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11July2018/Version 1

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LES series

Insulation coordination

Parameter

Symbol

Unit

Value

Comment

RMS voltage for AC insulation test, 50 Hz, 1 min

U

d

kV

4.3

Impulse withstand voltage 1.2/50 μs

Û

W

kV

8

Insulation resistance

R

INS

GΩ

18

measured at 500 V DC

Partial discharge RMS test voltage (q

m < 10 pC)

U

t

kV

1.65

Clearance (pri. - sec.)

d

CI

mm

See dimensions drawing on

page 19

Creepage distance (pri. - sec.)

d

Cp

Case material

-

-

V0

According to UL 94

Comparative tracking index

CTI

600

Application example

V

300 V

CAT III, PD2

Reinforced insulation, non

uniform field according to

IEC 61800-5-1

Application example

V

600 V

CAT III, PD2

Basic insulation, non

uniform field according to

IEC 61800-5-1

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

−55

125

Mass

m

g

10