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).
IPN = 50 .. 400 A
Electrical data
Primary nominal
current rms
IPN (A)
Primary current
measuring range
IPM (A)
Type
Features
± 50
± 150
± 300
± 450
± 500
± 600
± 600
HTB 50-P, HTB 50-TP1)
HTB 100-P, HTB 100-TP1)
HTB 150-P
HTB 200-P
HTB 300-P
● 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
± 100
± 150
± 200
± 300
± 400
HTB 400-P
VC
IC
Supply voltage (± 5 %)2)
Current consumption
± 12 ..15
± 15
2.5
> 500
± 4
100
> 10
V
mA
kV
MW
V
Vd
Rms voltage for AC isolation test, 50 Hz, 1 min
Isolation resistance @ 500 VDC
Output voltage (Analog)@ ± IPN, RL = 10kW, TA = 25°C
Output internal resistance
RIS
VOUT
ROUT
RL
Advantages
W
kW
Load resistance
● Small size and space saving
● Only one design for wide current
ratings range
Accuracy - Dynamic performance data
● High immunity to external
interference.
X
Accuracy @ IPN, TA = 25°C (excluding offset)
Linearity error (0 .. ± IPN)
Electrical offset voltage @ TA = 25°C
Hysteresis offset voltage @ IP = 0;
< ± 1
< ± 1
< ± 30
% of IPN
% of IPN
mV
e
L
Applications
VOE
VOH
● AC variable speed drives
● Static converters for DC motor
drives
● Battery supplied applications
● Uninterruptible Power Supplies
(UPS)
after an excursion of 1 x IPN < ± 1
% of IPN
mV/K
mV/K
%/K
TCVOE Temperature coefficient of VOE HTB 50-(T)P
HTB 100-(T)P .. 400-P
TCVOUT Temperature coefficient of VOUT (% of reading)
tr
BW
< ± 2.0
< ± 1.0
< ± 0.1
< 3
Response time to 90% of IPN step
Frequency bandwidth (- 3 dB)3)
µs
kHz
DC .. 50
● Switched Mode Power Supplies
(SMPS)
General data
● Power supplies for welding
applications
TA
TS
m
Ambient operating temperature
Ambient storage temperature
Mass
Standards
- 40 .. + 80
- 40 .. + 85
< 30 ( < 36)
EN 50178 :
°C
°C
g
Application domain
● Industrial
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.
Page 1/3
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
120425/12
www.lem.com
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