CHINT NA8G User Manual

Rated
current (A)
Default setting ratings
of short time-delay 8In (kA)
Setting
range (kA)
Delayed tripping
time (s)
Returnable time
Frame size
rated current
Rated
current (A)
630 800
1000 1250
1600
2000 2000 2500
3200
4.347~9.45
5.216~9.45
4.347~12
5.216~12
4.347~15
5.216~15
4.347~18.75
5.216~18.75
4.347~24
5.216~24
4.347~30
5.216~30
4.347~30
5.216~30
4.347~37.7
5.216~37.7
4.347~48
5.216~48
4.347~60
5.216~60
4.347~60
5.216~60
5~75
5.216~75
6.3~94.5
6.3~94.5
3.15
3.78(motor)
315
4.83~9.45
5.796~9.45
4.83~12
5.796~12
4.83~15
5.796~15
4.83~18.75
5.796~18.75
4.83~24
5.796~24
4.83~30
5.796~30
4.83~30
5.796~30
4.83~37.7
5.796~37.7
4.83~48
5.796~48
4.83~60
5.796~60
4.83~60
5.796~60
5~75
5.796~75
6.3~94.5
6.3~94.5
3.5
4.2(motor)
350
5.52~9.45
6.624~9.45
5.52~12
6.624~12
5.52~15
6.624~15
5.52~18.75
6.624~18.75
5.52~24
6.624~24
5.52~30
6.624~30
5.52~30
6.624~30
5.52~37.7
6.624~37.7
5.52~48
6.624~48
5.52~60
6.624~60
5.52~60
6.624~60
5.52~75
6.624~75
6.3~94.5
6.624~94.5
4.0
4.8(motor)
400
6.9~9.45
8.28~9.45
6.9~12
8.28~12
6.9~15
8.28~15
6.9~18.75
8.28~18.75
6.9~24
8.28~24
6.9~30
8.28~30
6.9~30
8.28~30
6.9~37.7
8.28~37.7
6.9~48
8.28~48
6.9~60
8.28~60
6.9~60
8.28~60
6.9~75
8.28~75
6.9~94.5
8.28~94.5
5.0
6.0(motor)
500
8.694~9.45 8.694~12
10.44~12
8.694~15
10.44~15
8.694~18.75
10.44~18.75
8.694~24
10.44~24
8.694~30
10.44~30
8.694~30
10.44~30
8.694~37.7
10.44~37.7
8.694~48
10.44~48
8.694~60
10.44~60
8.694~60
10.44~60
8.694~75
10.44~75
8.694~94.5
10.44~94.5
6.3
7.56(motor)
630
9.66~12
11.59~12
9.66~15
11.59~15
9.66~18.75
11.59~18.75
9.66~24
11.59~24
9.66~30
11.59~30
9.66~30
11.59~30
9.66~37.7
11.59~37.7
9.66~48
11.59~48
9.66~60
11.59~60
9.66~60
11.59~60
9.66~75
11.59~75
9.66~94.5
11.59~94.5
7.0
8.4(motor)
700
11.04~12
11.04~15
13.25~15
11.04~18.75
13.25~18.75
11.04~24
13.25~24
11.04~30
13.25~30
11.04~30
13.25~30
11.04~37.7
13.25~37.7
11.04~48
13.25~48
11.04~60
13.25~60
11.04~60
13.25~60
11.04~75
13.25~75
11.04~94.5
13.25~94.5
8.0
9.6(motor)
800
17.25~18.75
17.25~24
20.7~24
17.25~30
20.7~30
17.25~30
20.7~30
17.25~37.7
20.7~37.7
17.25~48
20.7~48
17.25~60
20.7~60
17.25~60
20.7~60
17.25~75
20.7~75
17.25~94.5
20.7~94.5
12.5
15.0(motor)
1250
NM8-630
NM8S-630
8.694~9.45 8.694~12
10.44~12
8.694~15
10.44~15
8.694~18.75
10.44~18.75
8.694~24
10.44~24
8.694~30
10.44~30
8.694~30
10.44~30
8.694~37.7
10.44~37.7
8.694~48
10.44~48
8.694~60
10.44~60
8.694~60
10.44~60
8.694~75
10.44~75
8.694~94.5
10.44~94.5
6.3
7.56(motor)
630
NM8S-630
NM8-1250
NM8S-1250
13.8~15
13.8~18.75
16.56~18.75
13.8~24
16.56~24
13.8~30
16.56~30
13.8~30
16.56~30
13.8~37.7
16.56~37.7
13.8~48
16.56~48
13.8~60
16.56~60
13.8~60
16.56~60
13.8~75
16.56~75
13.8~94.5
16.56~94.5
10
12(motor)
1000
4000 4000 5000 6300
NA1-2000X/NA1-2000XN/NA1-2000XH NA1-3200X/NA1-3200XN
NA1-4000X
NA1-6300X/NA1-6300XN
5.04
0.63～9.45
6.4
0.8~12
8
1~15
10
16 16
20
25.6 32 32
1.25~18.75
2~30 2~30 2.5~37.7 3.2~48 4~60 4~60
40
50.4
5~75
6.3~94.5
Downstream
Circuit breaker
0.1, 0.2, 0.3, 0.4 0.1, 0.2, 0.3, 0.4
0.06, 0.14, 0.23, 0.35 0.06, 0.14, 0.23, 0.35
Instantaneous
setting ratings (kA)
3.45~9.45
4.14~9.45
3.45~12
4.14~12
3.45~15
4.14~15
3.45~18.75
4.14~18.75
3.45~24
4.14~24
3.45~30
4.14~30
3.45~30
4.14~30
3.45~37.7
4.14~37.7
3.45~48
4.14~48
4~60
4.14~60
4~60
4.14~60
5~75
5~75
6.3~94.5
6.3~94.5
250
2.5
3.0(motor)
Upstream
12.8
1.6~24
C
NA1
Air Circuit Breaker
P-076
P-075
NA1
Air Circuit Breaker

CHINT NA8G Specifications

General

Brand	CHINT
Model	NA8G
Category	Circuit breakers
Language	English