Datasheet
120425/12
LEM reserves the right to carry out modications on its transducers, in order to improve them, without prior notice.
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Current Transducer HTB 50 .. 400-P and HTB 50 .. 100-TP
Isolation characteristics
V
d
Rms voltage for AC isolation test, 50 Hz, 1 min 2.5 kV
V
e
Partial discharge extinction voltage rms @ 10pC > 500
V
V
w
Impulse withstand voltage 1.2/50 µs 4
kV
dCp Creepage distance > 4.5 mm
dCl Clearance distance > 4.5 mm
CTI Comparative tracking index (Group IIIa) 275
Application examples
According to EN 50178 and CEI 61010-1 standards and following conditions :
- Over voltage category III
- Pollution degree 2
- Heterogeneous eld
EN 50178 IEC 61010-1
Single isolation 300 V 300 V
Reinforced isolation 150 V 150 V
Safety
This transducer must be used in electric/electronic equipment with respect
to applicable standards and safety requirements in accordance with the
manufacturer’s operating instructions.
Caution, risk of electrical shock
When operating the transducer, certain parts of the module can carry hazardous
voltage (eg. primary busbar, power supply).
Ignoring this warning can lead to injury and/or cause serious damage.
This transducer is a built-in device, whose conducting parts must be inaccessible
after installation.
A protective housing or additional shield could be used.
Main supply must be able to be disconnected.



