Datasheet

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110214/10 LEM reserves the right to carry out modications on its transducers, in order to improve them, without prior notice www.lem.com
Current Transducer LTSR 25-NP
General data
T
A
Ambient operating temperature - 40 .. + 85 °C
T
S
Ambient storage temperature - 40 .. + 100 °C
m Mass 10 g
Standards
1)
EN 50178: 1997
IEC 60950-1: 2001
Isolation characteristic
V
d
Rms voltage for AC isolation test, 50 Hz, 1 min 3 kV
V
w
Impulse withstand voltage 1.2/50 µs > 8 kV
Min
V
e
Rms voltage for partial discharge extinction 10 pC > 1.5 kV
Min
dCp Creepage distance
1)
15.35 mm
dCI Clearance distance
2)
6.2 mm
CTI Comparative Tracking Index (group IIIa) 175
Applications examples
According to EN 50178 and CEI 61010-1 standards and following conditions:
● Over voltage category OV 3
● Pollution degree PD2
● Non-uniform eld
Notes:
1)
On housing
2)
On PCB with soldering pattern UTEC93-703.
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.
EN 50178 EIC 61010-1
dCp, dCI, Rated insulation voltage Nominal voltage
Single insulation 600 V 600 V
Reinforced insulation 300 V 300 V
V
w