Siemens 3RW44 User Manual

Appendix
3RW44 soft starters
Manual, 03/2017, NEB535219502000/RS-AB/008
289
1. Motor data
Siemens motor?
Rated power:
kW
Rated voltage: V
Line frequency:
Hz
Rated current:
A
Starting current:
A
Rated speed:
rpm
Rated torque:
Nm
Breakdown torque:
Nm
Mass moment of inertia:
kg*m2
Speed/torque characteristic curve
(The speed increments of the value pairs do not have to be equal)
n
M
1/m
"n
syn
"
M
M
%
Speed/current characteristic curve
(The speed increments of the value pairs do not have to be equal)
n
M
1/m
"n
syn
"
I
M
%
2. Load data
Load type (e.g. pump, mill, etc.):
Rated speed:
rpm
Rated torque or rated output
Nm or kW
Mass moment of inertia (load-specific)
kg*m
2
Mass moment of inertia (motor-specific)
kg*m
2
Speed/torque characteristic curve
(The speed increments of the value pairs do not have to be equal)
n
L
1/m
"n
syn
"
M
L
%

Siemens 3RW44 Specifications

General

Temperature range	-25°C to +60°C
Degree of protection	IP20
Product category	Soft starter
Product designation	3RW44
Type of voltage	AC
Protection class IP	IP20
Standards	IEC 60947-4-2
Overload class	Class 10, 20