background image

14

K

ARA

T

Ðèñóíîê 1 — Ñâåòîäèîäû è ðåãóëÿòîðû âûêëþ÷àòåëÿ (íà ïðèìåðå ÂÀ88-35) /

Figure 1 — LEDs and regulators of the circuit breaker (by way of example 

Â

A88-35)

150

140

160

125

180

110

200

100

225

250

5

4

6

7

3

2

8

10

2,6

12

4

6

7

8

14

13

12

11

11

10

0.06

0.1

0.2

0.3

0.75

0.8

0.7

1

0.85

0.9

0.95

I

n

 = 250A

T

I

R

(A)

t

R

(s)

lsd(xI

R

)

tsd(s)

Ii(xI

R

)

Ip(xI

R

)

I

R

Isd I

i

I

1 2

3

4

5

6

7

8

9

60

80

100

12

Ðèñóíîê 2 — Âðåìÿ-òîêîâûå õàðàêòåðèñòèêè âûêëþ÷àòåëÿ / Figure 2 — Time-current characteristics of 
the circuit breaker

Время сраб

а

тыв

ания (с) /

Operating time, sec.

I

/

In

Максимальное время 
мгновенного срабатывания /

Maximum time of  momentary 
pickup

Уставка тока 
мгновенного 
срабатывания

 Ii

(4

ё

14)I

R

±

15 %

 / 

instantaneous

 

current 

setting

 (4

ё

14)I

R

±

15 %

Время задержки срабатывании 
от КЗ t

sd

 / Short-circuit response 

delay time

 

T

sd

 

Ток защиты от КЗ с задежкой I

sd

 

±

10 % / 

Delayed short-circuit protection current 
I

sd

±10

 

%

Summary of Contents for BA88-32

Page 1: ...17516 1 IEK 30 690 50 004 2011 020 2011 037 2016 IEC 60947 2 3 1 15150 88 MASTER KARAT 25 60 IEC 60947 1 IEC 60947 2 2000 5000 1 50 40 90 20 IP30 14254 IEC 60529 IP00 3 IEC 60947 1 1 88 MASTER RU KAR...

Page 2: ...2 t sd 1 5I OFF sd 35 I i OFF I p OFF 2 1 1 3 4 2I OFF R 2 t R OFF t t I R s d i KARAT...

Page 3: ...3 2 I 1 5Isd I sd 2I R 1 t 2 R IR 2 I 40 C I R 5 7 t 1 5I sd sd 3 4 6 5 KARAT...

Page 4: ...4 1 3 5 2 4 6 1 3 5 1 3 5 90 8 10 5 6 7 8 13983 1 5 6 6 10434 17441 KARAT...

Page 5: ...5 23216 4 2 15150 15 25 60 5 25 60 50 40 90 20 KARAT...

Page 6: ...ase altitude no more than 2000 m operation at the altitude of up to 5000 m is allowed with a decrease in the operating current taking into account the correction factor table 1 The electronic micropro...

Page 7: ...tection of the circuit breaker against overcurrents The circuit breaker is not affected by temperature changes but at an ambient temperature above plus 40 C the short circuit protection setting should...

Page 8: ...are shown in figure 7 The adapter tips are designated as For the central outlet and represent three straight copper busbars The extended terminals consist of one central and two side tires Completene...

Page 9: ...e control handle of the circuit breaker will take the middle position The interphase baffles included in the delivery set should be installed in the corresponding grooves during the installation of ex...

Page 10: ...rules for installation operation transportation and storage Table 1 Table 2 Parameter denomination Value Base altitude m 2000 3000 4000 5000 Correction factor of operating current 1 0 94 0 88 0 83 Par...

Page 11: ...of fasteners for connecting external conductors See text Tightening torque of fasteners for connecting external conductors N m 10 1 12 1 28 3 28 3 12 1 Thread size of fasteners for connecting externa...

Page 12: ...n OFF without protection 8 12 16 24 32 48 64 96 128 6 I Delayed short circuit sd protection current Isd 2 2 5 3 4 5 6 7 8 10 12 IR 8 IR 7 1 5 I t sd sd Response delay time at short circuit for curren...

Page 13: ...1 250 1 400 630 1 800 1 1250 Electric drive 32 35 39 40 43 Mounting plate of plug in type 1 125 1 250 1 400 630 1 800 Mechanical interlock 125 250 400 630 800 Extended outputs 125 32 35 250 39 400 630...

Page 14: ...0 3 0 75 0 8 0 7 1 0 85 0 9 0 95 In 250A T IR A tR s lsd xIR tsd s Ii xIR Ip xIR IR Isd Ii I 1 2 3 4 5 6 7 8 9 60 80 100 12 2 Figure 2 Time current characteristics of the circuit breaker Operating ti...

Page 15: ...54 92 5 30 17 5 30 116 82 28 5 28 5 25 5 25 5 25 4 5 88 35 250 165 146 126 300 107 35 23 35 116 85 22 5 22 5 18 5 18 5 60 5 4 5 88 39 630 257 224 194 471 150 48 31 44 151 99 40 5 41 5 34 5 35 5 47 7 8...

Page 16: ...for the switch Busbar for 88 32 88 35 88 39 88 40 Busbar for 88 43 A B D B A D 2 hole C Type Dimensions mm D 88 32 17 8 8 88 35 22 5 12 8 88 39 30 5 12 10 88 40 44 5 15 10 88 43 43 13 21 8 10 D Minimu...

Page 17: ...uit breaker in the switchboard 1 Non insulated connection 2 Insulated cable 3 Cable lugs Type Installation in a metal grounded shield Installation in an isolated shield mm D mm mm mm mm mm mm mm 88 32...

Page 18: ...he extended terminals and adapters for the switch Type Dimensions mm W H L D1 88 32 125 16 4 50 8 5 88 35 250 20 5 67 9 88 39 630 30 10 70 10 5 88 40 800 40 8 120 13 Type Dimensions mm D2 c a b 88 32...

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