Document
Current Transducer HX 03 ... 50-P
For the electronic measurement of currents: DC, AC, pulsed..., with galvanic separation between the primary and the secondary circuit.
IP N = 3 ... 50 A
Electrical data
Primary nominal Primary current, Primary conductor
Type RMS current measuring range diameter × turns
HX 03-P
IP N (A) 3
IP M (A) (mm) ±9 0.6 d × 20 T
HX 05-P
5 ±15 0.8 d × 12 T
HX 10-P
10 ±30 1.1 d × 6 T
HX 15-P
15 ±45 1.4 d × 4 T
HX 20-P
20 ±60 1.6 d × 3 T
HX 25-P
25 ±75 1.6 d × 2 T
HX 50-P
50 ±150 1.2 × 6.3 × 1 T
Uout Output voltage (Analog) @ ±IPN, RL = 10 kΩ, TA = 25 °C ±4
RL Load resistance
≥ 10
Rout Output internal resistance
< 50
UC Supply voltage (±5 %) 1)
±15
IC Current consumption
< ±15
V kΩ Ω
V mA
Accuracy - Dynamic performance data
ε Error @ IP N, TA = 25 °C (excluding offset)
εL Linearity error (0 ... ±IP N)
UO E Electrical offset voltage @ TA = 25 °C
UO H Hysteresis offset voltage @ IP = 0,
after an excursion of 1 × IP N
TCUO E Temperature coefficient of UO E
TCUout Temperature coefficient of Uout (% of reading)
tD 90 Delay time to 90 % of IP N
BW Frequency bandwidth (−3 dB) 2)
< ±1 < ±1 < ±40
% of IP N % of IP N
mV
±15 (typ) < ±1.5 ±0.1 ≤ 3 50
mV mV/K
%/K µs
kHz
General data
TA TS m
Ambient operating temperature Ambient storage temperature Mass Standard
−25 ... +85 °C −25 ... +85 °C 8 g EN 50178: 1997
Notes: 1) Also operate at UC = ±12 V, with measuring range reduced to ±2.5 × IP N 2) Small signal only to avoid excessive heating of the magnetic cores.
N° 74.79.06.000.0, N° 74.79.08.000.0, N° 74.79.13.000.0, N° 74.79.15.000.0 N° 74.79.17.000.0, N° 74.79.19.000.0, , N° 74.79.25.000.0
30October2019/version 15
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice
Features
●● Open loop technology current transducer using the Hall effect
●● Insulated voltage 3000 V ●● Extended measuring range (3 x
IP N) ●● Power supply from ±12 V to
±15 V ●● Insulating plastic case recognized
according to UL 94-V0.
Advantages
●● Low insertion losses ●● Low power consumption ●● Easy to mount with automatic
handling system ●● Small size and space saving ●● Only one design for wide current
ratings range ●● High immunity to external
interference.
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.
Application domain
●● Industrial.
Page 1/3
LEM International SA Chemin des Aulx 8 1228 PLAN-LES-OUATES Switzerland www.lem.com
Current Transducer HX 03 ... 50-P
Insulation coordination
Ud UNi Ue
dCp dCI CTI
RMS voltage for AC insulation test, 50 Hz/1 min Impulse withstand voltage 1.2/.