Speedfax 2017

For Operation in the Control Cabinet
3RW Soft Starters
3RW40 for standard applications
Characteristic curves
Motor protection tripping characteristics
for 3RW40 (with symmetry)
10 3
[s]
6
NSB0_01488a
Motor protection tripping characteristics
for 3RW40 (with asymmetry)
[s]
10 3
6
NSB0_01705
Tripping time
4
2
Tripping Time
4
2
10 2
10 2
6
6
4
4
Soft Starter
Control
2
10 1
1
2 4 6 10
x e
Class 10 Class 15 Class 20
2
10 1
0,1
1,0 10
x e
Class 10 Class 15 Class 20
17
CONTROL
PRODUCTS
Permissible installation height
Operational rated current I in %
e
105
100
95
90
85
80
75
70
0 1000 2000 3000 4000 5000
Mounting height in m
At an installation height above 2000 m, the max. permissible operational
voltage is reduced to 460 V.
NSB0_01704
17-258
Siemens Industry, Inc. SPEEDFAX Product Catalog