American Power Conversion SYMF800KH User Manual

Page 49

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background image

Residual Current Sense

Mains - inpu

t

UPS - outpu

t

PE

N

PE

PE

PE

Bypass - in

p

u

t

Bypass - outp

u

t

L1

L3

L2

L1

L3

L2

N

L1

L3

L2

L1

L3

L2

PE

Protective Earthing Conducto

r

Main Protective Earthing Termin

a

l

External SSW-Bypa

s

s

Symmetra M

W

( PDU )

Service Entran

c

e

Ma

in

invert

e

r

u

u

u

M

Main Protective Earthing Termin

a

l

PEN

PE

Q1

Q6

Q3

Q5

Earthing arrangements and protective conductors - Symmetra MW in "TN-C-S

installation"

E

Suitable earth

electrode

with reference to IEC 603

64-5-55 § 551.4.2

Residual current pr

o

te

ct

iv

e

device can be

used.

Residual Current Sense

Residual current pr

o

te

ct

iv

e

device can not b

e

used.

With refere

nce to:

IEC 60364-4-41 §

413.1.3.1

+-

+

-

Battery 1

Battery 2

Q7

Q8

Battery

1

Battery

2

PE

PE

Batte

ry

ra

c

k

Batte

ry

break

e

r

box

Q4

Delta

In

ve

rter

i

i

i

Common-mode filter

Switchge

a

r

PEN

See: IEC 60364-4-41

§

413.1.3

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