Datasheet

120425/12
LEM reserves the right to carry out modications on its transducers, in order to improve them, without prior notice.
www.lem.com
Page 1/3
I
PN
= 50 .. 400 A
Features
Hall effect measuring principle
Galvanic isolation between
primary and secondary circuit
Isolation voltage 2500 V
Low power consumption
Wide power supply: ± 12 ..15 V
Primary bus bar option for 50
A and 100 A version for ease of
connection
Advantages
Small size and space saving
Only one design for wide current
ratings range
High immunity to external
interference.
Applications
AC variable speed drives
Static converters for DC motor
drives
Battery supplied applications
Uninterruptible Power Supplies
(UPS)
Switched Mode Power Supplies
(SMPS)
Power supplies for welding
applications
Application domain
Industrial
Current Transducer HTB 50 .. 400 - P
and HTB 50 .. 100 - TP
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).
Electrical data
Primary nominal Primary current Type
current rms measuring range
I
PN
(A) I
PM
(A)
± 50 ± 150
HTB 50-P, HTB 50-TP
1)
± 100 ± 300
HTB 100-P, HTB 100-TP
1)
± 150 ± 450
HTB 150-P
± 200 ± 500
HTB 200-P
± 300 ± 600
HTB 300-P
± 400 ± 600
HTB 400-P
V
C
Supply voltage (± 5 %)
2)
± 12 ..15 V
I
C
Current consumption ± 15 mA
V
d
Rms voltage for AC isolation test, 50 Hz, 1 min 2.5 kV
R
IS
Isolation resistance @ 500 VDC > 500 MW
V
OUT
Output voltage (Analog)@ ± I
PN
,
R
L
= 10kW, T
A
= 25°C
± 4 V
R
OUT
Output internal resistance 100 W
R
L
Load resistance > 10 kW
Accuracy - Dynamic performance data
X Accuracy @ I
PN
, T
A
= 25°C (excluding offset) < ± 1 % of I
PN
e
L
Linearity error
(0 .. ± I
PN
) < ± 1 % of I
PN
V
OE
Electrical offset voltage @ T
A
= 25°C < ± 30 mV
V
OH
Hysteresis offset voltage @ I
P
= 0;
after an excursion of 1 x I
PN
< ± 1 % of I
PN
TCV
OE
Temperature coefcient of V
OE
HTB 50-(T)P
< ± 2.0 mV/K
HTB 100-(T)P .. 400-P
< ± 1.0 mV/K
TCV
OUT
Temperature coefcient of V
OUT
(% of reading) < ± 0.1 %/K
t
r
Response time to 90% of I
PN
step < 3 µs
BW Frequency bandwidth (- 3 dB)
3)
DC .. 50 kHz
General data
T
A
Ambient operating temperature - 40 .. + 80 °C
T
S
Ambient storage temperature - 40 .. + 85 °C
m Mass < 30 ( < 36) g
Standards EN 50178 : 1997
2 pins of Ø2mm diameter are available on transducer
for PCB soldering
Notes :
1)
-TP version is equipped with a primary bus bar.
2)
Operating at ±12V ≤ Vc < ±15V will reduce the measuring range.
3)
Derating is needed to avoid excessive core heating at high frequency.

Summary of content (3 pages)