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21October2014/Version 3

LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice

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HO-P series

Insulation coordination

Parameter

Symbol

Unit

Value

Comment

U

d

kV

4.3

Impulse withstand voltage 1.2/50 µs

Û

W

kV

8

Partial discharge extinction voltage @ 10 pC (rms)

U

e

V

1650

Clearance (pri. - sec.)

d

CI

mm

8

Shortest distance through air

Creepage distance (pri. - sec.)

d

Cp

mm

8

Shortest path along device

body

Case material

V0 according

to UL 94

Comparative tracking index

CTI

600

Application example

-

-

600 V

CAT III PD2

Reinforced insulation, non

uniform field according to

EN 50178

Application example

-

-

300 V

CAT III PD2

Reinforced insulation, non

uniform field according to

IEC 61010

Application example

-

-

1000 V

CAT III PD2

Simple insulation, non uniform

field according to

EN 50178, IEC 61010

Environmental and mechanical characteristics

Parameter

Symbol

Unit

Min

Typ

Max

Comment

Ambient operating temperature

T

A

°C

-40

105

Ambient storage temperature

T

S

°C

-40

105

Surrounding temperature according to UL 508

°C

105

Mass

m

g

10

If it is same as secondary electrical potental, insulation of primary bus bar has to be considered.