Datasheet
16 Motor Contactor J7KN
Contactors
Data according to IEC 60947-4-1, EN 60947-4-1, VDE 0660
Main Contacts Type
J7KN(G)-10(D) J7KN(G)-14(D) J7KN(G)-18(D) J7KN(G)-22(D)
J7KN(G)-24 J7KN(G)-32 J7KN(G)-40 J7KN-50 J7KN-62 J7KN-74
Maximum ambient temperature
Operation open °C -40 to +60 (+90)
*1
*1
With reduced control voltage range 0,9 up to 1,0 x U
s
and with reduced rated current I
e
/AC1 according to I
e
/AC3
enclosed °C -40 to +40
with thermal overlaod relay
open °C -25 to +60
enclosed °C -25 to +40
Storage °C -50 to +90
Short circuit protection
for contactors without thermal overload relay
Coordination-type
"
1
"
according to
IEC 60947-4-1
Contact welding without hazard of persons
max. fuse size
gL (gG) A 63 63 63 63 80 80 80 160 160 160
Coordination-type
"
2
"
according to
IEC 60947-4-1
Light contact welding accepted
max. fuse size
gL (gG) A 25 35 35 35 50 50 50 100 125 125
Contact welding not accepted
max. fuse size
gL (gG)A16161616253535506363
For contactors with thermal overload relay
the device with the smaller admissible
backup fuse (contactor or thermal overload
relay) determines the fuse size.
Cable cross-sections
for contactors without thermal overlad relay
1 cable per clamp
main connector
solid or stranded mm
2
0,75-6 1,5-25 4-50
flexible mm
2
1-4 2,5-16 10-35
flexible with multicore cable end mm
2
0,75-4 1,5-16 6-35
2 cables per clamp solid or stranded mm
2
6+(1-6) / 4+(0,75-4)
2,5+(0,75-2,5) / 1,5+(0,75-1,5)
16+(2,5-16) / 10+(4-16)
6+(4-16) / 4+(2,5-16)
50+4 / 35+6 / 25+(6-16)
16+(6-16) / 10+(6-16)
flexible mm
2
6+(1,5-4) / 4+(1-4)
2,5+(0,75-2,5) / 1,5+(0,75-1,5)
16+(2,5-6) / 10+(4-10)
6+(4-16) / 4+(2,5-16)
50+(4-10) / 35+(4-16)
25+(4-25) / 16+(4-16)
1 cable per clamp
main connector
solid AWG 18-10 16-10 12-10
flexible AWG 18-10 14-4 10-0
2 cables per clamp
solid AWG 10+(16-10) / 12+(18-12)
14+(18-14) / 16+(18-16)
10+(16-10) / 12+(18-12)
14+(18-14) / 16+(18-16)
10+(12-10) / 12+12
flexible AWG 10+(14-10) / 12+(18-12)
14+(18-14) / 16+(18-16)
4+(18-12) / 6+(18-8)
8+(18-8) / 10+(18-12)
1+(12-10) / 2+(8-12)
3+(12-8) / 4+(10-6)
Frequency of operations z
Contactors without thermal overload relay
10000 7000 7000
without load
1/h
AC3, l
e
1/h 600 600 400
AC4, l
e
1/h 120 120 120
DC3, l
e
1/h 600 600 400
Mechanical life
AC operated
S x 10
6
10 10 10
DC operated
S x 10
6
10 10 10
DC solenoid operated
(J7KNG)
S x 10
6
50 50 –
Short time current
10s-current
A 96 120 144 176 184 240 296 450 504 592
120s-current A 42 52 58 66 80 97 110 195 203 222
Power loss per pole
at I
e
/AC3 400V
W 0,21 0,35 0,5 0,75 0,7 1,3 2 2,2 3,9 5,5
contact resistance mW 2,1 1,8 1,5 1,5 1,2 1,2 1,2 1 1 1
Resistance to shock acc. to IED 68-2-27
Shock time 20ms sine-wave NO g 10 10 10 10 8 8 8 8 8 8
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