Datasheet

12
Power Contactors Technical Data
5) With AC coil. With DC coil: 1000 oprs/hr.
6) Including switching contactor.
7) Rated value of the control voltage.
Contactor Size 0 1 2 3
Type 3TF30 3TF31 3TF32 3TF33 3TF34 3TF35 3TF46 3TF47 3TF47 7
Switching frequency z
(Contactors without overload relay) Operation
No load AC Cycles/hr 10,000 10,000 5000 5000 5000 5000 5000 5000 5000
DC Cycles/hr 1,500 1,500 1,500 1,500 1,500 1,500 1,000 1,000 1,000
at AC-1 Cycles/hr 2,000 2,000 1,500 1,500 1,200 1,200 1,000 1,000 1,000
at AC-2 Cycles/hr 1,000 1,000 750 750 750 600 600 400 400
at AC-3 Cycles/hr 1,000 1,000 750 750 750 600 1200
5)
1000 1000
at AC-4 Cycles/hr 250 250 250 250 250 200 400 300 300
Coil ratings Supply frequency Hz 50 50 50 50
(cold coil 1.0 x Us)
AC operation 50Hz Closing VA 68 68 101 183
p.f. 0.79 0.82 0.83 0.6
Closed VA 10 10 12.1 17
p.f. 0.29 0.29 0.28 0.29
DC operation Closing W 6.2 6.2 11.7 400
Closed W 6.2 6.2 11.7 2.1
Coil voltage tolerance Operation
AC/DC 0.8 to 1.1 x Us 0.8 to 1.1 x Us
at 24V DC 0.8 to 1.2 x Us
Operating times at 1 x Us
8)
AC operation Closing ms 10-25 10 - 25 13 - 32 17 - 30
Opening ms 4-18 5 - 20 5 - 10 5 - 25
DC operation Closing ms 30-70 40 - 80 58 -107 22 - 40
Opening ms 12-20 10 - 20 13 - 17 105 - 115
Auxiliary contacts
Rated thermal current I
th
=
rated operational current Ie / AC-12 A10 10
Rated operational current Ie / AC-15/AC-14
at rated operational voltage Ue upto 125V A 10 10
220V A 10 6
415V A 5.5 3.6
500V A 4 2.5
Rated operational current Ie / DC12
at rated operational voltage Ue upto 48V A 10 10
110V A 2.1 3.2
220V A 0.8 0.9
440V A 0.6 0.33
Rated operational current Ie / DC13
at rated operational voltage Ue upto 24V A 10 10
48V A 5 5
110V A 0.9 1.14
220V A 0.45 0.48
440V A 0.25 0.13
Conductor cross-sections
Main conductor
Solid mm
2
2 x (0.5 to 1, 1 to 2.5), 1x4 2 x (2.5 to 6) 1 to 16 2 x (6 to 16)
Finely stranded with end sleeve mm
2
2 x (0.75 to 2.5) 2 x (1.5 to 4) 1 x (5 to 16, 2.5 to 10) 1 x (10 to 35), 2 x (10 to 25)
Pin end connector mm
2
1 x (1 to 2.5) 1 x (1 to 6) 2 x (1 to 6) –
Solid or stranded AWG 2 x (18 to 12) 2 x (14 to 10) 2 x (14 to 6) 2 x (10 to 1/10)
Tightening torque Nm 0.8 to 1.4 1 to 1.5 2.5 to 3.0 4 to 6
Finely stranded with cable lug mm
2
10 to 35
Terminal bar (max. width) mm 12
Solid or stranded AWG 7 to 1/0
Tightening torque Nm 4 to 6
Auxiliary conductor
Solid mm
2
2 x (0.5 to 1, 1 to 2.5), 1 x 4 2 x (0.5 to 1, 1 to 2.5), 1
Finely stranded with end sleeve mm
2
2 x (0.75 to 2.5) 2 x (0.75 to 2.5)
Pin end connector mm
2
1 x (1 to 2.5) 1 x (1 to 2.5)
Solid or stranded AWG 2 x (18 to 12) 2 x (18 to 12)
Tightening torque Nm 0.8 to 1.4 0.8 to 1.4
Short-circuit protection
Main circuit (Fuse type 3NA3) Co-ordination
Type - 1 A 35 35 63 63 80 80 160 160 160
Type - 2 A 25 25 32 32 80 80 125 125 160
Auxiliary circuits A16
A 6, if overload relay auxiliary contacts are in the contactor coil circuit