Instruction manual

KRB-5377
19
3-2. Parts and Functions
Fig. 14 provides a general views of the ACB.
◯
1
ACB
◯
2
Draw-out cradle (front view)
◯
2
Draw-out cradle (rear view)
◯
2
Breaker body (rear view)
Fig. 14 General view and parts designation
OFF button ◯
4
ON-OFF button cover ◯
15
Lock-in-OFF
p
late ◯
14
◯
5
ON button
◯
15
ON-OFF button cover
◯
6
ON-OFF indicator
◯
7
Charge indicator
◯
8
Charging handle
Position switches ◯
37
Control circuit terminal ◯
38
Control circuit contact ◯
25
Main circuit contact ◯
24
Breaker fixing bolt (red) ◯
30
Draw-out rail ◯
31
Draw-out rail end ◯
32
Protrusion ◯
50
Specification nameplate ◯
22
Overcurrent release (OCR) ◯
18
OCR cover ◯
17
Front cover ◯
19
ON-OFF cycle counter ◯
16
◯
20
Rating nameplate
◯
9
Position indicator
◯
51
Draw-out handle
Position padlock lever ◯
13
Release button ◯
12
Draw-out handle insertion hole ◯
11
◯
39
Control terminal block cover
◯
49
Lifting hole (ø20mm)
◯
40
Cover fixing screw
◯
41
Auxiliary switches
◯
42
Terminal block
◯
34
Body stopper
◯
33
Hook pin
◯
35
Body stopper shaft
◯
36
Rail stopper
Arc gas barrier ◯
46
Gas exhaust port ◯
45
Main circuit terminal ◯
48
Breaker
draw-out arm ◯
47
Arc chamber ◯
26
Current sensor ◯
27
Main circuit contact ◯
24
◯
25
Control circuit contact
◯
28
Mold cover
◯
29
Mold base
◯
22
Specification nameplate
◯
10
Grip
◯
23
Breaker body roller