Technical Data - Siemens 3TF44 Instrucciones De Servicio

Technical Data

Weight
> a.c. operated
> d.c. operated
Permissible ambient temperature
> Operation
> Storage
Main circuit
Rated insulation voltage U
i
Rated operational current I e /AC>1 (55 ∞C) A
Rated operational voltage
> 230 V
> 240 V
> 400 V
> 415 V
> 500 V
> 690 V
Horsepower Ratings ( and
Rated insulation voltage U
i
Continuous current
(open and enclosed type)
> 200 V
> 230 V
> 460 V
> 575 V
Suitable for use on a circuit capable of delivering not more than 5000 rms
symmetrical amperes, 600 V max.
Short>circuit protection:
Degree of protection to
DIN VDE 0660/part 102 A/IEC 60947>4 **
> Assignment type 1
> Assignment type 2
> Non>welding I K <100¥I e
> Non>welding I K f100¥I e
** Footnote:
According to IEC 60947/VDE 0660, the types of protection mean:
∫Assignment type 1∫: Short circuits can cause damage to the contactors making replacement of the equipment necessary.
** Footnote:
∫Assignment type 2∫ : Easily separable contact welding but no other damage.
approx. 760 g
approx. 1430 g
> 25 to+55 ∞C
> 50 to+80 ∞C
AC 690 V
55
Motor rating P /AC>3
N
3TF44 3TF45
kW 8.5 11
kW 9 12
kW 15 18.5
kW 17 20
kW 21 25
kW 23 23
ratings)
AC 600 V
Rated output of three>phase
motors at 60 Hz
3TF44..>....1 3TF44 3TF45
NEMA/EEMAC
SIZE 1
A 27 42
hp 7.5 10
hp 7.5 10
hp 10 25
hp 10 25
Fuse>links Duty class gL
(gG)
A 80
A 63
A 25
A 25
Auxiliary circuit
Rated insulation voltage U i
Rated operational current I e /AC>11
Short>circuit protection:
> Fuse>links
NEOZED and DIAZED, gL (gG)
> Circuit>breaker, C>Char.
Fig. A
L1
CIRCUIT
PROTECTIVE
L2
DEVICE
L3
(IF USED)
STOP
(1)
45
10
15
2 WIRE CONTROL (IF USED)
25
25
For further data and accessories see Catalog NSK.
AC 690 V
A 5.6 at AC 230 V
A 16
A 10
M OLR
M OLR
M OLR
FUSE
H4 PRI. H1
X1 X2
SEC.
FUSE
START
(2) (3)
44 43
M
A1 A2
M
T1
3
T2
PHASE
MOTOR
T3
FUSE
OLR
95 96
3