SIEMENS
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Siemens D 83.1 · 2016
2
Motors with Explosion Protection
LOHER CHEMSTAR and VARIO 1PS1 motor series
General information
■
Technical specifications
(continued)
Terminal box for 1PS1 motors
Degree of protection: IP55
Type of protection:
Ex e IIC acc. to EN 60079-7
Enclosure material:
Cast-iron
Number and size of entry thread and cable glands (to be ordered specially), see table "Cable glands for 1PS1 motors".
Cable glands for 1PS1 motors
Entry thread for PTC thermistor, heating: M20
×
1.5/D = 6 to 12 mm
Entry thread is sealed on delivery with certified plugs.
The terminal boxes will only be supplied with cable glands in accordance with the table if specially ordered. Special cable glands
can be fitted on request.
Frame size
Standard terminal box
Enlarged terminal box – Option
L00
Terminal studs
Conductor
cross-section
Auxiliary terminals in
main terminal box
PE/ground
connection
Fig. No.
on
Page 2/92
Terminal
studs
Conductor
cross-section
Fig. No.
on
Page 2/92
min.
max.
Number ×
max. cross-section
1)
max.
min.
max.
mm
2
mm
2
mm
2
mm
2
mm
2
mm
2
LOHER CHEMSTAR
90
6 × M4
1
2.5 (6)
2)
4 × 2.5
4
6
2)
Fig. 1
6 × M5
1
10 (25)
2)
Fig. 2
100
112
132
6 × M5
1
10 (25)
2)
25
Fig. 2
6 x M6
2.5
35 (50)
2)
Fig. 2
160
180
6 x M6
2.5
35 (50)
2)
12 × 4
70
Fig. 2
6 × M10
6
70
Fig. 3
200
225
250
6 × M10
6 … 70
95
Fig. 3
6 × M12
16
150
Fig. 4
280
315 S/M
6 × M12
16 … 150
16 × 4
150
Fig. 4
6 × M16
16
300
Fig. 4
315 L
6 × M16/M20
3)
16 … 300
Special connection system on request
LOHER VARIO
355 … 500
Fig. 5
Frame size
Standard cable glands
4)
Max. entry thread
5)
Entry thread
6)
Cable diameter, type HSK-K
7)
Metric
NPT
8)
mm
LOHER CHEMSTAR
90
1 × M25 × 1.5
9 … 16
1 × M25 × 1.5
1 × 1"
100
1 × M32 × 1.5
13 … 20
1 × M32 × 1.5
2 × 1"
112
2 × M32 × 1.5
2 × M32 × 1.5
132
2 × M40 × 1.5
2 × 1
1
/
2
"
160
2 × M40 × 1.5
22 … 32
180
2 × M63 × 1.5
2 × 2"
200
2 × M50 × 1.5
32 … 38
225
250
2 × M63 × 1.5
37 … 44
280
315 S/M
2 × M100 × 1.5
2 × 3
1
/
2
"
315 L
355
LOHER VARIO
355 … 500
9)
9)
9)
9)
1)
Rated voltage/max. working voltage 400 V/440 V.
2)
Maximum conductor cross-section with cable lug.
3)
Alternatively, larger studs for higher rated current.
4)
Materials used for standard gland: Polyamide
5)
Other threads, number and size on request.
6)
Number and size of entry threads according to DIN 42925.
7)
Cable glands suitable for the infeed of unshielded/non-reinforced cables
and leads.
8)
Cable glands for NPT thread on request.
9)
Undrilled gland plate.
© Siemens AG 2016