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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
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