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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, 2
> non>welding
Auxiliary circuit
Rated operational voltage
> 230 V
> 400 V
> 500 V
> 690 V
Rated operational voltage
> 24 V
> 48 V
> 110 V
> 220 V
> 440 V
> 600 V
Short>circuit protection:
> Fuse>links
NEOZED and DIAZED, gL (gG)
> Circuit>breaker, C>char.
** 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.
∫Assignment type 2∫: Easily separable contact welding but no other damage.
ratings)
AC 600 V
Rated output of three>phase
motors at 60 Hz
3TF42..>....1
3TF42 3TF43
NEMA/EEMAC
SIZE 0
A
18
22.5
hp
3
5
hp
3
5
hp
5
10
hp
5
15
Fuse>links Duty class
gL (gG)
3TF42
3TF43
A
35
50
A
16
16
Rated operational
current I e /AC>15/AC>11
A
9.6
A
5.5
A
4
A
1.8
Rated operational
current I e /DC>13/DC>11
A
10
A
5
A
0.9
A
0.45
A
0.25
A
0.2
A
16
A
16
Fig. A
L1
CIRCUIT
PROTECTIVE
L2
DEVICE
L3
(IF USED)
27
7.5
7.5
15
20
STOP
(1)
2 WIRE CONTROL (IF USED)
For further data and accessories see Catalog NSK.
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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