Instruction manual

KRB-5377
22
3-3. Circuits and Ratings
Fig. 17 shows an ACB(AGR-11B) circuit diagram and Table 9 and Fig. 18 show the function of each terminal and the meaning of
each sign in the diagram.
Fig. 17-1 Breaker circuits 1
Table 9-1 Terminal functions and circuit symbols 1 (Applicable to both 50 and 60Hz for AC. and mean the polarity for DC)
Terminal No. Function
□
02
,
□
22
AC100 - 120V, AC200 - 240V, DC100 - 125V, DC200 - 250V, DC24V or DC48V (To
be stated when ordering)
Operation power input terminals
□
03
,
□
12
ON switch Operation switch terminals
□
05
,
□
15
Group indication
□
05
,
□
17
Trip indication
□
05
,
□
27
Spring charged indication
Operation indication contact output
terminals
□
10
,
□
20
AC100V, AC110V, AC120V, AC200V, AC220V, AC240V, DC24V, DC48V, DC100V,
DC110V, DC125V, DC200V or DC220V (To be stated when ordering)
Shunt trip device power input
terminals
AC100V, AC200V or AC400V unit (To be stated when ordering)
Connect the unit to the applicable terminal Nos.
Terminal No. AC100V unit AC200V unit AC400V unit
□
08
,
□
09
AC100V AC200V AC380V
□
18
,
□
09
AC110V AC220V AC415V
□
28
,
□
09
AC120V AC240V AC440V
□
08
,
□
09
,
□
18
,
□
28
Undervoltage trip device power
input terminals
□
24
,
□
30
OFF switch Undervoltage trip
□
19
,
□
29
Polarity:
□
19
- ,
□
29
-
N-phase CT connection terminals *3
□
01
□
04
□
06
□
07
□
11
□
13
□
14
□
16
□
21
□
23
□
25
□
26
— (Reserved)