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559E1200.indd

version: 1.0

Protection Micrologic 5 / 6 A or E trip units

Ratings (A)

In at 40 °C

(1)

40 100 160 250 400 630

Circuit breaker

&RPSDFW 16;

b b

-

-

-

-

&RPSDFW 16;

b b b

-

-

-

&RPSDFW 16;

b b b b

-

-

&RPSDFW 16;

-

-

-

-

b

-

&RPSDFW 16;

-

-

-

-

b b

L

Long-time protection

3LFN XS $

tripping between

1.05 and 1.20 Ir

Ir

= ...

dial setting

value depending on trip unit rating (In) and setting on dial

In = 40 A Io =

18 18 20

25 28

40

In = 100 A Io =

40 45 50 55

70 80 90 100

In = 160 A Io =

70 80 90 100 110 125 150 160

In = 250 A Io =

100 110 125 140 150 175 200 225 250

In = 400 A Io =

160 180 200

250 280

400

,Q $

Io =

250 280

400 450 500 570

keypad setting

)LQH DGMXVWPHQW LQ $ VWHSV EHORZ PD[LPXP YDOXH VHW RQ GLDO

Time delay (s)

accuracy 0 to -20 %

tr

= ...

keypad setting

0.5 1

2

4

8

16

[ ,U

15 25 50 100 200 400

[ ,U

0.5 1

2

4

8

16

[ ,U

0.7 1.4 2.8 5.5 11

Thermal memory

20 minutes before and after tripping

S

Short-time protection with adjustable time delay

3LFN XS $

accuracy ±10 %

Isd

,U [

dial setting

1.5

2

4

5

6

7

8

10

)LQH DGMXVWPHQW LQ [ ,U VWHSV XVLQJ WKH NH\SDG

Time delay (s)

tsd

= ...

keypad

setting

I

2

Off

0

0.1 0.2

0.4

I

2

On -

0.1 0.2

0.4

1RQ WULSSLQJ WLPH PV

20 80 140

0D[LPXP EUHDN WLPH PV

80 140 200

500

I

Instantaneous protection

3LFN XS $

accuracy ±15 %

Ii

,Q [

keypad setting

$GMXVWPHQW LQ VWHSV RI

[ ,Q RYHU WKH UDQJH [ ,Q WR

[ ,Q 16;

[ ,Q 16;

RU [ ,Q 16;

1RQ WULSSLQJ WLPH

0D[LPXP EUHDN WLPH

10 ms

50 ms for I > Ii

G

Ground-fault protection - for Micrologic 6 A or E

3LFN XS $

accuracy ±10 %

Ig

,Q [

dial setting

In = 40 A

0.4 0.4 0.5 0.6 0.7 0.8 0.9 1

Off

In > 40 A

0.2

0.4 0.5 0.6 0.7 0.8 1

Off

Fine ad

j

ustment in 0.05 A steps using the keypad

Time delay (s)

tg

= ...

keypad

setting

I

2

Off

0

0.1 0.2

0.4

I

2

On -

0.1 0.2

0.4

1RQ WULSSLQJ WLPH PV

20 80 140

0D[LPXP EUHDN WLPH PV

80 140 200

500

Test

Ig function

built-in

(1)

If the trip units are used in high-temperature environments, the Micrologic setting must take into account the thermal limitations of the circuit breaker. See the

temperature derating table.

A-19