KRB-5404
20
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 plate
◯
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
Ground terminal
M8 tapped hole
◯
44
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
