lf305-s ETC-unknow, lf305-s Datasheet
lf305-s
Manufacturer Part Number
lf305-s
Description
Current Transducer
Manufacturer
ETC-unknow
Datasheet
1.LF305-S.pdf
(3 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
lf305-s/SP10
Manufacturer:
LEM
Quantity:
26
Company:
Part Number:
lf305-s/SP11
Manufacturer:
DYNEX
Quantity:
87
Current Transducer LF 305-S
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
I
R
I
K
V
I
X
I
I
I
t
t
di/dt
BW
T
T
R
m
Notes:
061031/7
PM
SN
OT
r
PN
C
O
OM
ra
A
S
C
M
G
N
L
S
Electrical data
Accuracy - Dynamic performance data
General data
Primary nominal current rms
Primary current, measuring range
Measuring resistance
Secondary nominal current rms
Conversion ratio
Supply voltage (± 5 %)
Current consumption
Overall accuracy @ I
Linearity error
Offset current @ I
Magnetic offset current
after an overload of 3 x I
Temperature variation of I
Reaction time @ 10 % of I
Response time
di/dt accurately followed
Frequency bandwidth (- 1 dB)
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @ T
Mass
Standards
1)
2)
The result of the coercive field of the magnetic circuit
With a di/dt of 100 A/µs.
with ± 12 V
with ± 15 V
with ± 20 V
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
2)
P
to 90 % of I
= 0, T
PN
, T
1)
PN
A
@ I
A
= 25°C
O
PN
@ ± 300 A
@ ± 500 A
@ ± 300 A
@ ± 500 A
@ ± 300 A
@ ± 500 A
= 25°C
P
PN
= 0 and specified R
A
step
= 70°C
- 10°C .. + 70°C
max
max
max
max
max
max
16167
M,
300
0 .. ± 500
R
150
1 : 2000
± 12 .. 20
26
± 0.4
< 0.1
< 500
< 1
> 100
DC .. 100
- 10 .. + 70
- 25 .. + 85
25
95
EN 50178: 1997
15
15
± 0.1 ± 0.30
0
0
0
0
Typ
M mini
(@ ± 20 V)
± 0.20
± 0.08
Maxi
R
39
12
58
22
93
45
M maxi
+ I
S
A/µs
kHz
mA
mA
mA
mA
mA
ns
µs
°C
°C
%
%
A
A
V
g
I
Features
Advantages
Applications
Application domain
PN
Closed loop (compensated) current
transducer using the Hall effect
Isolated plastic case recognized
according to UL 94-V0.
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.
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.
Industrial.
=
300 A
www.lem.com
page 1/3
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