Schneider Electric NSX100 User manual

Brand: Schneider Electric

Model: NSX100

Type: User manual

B-5

Safety clearance

Minimum distance between two

adjacent circuit breakers

Minimum distance between circuit

breaker and front or rear panels

DB115046.eps

Front

panel F

FB = 0

DB115697.eps

Bare or painted sheetmetal Note: if F < 8 mm: an insulating screen or long

terminal shield is mandatory (see page A-87).

Minimum safety clearances for Compact NSX100 to 630

Operating voltage Clearance (mm)

Between

devices

Between device and sheetmetal

Painted sheet metal Bare sheet metal

A1 C1 D1 D2 C1 D1 D2 D3

U y 440 V

for devices equipped with:

b no accessories 0 0 30 30 5 40 40 -

b short terminal shields 0 0 30 30 5 40 40 50

b interphase barriers 0 0 0 0 5 0 0 -

b long terminal shields 0 0 0 0 0 0 0 -

440 V < U y 500 V

for devices equipped with:

b short terminal shields 0 0 30 30 10 40 40 50

b interphase barriers (1) 0 0 0 0 20 10 10 -

b long terminal shields (2) 0 0 0 0 10 10 10 -

U > 500 V

for devices equipped with:

b short terminal shields 0 10 50 50 20 100 100 50

b long terminal shields 0 10 30 30 20 40 40 -

(1) Only for NSX100 to 250.

(2) For all cases.

Clearances with respect to live bare busbars

Minimum clearances for Compact NSX100 to 630

Operating voltage Clearances with respect to live bare busbars

spacing y 60 mm spacing > 60 mm

F1 F2 F1 F2

U < 440 V 350 350 80 80

440 V y U y 500 V 350 350 120 120

U > 500 V prohibited: insulating screen required between device and busbars

These clearances can be reduced for special installations as long as the conguration is checked

by tests.

Spacing y 60 mm

Spacing > 60 mm

Bars

DB115698.eps

Live busbars.

Minimum distance between circuit breaker and top, bottom or side panels

DB414826.eps

D2 C1

DB413243.eps

DB413244.eps

DB413245.eps

DB413246.eps

Short terminal shield rear connected.

Devices without accessories.

Devices with interphase barriers or long or short terminal shields.

Installation example

559E2100 Version : 3.1 13/04/2016

Schneider Electric NSX100 User manual

Schneider Electric NSX100 User manual

Schneider Electric NSX100 User manual

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