Current Transducers HAZ 4000..20000-SRI
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).
I
PN
= 4000..20000 A
I
OUT
= 0 - 20 mA
Preliminary
Electrical data
Primary nominal
current
I
PN
(A)
4000
6000
10000
12000
14000
20000
Primary current
measuring range
I
P
(A)
±
±
±
±
±
±
4000
6000
10000
12000
14000
20000
Type
HAZ
HAZ
HAZ
HAZ
HAZ
HAZ
4000-SRI
6000-SRI
10000-SRI
12000-SRI
14000-SRI
20000-SRI
Features
•
Hall effect measuring principle
•
Galvanic isolation between primary
± 15
V
± 50
mA
30,000
At
12
kV
1)
2000
V
> 1000
MΩ
0-20
mA DC
20
Ω
< 300
Ω
and secondary circuit
•
True-rms, 0-20mA DC current output
•
Isolation voltage 12kV~
•
Low power consumption
•
Package in PBT meets UL 94-V0
V
C
I
C
I
OC
V
d
V
b
R
IS
I
OUT
R
OUT
R
L
Supply voltage (± 5 %)
Current consumption
Overload capacity
R.m.s. voltage for AC isolation test, 60 Hz, 1 mn
R.m.s. rated voltage, safe separation
Isolation resistance @ 500 VDC
Output current @ ±
I
PN
,
T
A
= 25°C
Output internal resistance
approx.
Load resistance
Advantages
•
Easy mounting
•
Small size and space savings
•
Only one design for wide current
ratings range
•
High immunity against external
interference
Accuracy - Dynamic performance data
X
ε
L
I
OE
I
OM
I
OT
TC
ε
G
t
r
f
Accuracy @
I
PN
,
T
A
= 25°C (without offset)
Linearity
2)
(0 .. ±
I
PN
)
Electrical offset current,
T
A
= 25°C
Residud offset current @
I
P
= 0;
after an excursion of 1 x
I
PN
Thermal drift of
I
OE
Thermal drift of the gain (% of reading)
Arranging time constant
Frequency bandwidth
3)
(- 3 dB)
<±1
%
< ± 1 % of
I
PN
< ± 0.08
mA
< ± 0.025 mA
<
± 0.05 %of
I
N
/K
< ± 0.05 %/K
< 400
ms
DC .. 3
kHz
Applications
•
Battery supplied applications
•
Uninterruptible Power Supplies
(UPS)
•
Power supplies for welding and
telecommunication applications.
General data
T
A
T
S
m
Ambient operating temperature
Ambient storage temperature
Mass
Standards
4)
Minimum creepage & clearance
Housing PBT 30% glassfiber
- 10 .. + 80 °C
- 25 .. + 80 °C
approx. 6
kg
EN 50178
45
mm
CTI IIIa, UL94-V0
Notes :
1)
2)
3)
4)
Pollution class 2, overvoltage category III, reinforced insulation
Linearity data exclude the electrical offset.
Please refer to derating curves in the technical file to avoid excessive
core heating at high frequency
Please consult characterisation report for more technical details and
application advice.
040713/0
LEM Components
www.lem.com
LEM [ LEM ]
