Datasheet

10
Technical data
1) As per IS/IEC 60947-1
2) Ratings at 1000V AC - upon enquiry.
ontime x 100
3) On-load factor (ED) in % =
cycle time
Max. switching freq. z = 50 per hour. Ratings at higher frequency upon enquiry.
Contactor Size 0 1 2
Type 3TF30 3TF31 3TF32 3TF33 3TF34 3TF35
Permissible ambient temperature Storage °C -55 to +80
Service °C -25 to +55
Maximum operating voltage V 690
Rated insulation voltage Ui (At Pollution Degree 3)
1)
V 690
Rated impulse strength Uimp kV 8
Mechanical endurance AC Cycles 15 x 10
6
10 x 10
6
(make/break operations) DC Cycles 15 x 10
6
10 x 10
6
Rating of contactors for AC loads
AC-1 duty, switching resistive load
Rated operational current Ie at 40°C upto 690V A 21 32 65
at 55°C upto 690V A 20 30 55
Ratings of three-phase loads
p.f.=1 at 55°C at 415V kW 13 19.7 36
500V kW 17 26 47.5
690V kW 22 34. 62.7
AC-2 and AC-3 duty
Rated operational current Ie
2)
upto 415V A 9 12 16 22 32 38
500VA9 1216173238
690V A 6.6 8.8 12.2 12.2 27 27.
Nominal rating of slipring or squirrel-cage at 415V kW 4 5.5 7.5 11 15 18.5
motors at 50/60 Hz. 500V kW 5.5 7.5 10 11 21 25
690V kW 5.5 7.5 11 11 23 23.
AC-4 duty (contact endurance approx.
2x10
5
make-break operations at Ia=6Ie)
Rated operational current Ie upto 690V A 3.3 4.3 7.7 8.5 15.6 18.5
Rating of squirrel-cage motors at 50/60Hz. at 415V kW 1.54 2.1 3.5 4 8.2 9.8
500V kW 1.7 2.5 4.6 5.2 9.8 11.8
Max. permitted rated operational current Ie/AC-4
= Ie/AC-3 upto 500V. Ref. life curve for the life. 690V kW 2.54 3.45 6 6.6 13 15.5
Used as stator contactor (upto 690V)
(AC-2 duty)
Stator currents Ies 20% A 20 20 25(46*) 85
On-load factor (ED)
3)
with intermittent duty 40% A 20 20 25(37*) 67
60% A 20 20 25(33*) 60
* Applicable up to 500V 80% A 20 20 25(30*) 55
Used as rotor contactor (upto 690V)
(AC-2 duty)
Rotor current Ier 20% A 31 73 125
On-load factor (ED)
3)
40% A 31 58 106
with intermittent duty 60% A 31 52 95
80% A 31 47 87
Locked rotor voltage Uer Starting V 1320 1320 1320
Plugging / Control V 660 660 660
AC-6b duty, switching low-inductance
individual three-phase capacitors 415V kVAR 4 7.5 16.7
at 50/60Hz
4)
500V kVAR 4 7.5 16.7
(we also offer special capacitor duty contactors) 690V kVAR 4 7.5 16.7
Thermal loading 10 s current A 90 96 130 176 400 400
Power loss per current path at Ie/AC-3 W 0.6 1.1 1 1.6 2 2.5
Rating of contactors for DC loads
DC-1 duty, switching resistive load (L/R < 1mS)
Rated operational current Ie (at 55°C)
Number of current paths in series connection 1 2 3 1 2 3 1 2 3
at 24V A 20 20 20 30 30 30 55 55 55
110V A 2.1 12 20 4.5 30 30 6 55 55
220V A 0.8 1.6 20 1 5 30 1 6 45
440V A 0.6 0.8 1.3 0.4 1 2.9 0.4 1.1 2.9
DC-3 and DC-5 duty, shunt & series motors (L/R < 15mS)
Rated operational current Ie (at 55°C)
Number of current paths in series connection 1 2 3 1 2 3 1 2 3
at 24V A 20 20 20 20 30 30 20 55 55
110V A 0.15 0.35 20 0.75 7 30 0.75 7 55
220V A - - 1.75 0.2 1 3.5 0.2 1 3.5
440V A - - 0.2 0.09 0.27 0.6 0.1 0.27 0.6