6
Mini Motor Contactor
J7KNA
■
Engineering data and Characteristics
Mini Motor Contactors
Data according to IEC 947-4-1, VDE 0660, EN 60947-4-1
Main Contacts
Type
J7KNA-09-...
J7KNA-12-...
Rated insulation voltage U
i
V AC 690
*1)
690
’1)
Making capacity I
eff
at U
e
= 690V AC
A
165
165
Breaking capacity I
eff
400V AC
A
100
100
cos
ϕ
= 0,65
500V AC
A
90
90
690V AC
A
80
80
Utilization category AC1
Switching of resistive load
Rated operational current I
e
(=I
th
) at 40°C, open
A
20
20
Rated operational power of three-phase resistive loads
230V
kW
7.9
7.9
50-60Hz, cos
ϕ
= 1
240V
kW
8.3
8.3
400V
kW
13.8 13.8
415V
kW
14.3
14.3
Rated operational current I
e
(=I
the
) at 60°C, enclosed
A
16
16
Rated operational power of three-phase resistive loads
230V
kW
6.3
6.3
50-60Hz, cos
ϕ
= 1
240V
kW
6.7
6.7
400V
kW
11
11
415V
kW
11.5
11.5
Minimum cross-section of conductor at load with I
e
(=I
th
)
mm² 2.5
2.5
Utilization category AC2 and AC3
Switching of three-phase motors
Rated operational current I
e
220V
A
12
15
open and enclosed
230V
A
11.5
14.5
240V
A
11
14
380-400V
A
9
12
415-440V
A
8
11
500V
A
7
9
660-690V
A
5
6.5
Rated operational power of three-phase motors
220-240V
kW
3
4
50-60Hz
380-440V
kW
4
5.5
500-690V
kW
4
5.5
Utilization category AC4
Switching of squirrel cage motors, inching
Rated operational current I
e
220V
A
12
15
open and enclosed
230V
A
11.5
14.5
240V
A
11
14
380-400V
A
9
12
415-440V
A
8
11
500V
A
7
9
660-690V
A
5
6.5
Rated operational power of three-phase motors
220-240V
kW
3
4
50-60Hz
380-440V
kW
4
5.5
500-690V
kW
4
5.5
