1. General NC8 AC Contactor 2. Type Designation 3. Technical Data

C US
�
NC8 AC Contactor
1. General
Contactor, Relay,
Motor starter
1.1 Certificates: UL, VDE, UKREST;
1.2 Electric ratings: AC 50/60Hz, 690V, up to 100A;
1.3 Utilization category: AC-1, AC-3, AC-4;
1.4 Ambient temperature: -5 �~+40 �;
1.5 Altiude: �2000m;
1.6 Mounting category: �;
1.7 Mounting conditions: the inclination between mounting
and vertical plane not exceed �22.5 �;
1.8 Standard: IEC60947-4-1.
3. Technical Data
3.1 Main circuit
� 3P contactor AC operation
Items Model
Rated insulation voltage (V)
Conventional heating current (A)
380V
Rated
operational
current (A)
AC-1
AC-3,
AC-4
AC-3,
400V
380V
400V
660V
AC-4
690V
Power of
380V
controlled
400V
3-phase cage
660V
motor (kW) AC-3
690V
Mechanical Operating cycles operations/h
life
4
�10
operations
Electric life Operating cycles operations/h
AC-3
4
�10
operations
Mechanical Operating cycles operations/h
life AC-4
Matching fuse type
4
�10
operations
2. Type Designation
NC8- � � � / � �
Number of NC main contact (no code for 3-pole)
Number of NO main contact (no code for 3-pole)
Number of NC auxiliary contact (09~12A)*
Number of NO auxiliary contact (09~12A)*
Rated operational current (A) (AC-3, 380V/400V)
Design sequence number
AC contactor
Company code
* Note: Only for 3-pole, 9A, 12A type
NC8-09 NC8-12 NC8-16 NC8-25 NC8-32 NC8-40 NC8-50 NC8-63 NC8-80 NC8-100
690
20
20
20
9
9
6.8
6.8
4
4
5.5
5.5
1200
1000
1200
120
120
3.5
RT16-00 20A
690
20
20
20
12
12
6.8
6.8
5.5
5.5
5.5
5.5
1200
1000
1200
120
120
3.5
RT16-00 25A
690
32
32
32
16
16
14
14
7.5
7.5
11
11
1200
1000
1200
120
120
3.5
RT16-00 50A
690
40
40
40
25
25
14
14
11
11
11
11
1200
1000
1200
120
120
3.5
RT16-00 50A
.311. .312.
690
55
55
55
32
32
25
25
15
15
18.5
18.5
1200
1000
1200
120
120
3
RT16-00 63A
690
60
60
60
40
40
25
25
18.5
18.5
18.5
18.5
1200
1000
1200
120
120
3
RT16-00 80A
690
80
80
80
50
50
42
42
22
22
37
37
1200
1000
1200
120
120
3
RT16-00 100A
690
90
90
90
63
63
44
44
30
30
40
40
1200
1000
1200
120
120
3
RT16-00 125A
690
125
125
125
80
80
49
49
37
37
45
45
1200
1000
1200
120
120
3
RT16-00 160A
690
125
125
125
100
100
57
57
45
45
51
51
1200
1000
1200
120
120
3
RT16-00 200A

.313.
� 4P contactor AC operation
Items Model
Rated insulation voltage (V)
Conventional heating current (A)
380V
Rated
operational
current (A)
AC-1
AC-3,
AC-4
AC-3,
400V
380V
400V
660V
AC-4
690V
Power of
380V
controlled
400V
3-phase cage
660V
motor (kW) AC-3
690V
Mechanical Operating cycles operations/h
life
4
�10
operations
Electric life Operating cycles operations/h
AC-3
4
�10
operations
Mechanical Operating cycles operations/h
life AC-4
Matching fuse type
4
�10
operations
3.2 Auxiliary circuit
Utilization
category
AC-15
DC-13
3.3 Coil
Control circuit
Pick-up (VA)
COS�
Holding (VA)
Contactor, Relay,
Motor starter
Rated
insulation
voltage (V)
690
690
Conventional
heating
current (A)
10
10
NC8-09 NC8-12
690
20
20
20
9
9
6.8
6.8
4
4
5.5
5.5
1200
1000
1200
120
120
3.5
RT16-00 20A
Rated
operational
voltage (V)
380/400
220/230
Rated
operational
current (A)
Model of contact NC8-09~12 NC8-16~25 NC8-32~40 NC8-50~100
174
0.85
9
174
0.85
9
276
0.9
10
550
0.7
12
0.95
0.15
690
20
20
20
12
12
6.8
6.8
5.5
5.5
5.5
5.5
1200
1000
1200
120
120
3.5
RT16-00 25A
Control
capacity
360VA
33W

Model of contact NC8-09~12 NC8-16~25 NC8-32~40 NC8-50~100
COS �(capacitance) 0.15
Power consumption (W)
1.4
Coil consumption of coil (W)
0.4
Coil
code
Contactor type
NC8-09~25
NC8-32~40
NC8-50~100
Model of
contact
Control
voltage(V)
4. Technical Information
4.1 Cabling and tightening torque
NC8-09
NC8-12
NC8-16
NC8-25
NC8-32
NC8-40
NC8-50
NC8-63
NC8-80
NC8-100
5. Accessories
5.1 Air time-delay module
F5 � �
5.2 Top-mounted auxiliary contact
F4 - � �
50Hz
Q5
Q5
Q5
380
0.15
1.4
0.4
60Hz 50/60Hz
Q6
Q6
Q6
Q7
Q7
Q7
Conductor
Inflexible cable with
single core (mm )
2
2�1~2.5 2�1~2.5
2�2.5~10
2�2.5~10
2�6~16
2�6~16 1�10~50 1�10~50 1�10~50 1�10~50 0: time-delay range, 0.1s~3s
2: time-delay range, 0.1s~30s
4: time-delay range, 10s~180s
T: making time-delay
D: breaking time-delay
Time-delay module
Number of NC contact
Number of NO contact
Auxiliary contact assembly
M5
M5
M5
M6
M6
M6
0.1
1.4
0.45
0.3
3.7
0.65
220 110
50Hz 60Hz 50/60Hz 50Hz
60Hz 50/60Hz
M7
M7
M7
Flexible
stranded cable
2�0.75~2.5 2�0.75~2.5 �1.5~6
2�1.5~6 2�4~10 2�4~10 1�6~35 1�6~35 1�6~35 1�6~35 F5
F5
F5
Top-mounted air time-delay module F5
Top-mounted auxiliary contact module
F6
F6
F6
F7
F7
F7
Tightening
torque (N�m) 0.8~1.2
0.8~1.2
1~1.5
1~1.5
2~3
2~3
10~14
10~14
10~14
10~14
.314.

.315.
5.3 Side-mounted auxiliary contact Side-mounted auxiliary contact module: 1NO+1NC
auxiliary contact
N C F 8-1 1 C
Side-mounted type
1NC contact
1NO contact
Design sequence number
Auxiliary contact assembly
AC contactor
Company code
5.4 Mechanical interlock module
N C L 8-�
5.5 Assembly with electronic over-load relay
Model of
contactor
NC8-09
NC8-12
NC8-16
NC8-25
NC8-25
NC8-32
NC8-40
NC8-50
NC8-63
NC8-80
NC8-100
Contactor, Relay,
Motor starter
A: Applicable to 09~40A
B: Applicable to 50~100A
Design sequence number
Mechanical interlock module
AC contactor
Company code
Model
NRE8-25
NRE8-40
NRE8-100
Assembled thermal over-load relay
Rated
current (A)
1.2
2.4
4
8
10
12
20
25
4
8
10
20
40
65
100
Side-mounted type, with 2 assemblies of NC contact, both
mechanical and electric interlock could be realized.
Range of setting
current (A)
0.6~1.2
1.2~2.4
2~4
4~8
5~10
7~12
10~20
20~25
2~4
4~8
5~10
10~20
20~40
30~65
50~100
5.6 Derived products when the contactor is assembled with following accessory module
Recommended
fuse type
RT36-4 (NT00-4)
RT36-6 (NT00-6)
RT36-10 (NT00-10)
RT36-16 (NT00-16)
RT36-20 (NT00-20)
RT36-25 (NT00-25)
RT36-40 (NT00-40)
RT36-50 (NT00-50)
RT36-10 (NT00-10)
RT36-16 (NT00-16)
RT36-20 (NT00-20)
RT36-40 (NT00-40)
RT36-80 (NT00-80)
RT36-160 (NT00-160)
RT36-200 (NT1-200)
Derived products Contactor Auxiliary module Picture
Electromagnetic
starter
Thermal relay

5.6 Derived products when the contactor is assembled with following accessory module
Derived products Contactor Auxiliary module Picture
Time-delay
contactor
Reversing
contactors
Wye-delta
starter
6. Features
Air time-delay module
Air time-delay
module
Mechanical interlock
Auxiliary contact
assembly
6.1 Simple and Convenient replacement and maintenance for coil;
6.2 No noise during operation;
6.3 Multifunctional contactor can be derived when combined with various functional modules;
6.4 Compact design.
7. Overall and mounting dimension
Model A B C D A1 C1 a b b1 � f Weight(kg)
1)
NC8-09
NC8-12
NC8-16
NC8-25
NC8-32
NC8-40
NC8-50
NC8-63
NC8-80
NC8-100
45
45
45
45
54
54
72
72
72
72
77
77
81
81
87
87
125
125
125
125
Note: F is arcing distance
B
35 D
8
86
86
93.5
93.5
107
107
125
125
125
125
C
24.5
24.5
24.5
24.5
28
28
C1
65
65
65
65
75
75
92
92
92
92
119
119
127
127
142
142
157
157
157
157
35
35
35
35
45
45
62
62
62
62
b
65
65
65
65
72
72
114.5
114.5
114.5
114.5
A
�
M4-35 �(60~65)
A1
56
56
56
56
62
62
B
4.8
4.8
4.8
4.8
5
5
5.5
5.5
5.5
5.5
3
3
3
3
3
3
12
12
12
12
0.375
0.375
0.426
0.426
0.6
0.6
1.14
1.14
1.16
1.16
.316.