SIEMENS
2/41
Siemens D 83.1 · 2016
2
Motors with Explosion Protection
LOHER CHEMSTAR and VARIO 1PS4 and 1PS5 motor series
General information
■
Technical specifications
(continued)
Terminal boxes for 1PS4 and 1PS5 motors
Degree of protection: IP55
Type of protection:
Ex e II, alternatively Ex d IIC acc. to EN 60079-0/EN 60079-1/EN 60079-7
Enclosure material:
Cast-iron
Number and size of entry threads and cable glands (to be ordered specially), see table "Cable glands for 1PS4 and 1PS5 motors".
Cable glands for 1PS4 and 1PS5 motors
Additional entry threads, e.g. for PTC thermistor, heating:
•
Ex e IIC: M20
×
1.5/D = 6 to 12 mm
•
Ex d IIC: M20
×
1.5/D = 6 to 12 mm
Entry threads are sealed on delivery with certified plugs, cable
glands can be ordered separately.
Frame size
Standard terminal box
Enlarged terminal box – Option
L00
Terminal studs
Conductor
cross-section
Additional terminals
in main terminal box
PE/ground
connection
Fig. No.
on
Page 2/40
Terminal
studs
Conductor
cross-section
Fig. No.
on
Page 2/40
min.
max.
Number × max.
cross-section
1)
max.
min.
max.
mm
2
mm
2
mm
2
mm
2
mm
2
mm
2
LOHER CHEMSTAR
71
6 × M4
1
2.5 (6)
2)
4 × 2.5
4
6
2)
Fig. 1
6 × M5
1
10
(25)
2)
Fig. 2
80
90
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/355
6 × M16/M20
3)
16 … 300
Special connection system on request
LOHER VARIO
355 … 500
Fig. 5
Frame size
Standard cable glands
Max. entry threads
6)
Entry thread
4)
Cable diameter
5)
Removable gland plate
(for Ex e terminal box only)
Ex e terminal box
Ex d terminal box
Type HSK-M-Ex
for Ex e
Type ADE 1F
for Ex d
Metric
NPT
Metric
NPT
mm
mm
LOHER CHEMSTAR
71
1 × M25 × 1.5
10 … 16
8.5 … 16
None
1 × M32 × 1.5
2 × 1"
2 × M40 × 1.5
2 × 1
1
/
4
"
80
90
100
1 × M32 × 1.5
13 … 20
18 … 27.5
112
2 × M32 × 1.5
132
2 × M50 × 1.5
2 × 2"
2 × M63 × 1.5
2 × 2"
160
2 × M40 × 1.5
22 … 32
23 … 34
180
None
2 × M63 × 1.5
200
2 × M50 × 1.5
32 … 38
29 … 41
225
250
2 × M63 × 1.5
37 … 44
42 … 56
With
280
315/355
2 × M100 × 2
2 × 4"
2 × M100 × 2
2 × 4"
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)
Number and size of entry threads according to DIN 42925.
5)
Cable glands suitable for unshielded/non-reinforced cables and leads.
Option
K54
(Ex e),
W91
(Ex d).
6)
Other threads, number and size on request.
© Siemens AG 2016