SIEMENS
2/91
Siemens D 83.1 · 2016
2
Motors with Explosion Protection
LOHER CHEMSTAR and VARIO 1PS1 motor series
General information
■
Technical specifications
(continued)
Mechanical design
Sectional view of CHEMSTAR 1PS1 three-phase motor,
frame sizes 90 to 200 LB,
Example: 1PS1131-0BD60-3AA4
(
motor type:
ANGK-132SR-02
)
7.5 kW, 2-pole
Sectional view of CHEMSTAR 1PS1 three-phase motor,
frame sizes 225 to 355,
with regreasing device (frame size 315 and above)
Example: 1PS1316-0BD60-3AA4
(
motor type:
ANGK-315LL-02
)
200 kW, 2-pole
Sectional view of VARIO three-phase motor, frame sizes 355 to 500,
with regreasing device
Example: 1PS1357-0BH60-3AA0
(
motor type: ANSK-355LC-02
)
355 kW, 2-pole
Enclosure, ventilation
Enclosure and fan for motors of the LOHER CHEMSTAR and VARIO 1PS1 series
G_D083_XX_00075
G_D083_XX_00076
G_D083_XX_00071
Frame size
Enclosure
Bearing plates
Fan cover
Fan
Material
Design of
enclosure feet
1)
Surface
Material
Flange ring
on bearing plate
Material
Material
LOHER CHEMSTAR
71
Cast-iron
Cast
With cooling fins
Cast-iron
Screwed on
Sheet steel
Plastic
3)
80 … 112
Cast,
optionally screwed on
132
Cast
2)
160
Screwed on
180 … 280
Screwed on
315
Metal
3)
355
Cast
Metal
3)4)
LOHER VARIO
355 … 450
Steel
Welded
With cooling fins
Cast-iron
–
Sheet steel
Metal
4)
500
Steel, bearing
hub in cast-iron
1)
For designs with feet only.
2)
Terminal boxes are screwed on at the side on frame sizes 132 and 160.
3)
With specific operating conditions, the external fans can be constructed
with special materials (see special versions).
4)
Only one direction of rotation for 2-pole and 4-pole version.
© Siemens AG 2016