ROSTA
5.4
Motorbases
Selection table of
ROSTA
Motorbases
according to the motor frame sizes
IEC
NEMA
Type of
Motorbase
Details
Standard Design
Motor
Frame
Size
P [kW]
1000 min
–1
6-pole motor
P [kW]
1500 min
–1
4-pole motor
Motor
Frame
Size
P [HP]
1200 min
–1
6-pole motor
P [HP]
1800 min
–1
4-pole motor
90S
90L
0.75
1.1
1.1
1.5
143T
145T
0.75
1
1
1.5 / 2
MB 27 × 120
Pages
5.6 –
5.7
MB 27
100L
1.5
2.2 / 3
182T
1.5
3
112M
2.2
4
184T
2
5
132S
132M
3
4 / 5.5
5.5
7.5
213T
215T
3
5
7.5
10
MB 38 × 300
Pages
5.6 –
5.7
MB 38
160M
160L
7.5
11
11
15
254T
256T
7.5
10
15
20
160M
160L
7.5
11
11
15
254T
256T
7.5
10
15
20
MB 50 × 270-1
Pages
5.8 –
5.9
MB 50
180M
180L
–
15
18.5
22
284T
286T
15
20
25
30
MB 50 × 270-2
200L
18.5 / 22
30
324T
326T
25
30
40
50
MB 50 × 400
225S
225M
–
30
37
45
364T
365T
40
50
60
75
MB 50 × 500
250M
37
55
404T
60
100
MB 70 × 400
Pages
5.10 –
5.11
MB 70
280S
280M
45
55
75
90
405T
444T
75
100
100 / 125
125 / 150
MB 70 × 550
315S
75
110
445T
125 / 150
150 / 200
MB 70 × 650
315M
315L
90 / 110
110–160
132–160
160–200
447T
449T
150–200
200–300
200–250
250–300
MB 70 × 800
315M
315L
90 / 110
110–160
132–160
160–200
447T
449T
150–200
200–300
200–250
250–300
MB 100 × 750
Pages
5.12 –
5.13
MB 100
355S
355M
355L
132–160
200–250
200–250
200–250
250
250
586/7
250–350
300–350
various
up to 275
up to 400
various
up to 370
up to 540
MB 100 × 1000
–
MB 100
special
various
up to 350
up to 550
various
up to 650
up to 750
MB 100 × 1500
Customized designs of motorbases on pages 5.14 – 5.15.
For not mentioned motor frame sizes, please contact
ROSTA
.
ATEX
certified designs for category 2 (zone 1/21) on pages 5.6, 5.8, 5.10 and 5.12:
on request
II 2GD c T5 / T100˚C
T
amb
: -40˚C ÷ +80˚C