Catalog

1
IEC Squirrel-Cage Motors
Introduction
General technical data
Connection boxes for 1LA, 1LG, 1LL, 1LP, 1PP and 1PQ motors in standard version and for Zone 22
See the next section of the catalogue for connection boxes for 1LA8, 1PQ8 and 1LL8.
Frame size Connection box Number of
terminals
Contact screw
thread
The connection box table does not apply to pole-changing
motors with three speeds.
Connection boxes for 1LA8 and 1PQ8 motors in standard version
Line-fed operation
Max. conductor
size
Sealing range Cable entry 1) 2) Two-part plate 3)
Max. outer cable
diameter
Type mm 2 mm Size mm
1LA5, 1LA7, 1LA9, 1LP5, 1LP7, 1PP5 and 1PP7
56 gk 030
6 M4 1.5
63
(gk 127) 4) (2.5 with cable
lug)
71
80
90
9 ... 17
4.5 ... 10
M25 x 1.5
M16 x 1.5
100 gk 130 6 M4 4 11 ... 21 M32 x 1.5 –
112
132 gk 230 6 M4 6 11 ... 21 M32 x 1.5 –
160 gk 330 6 M5 16 19 ... 28 M40 x 1.5 –
180
200 gk 430 6 M6 25 27 ... 35 M50 x 1.5 –
225 gk 431 6 M8 35 27 ... 35 M50 x 1.5 –
1LA6
100 gk 135 6 M4 4 11 ... 21 M32 x 1.5 –
112
132 gk 235 6 M4 6 11 ... 21 M32 x 1.5 –
160 gk 335 6 M5 16 19 ... 28 M40 x 1.5 –
1LG4, 1LG6, 1LP4, 1PP4 and 1PP6
180 gk 330 6 M5 16 19 ... 28 M40 x 1.5 –
200 gk 430 6 M6 25 27 ... 35 M50 x 1.5 –
225 gk 431 6 M8 35 27 ... 35 M50 x 1.5 –
250 gt 520 6 M10 120 34 ... 42 M63 x 1.5 –
280
315 gt 620 6 M12 240 5) 38 ... 45 M63 x 1.5 –
Frame size Connection
box
1LA8...
1PQ8...
....315 gt 640
....317 8) 9) 11)
....353
....355
....357-6
....357-8
Number
of
terminals
Contact
screw
thread
Cable
entry 6)
Max. rec. Outer cable
conductor
cross-
(sealing
diameter
section range)
Cable Auxiliary lead Two-part plate option K06
gland
Outer cable Cable entry Permissible
outer
Cable
option
K57 7) diameter
entry
cable
diameter
Type mm 2 mm Size Size mm Size mm Size mm
1XB1 621
8) 10)
6 M12 185 41.0 ... 56.5 2 x M72x2 + 2 x M72x2 7 ... 13 2 x M20x1.5 – – –
2 x M20x1.5
6 M16 240 56.0 ... 68.5 2 x M80x2 + 2 x M80x2 11.5 ... 15.5 2 x M25x1.5 40 ... 70 2 x D80 +
2 x M25x1.5
2 x M25x1.5
....357-2 1XB1 631 10) 12 M16 240 56.0 ... 68.5 4 x M80x2 +
....357-4 1XB1 634 10)
2 x M25x1.5
....40.
....45.
4x M80x2 11.5 ... 15.5 2 x M25x1.5 40 ... 75 4 x D80 +
2 x M25x1.5
–
Auxiliary
lead outer
cable
diameter
11.5 ... 15.5
11.5 ... 15.5
1)
2)
3)
4)
5)
Designed for cable glands with O-ring.
For 1LA7 motors frame sizes 100 to 160, speed nuts are enclosed for the
cable glands.
A two-part plate is available. Order code K06. Standard version for
1XB1 631 connection box. For frame size 250 M and above, with strain
relief.
(gk 127) For frame sizes 63 to 90, with additional installation of several
temperature sensors, order code A12 or a brake, a larger connection box
will be necessary. The specified values do not change.
With cable cross-sections ˜240 mm 2 , it is recommended that the next
larger connection box is used (Order code L00). Alternatively, order a twopart
plate (Order code K06).
6)
Others available on request.
7)
With option K57, the cable glands can be supplied.
8)
With option L00, the motor can be supplied with the 1XB1 631 connection
box (recommended for cable cross-sections ˜240 mm 2 ).
9)
Cable entry without removable plate, cable entry in connection box casing.
10) Cable entry with removable plate or supports.
11) With option M58, the motor can be supplied with the 1XB1 621 connection
box (recommended for cable cross-sections >185 mm 2 ).
1/42 Siemens D 81.1 · 2006