LA200-P_06 Datasheet, PDF (1/2 Pages) LEM – Current Transducer

Current Transducer LA 200-P
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).
I_PN = 200 A
16044
Electrical data
I
Primary nominal r.m.s. current
PN
I_P
Primary current, measuring range
R
Measuring resistance @
M
with ± 12 V
with ± 15 V
@ ± 200 A
max
@ ± 250 A _max
@ ± 200 A
max
@ ± 300 A _max
200
A
0 .. ± 300
A
T = 70°C T = 85°C
A
A
R R R R _{M min M max M min M max}
0 30 0 26 Ω
08 04 Ω
0 60 0 56 Ω
0 12 0 8 Ω
Features
• Closed loop (compensated) current
transducer using the Hall effect
• Printed circuit board mounting
• Insulated plastic case recognized
according to UL 94-V0.
I _SN Secondary nominal r.m.s. current
100
mA _Advantages
K
Conversion ratio
N
1 : 2000
V_C Supply voltage (± 5 %)
± 12 .. 15
V _{• Excellent accuracy}
I
Current consumption
C
16
(@
±
15
V
)
+
I
S
mA
• Very good linearity
V_d
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
3
kV _{• Low temperature drift}
V
R.m.s. rated voltage, ¹⁾
b
safe separation 900
V _{• Optimized response time}
basic isolation 450
V _{• Wide frequency bandwidth}
V_e
R.m.s. voltage for partial discharge extinction
V_W Impulse withstand voltage 1.2/50 µs
Accuracy - Dynamic performance data
> 1.8
>8
kV • No insertion losses
kV ^{• High immunity to external}
interference
• Current overload capability.
X
Accuracy @ I_PN , T_A = 25°C
@ ± 15 V (± 5 %) ± 0.40
%
@ ± 12 .. 15 V (± 5 %) ± 0.65
%
ε_L
Linearity error
< 0.15
%
Typ Max
I_O
Offset current @ I_P = 0, T_A = 25°C
± 0.20 mA
I_OM Residual current ²⁾ @ I_P = 0, after an overload of 3 x I_PN
± 0.25 mA
I _OT Thermal drift of I_O
0°C .. + 70°C ± 0.10 ± 0.25 mA
- 40°C .. + 85°C ± 0.15 ± 0.55 mA
t _ra
t
r
di/dt
f
Reaction time @ 10 % of I_{P max}
Response time ^{3) 4)} @ 90 % of I
P max
di/dt accurately followed ⁴⁾
Frequency bandwidth ⁴⁾ (- 1 dB)
< 500
<1
> 200
DC .. 100
ns
µs
A/µs
kHz
General data
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.
T_A
Ambient operating temperature
T
Ambient storage temperature
S
R _S Secondary coil resistance @
m
Mass
T_A = 70°C
T = 85°C
A
- 40 .. + 85
- 40 .. + 90
76
80
40
°C ^{Application Domain}
°C
Ω ^{• Industrial.}
Ω
g
Standards
EN 50178 : 1997
Notes : ¹⁾ Pollution class 2 ²⁾ The result of the coercive field of the magnetic circuit
3) _{With a di/dt of 100 A/µs} 4)_{The primary conductor is best filling}
the through-hole and/or the return of the primary conductor is above
the top of the transducer.
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
060303/12
Page 1/2
LEM
www.lem.com