1
2
Main Use Purpose and Application Scope
NQ2 series electromagnetic starter (hereinafter referred to as starter) is mainly used in electric circuits
with AC frequency of 50Hz (or 60Hz), rated operating voltage up to 660V and rated operating current up to
68A for controlling the direct start and stop of electric motor. Starter with thermal overload relay
(hereinafter referred to as thermal relay) can be used to protect the overload and phase loss of electric
motor.
Key Technical Parameters
01
NQ2 Series Electromagnetic Starter
Table 1 Ambient Conditions
Ambient temperature (℃)
Hot and humid atmospheric conditions
Altitude
Pollution class/installation category
-
5℃~+40℃, average temp. not exc35℃ within 24h
+40℃, RH not exceeding 50% and may reach 90% at +20℃
No influence below 2,000m
Class 3/
Ⅲ
Table 2 Key Technical Parameters of Starter (I)
AC-3
660V
380V
220V
Model
Conventional
free air
thermal
current of
shell frame,
Ith (A)
Rated
operating
current
of shell
frame,
Ie (A)
Rated power control of
shell frame, Pe (kW)
AC
contactor
model
assembed
Thermal
relay
model
assembled
Setting
current
range of
thermal
relay (A)
Button
type of
starter
with
button
0.1~0.16
0.16~0.25
0.25~0.4
0.4~0.63
0.63~1
1~1.6
1.25~2
1.6~2.5
2.5~4
4~6
5.5~8
7~10
9~13
12~18
17~25
23~32
28~36
NQ2-15
□/
1
NQ2-15
□/
2
NQ2-15
□/
3
NQ2-15
□/
4
13
18
25
36
12
18
25
32
7.5
10
15
18.5
5.5
7.5
11
15
3
4
5.5
7.5
NC1-12
NC1-18
NC1-25
NC1-32
NR2-25
NR2-36
NP2-EA31
(start)
NP2-EA42
(stop)
