3RT1/3RH1 contactors
SIRIUS System Manual
3-122
GWA 4NEB 430 0999-02b
3RT10 4. contactors for switching motors
3RT14 contactors, 3-pole
Contactor Frame size
Type
S3
3RT10 44
S3
3RT10 45
S3
3RT10 46
Current carrying capacity with direct current
Utilization category DC-1,
switching of resistive loads (L/R
≤
1 ms)
Rated operational current
I
e
(at 60 °C)
Number of conducting paths in series connection 1 2 3 1 2 3 1 2 3
Up to 24 V
60 V
110 V
A
A
A
90 90 90
23 90 90
4.5 90 90
100 100 100
60 100 100
9100 100
100 100 100
60 100 100
9100100
220 V
440 V
600 V
A
A
A
1570
0.4 1 2.9
0.26 0.8 1.4
210 80
0.6 1.8 1.8
0.4 1 1
2 10 80
0.6 1.8 4.5
0.4 1 2.6
Utilization categories DC-3 and DC-5,
shunt and series motors (L/R
≤
15 ms)
Rated operational current
I
e
(at 60 °C)
Number of conducting paths in series connection 1 2 3 1 2 3 1 2 3
Up to 24 V
60 V
110 V
A
A
A
40 90 90
69090
2.5 90 90
40 100 100
6.5 100 100
2.5 100 100
40 100 100
6.5 100 100
2.5 100 100
220 V
440 V
600 V
A
A
A
1735
0.15 0.42 0.8
0.06 0.16 0.35
1 7 35
0.15 0.42 0.8
0.06 0.16 0.35
1 7 35
0.15 0.42 0.8
0.06 0.16 0.35
Switching frequency
Switching frequency
z
in operating cycles/hour AC DC AC DC AC DC
Contactors without overload relay No-load operation fre-
quency
1/h 5000 1000 5000 1000 5000 1000
Dependency of switching frequency
z’
on operating current
I’
and operating voltage
U’
:
z’
=
z
⋅⋅
1. 5
1/h
With AC-1
With AC-2
With AC-3
With AC-4
1/h
1/h
1/h
1/h
AC/DC
1000
400
1000
300
AC/DC
900
400
1000
300
AC/DC
900
350
850
250
Contactors with overload relay (average value) 1/h 15 15 15
Contactor Frame size
Type
S3
3RT14 46
Mechanical life
Opera-
ting
cycles
10 mill.
Service life
Utilization category AC-1 at
I
e
Opera-
ting
cycles
0.5 mill.
Rated insulation voltage
U
i
(pollution degree 3) V 1000
Rated impulse strength U
imp
kV 6
Protective separation
between the coil and main contacts
(in acc. with DIN VDE 0106 Part 101 and A1 [Draft 2/89])
V690
Permissible ambient temperature
For operation
During storage
°C
°C
–25 to +60
–55 to +80
Degree of protection
in acc. with IEC 60 947-1 and DIN 40 050 IP 20 (terminal housing IP 00), actuating system IP 40
Operating range of the magnet coils
AC/DC 0.8 to 1.1 x
U
s
Power input of the magnet coils
(cold coil and at 1.0 x
U
s
)
Standard version For USA and Canada
AC operation Hz 50 50/60 50 60
Making capacity
cos
ϕ
Holding power
cos
ϕ
VA
VA
270 298 /274 270 300
0.68 0.7 / 0.62 0.68 0.52
22 27 / 20 22 21
0.27 0.29/ 0.31 0.27 0.29
DC operation making capacity = holding power W 15
Shock resistance
Rectangular impulse With AC and DC operation
g
/ms 6.8/5 and 4/10
Sine pulse With AC and DC operation
g
/ms 10.6/5 and 6.2/10
I
e
I
′
-----
400
V
U
′
-------------