
VC = ± 11.4 to ±15.75 V
Ambient temperature (°C)
Figure7: Electrical offset drift
070615/8
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
Page 5/12
www .lem.com
5 Page 
High and low speed PCB designs
LAX series 16-100 A
High speed PCB designs (recommended)
High speed 1 turn
Low speed PCB designs
Low speed 1 turn
High speed 2 turns
Low speed 2 turns
High speed 3 turns
Low speed 3 turns
070615/8
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
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| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LAX100-NP.PDF ] | |
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