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Current Transducer APR-B420L
General data
T A
T S
m
IPxx
Ambient operating temperature
Ambient storage temperature
Mass
Protection degree
- 20 .. + 60
- 20 .. + 85
90
IP20
°C
°C
g
Isolation characteristics
V b
Rated isolation voltage rms 4)
300
V
with IEC 61010-1 standards and following conditions :
- Reinforced isolation
- Over voltage category CAT III
- Pollution degree PD2
- Heterogeneous field
V d
V e
V w
dCp
dCl
CTI
Rms voltage for AC isolation test 5) , 50 Hz, 1min
Partial discharge extinction voltage rms @ 10 pC
Impulse withstand voltage 1.2/50 μ s
Creepage distance
Clearance distance
Comparative tracking index (Group I)
5
1.5
6.1
5.5
5.5
600
kV
kV
kV
mm
mm
Notes : 4) If insulated cable is used for the primary circuit, the voltage category could
be improved according to the insulation characteristics given by the cable
manufacturer.
e.g.
Cable insulation (primary)
HAR 05
HAR 07
Category
600V CAT III
1000V CAT III
5)
Between primary (completely filling the aperture) and secondary.
Page 2/4
071022/6
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
www.lem.com
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