Sirius 3Rw30/40 Soft Starters - Siemens SIRIUS 3RT Series System Manual

1.7.1.3

SIRIUS 3RW30/40 soft starters

3RW30/40 soft starters
Figure 1-16
The SIRIUS 3RW30 soft starters for standard applications in 200 to 480 V systems
(3RW40: 200 to 600 V) provide basic functionalities at cost-optimized prices:
Table 1- 11
Area
Functions
Dimensioning and
design
Mounting
advantages
Application
areas/customer
benefits
Reference
More information ...
About SIRIUS 3RW30/40 soft starters
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
S0 soft starter
3RW30/40 soft starters
Customer benefits
Soft starting for simple startup conditions

Integrated bypass contact system

Integrated protection functions for motor starter and soft starter (3RW40)

2-phase "polarity balancing" control method (consistently up to 250 kW)

Thermistor motor protection (optional with 3RW40)

Settable current limiting (3RW40)

Performance increase of 2 performance classes in smaller sizes:

– S00 up to 17.6 A
– S0 up to 38 A
– S2 up to 72 A
45 mm width (18.5 kW/38 A)

Screw-type and spring-loaded terminals

Easy commissioning and maintenance

Matched with the SIRIUS modular system

Easy retrofitting with wiring already installed

Parameterizable output (3RW40)

Considerable power savings through integrated bypass contact system

Adjustable tripping classes (3RW40)

Integrated diagnostics functions (3RW40)

Comprehensive approvals for global applicability, also ATEX (3RW40)

1.7 Components and combinations
Is available in ...
Manual "SIRIUS 3RW30/3RW40 Soft Starters"
(http://support.automation.siemens.com/WW/view
/en/38752095)
(order no.: 3ZX1012-0RW30-1AC1)
System overview
49