CASR-25-NP Datasheet, PDF (16/24 Pages) LEM – CAS / CASR / CKSR series Current Transducers

Absolute maximum ratings
Parameter
Supply voltage
Primary conductor temperature
ESD rating, Human Body Model (HBM)
Symbol
Unit
V_C
V
°C
kV
Value
7
110
4
Stresses above these ratings may cause permanent damage. Exposure to absolute maximum ratings for extended periods
may degrade reliability.
Isolation characteristics
Parameter
Unit
CAS
Value
CASR
Value
CKSR
Value
Comment
RMS voltage for AC isolation test 50/60Hz/1 min V_d kV
4.2
4.1
4.3
Impulse withstand voltage 1.2/50 µs
V^_w
kV
7.6
7.5
8
Partial discharge extinction voltage @ 10 pC (rms) V_e
V
1000
1000
1000
Clearance distance (pri. - sec.)
Creepage distance (pri. - sec.)
dCI mm
7.7
7.5
8.2 Shortest distance through air
Shortest path
dCp mm
7.7
7.5
8.2
along device body (CAS‑CASR)
Shortest internal path
along device body (CKSR)
Creepage distance (pri. .- sec.)
- mm
6.3
6.2
-
When mounted on PCB with
recommended layout (CAS‑CASR)
Case material
V0
V0
V0
-
- according according according
to UL 94 to UL 94 to UL 94
Comparative tracking index
CTI V
600
600
600
Application example
-
-
300 V
CAT III PD2
300 V
CAT III PD2
300 V
CAT III PD2
Reinforced isolation, non uniform field
according to
EN 50178, EN 61010, IEC 60364-4-43
Application example
Simple isolation, non uniform field
-
-
600 V 600 V 1000 V according to EN 50178,
CAT III PD2 CAT III PD2 CAT III PD2 EN 61010,
IEC 60364-4-43
Environmental and mechanical characteristics
Parameter
Ambient operating temperature
Ambient storage temperature
Mass
Symbol
T_A
T_S
m
Unit Min Typ Max
°C
-40
85
°C
-50
105
g
9
Comment
Standards
EN 50178, IEC 60950-1, IEC 61010-1, IEC 61326-1, UL 508C
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