Sirius 3Rf34 Solid-State Switching Devices - Siemens SIRIUS 3RT Series System Manual

System overview
1.7 Components and combinations
1.7.1.2

SIRIUS 3RF34 solid-state switching devices

3RF34 solid-state switching devices
Figure 1-15
SIRIUS 3RF34 solid-state switching devices feature a heat sink integrated in the insulated
enclosure, so no grounding is required.
Table 1- 10
Area
Functions
Dimensioning and
design
Mounting
advantages
Application
areas/customer
benefits
Reference
More information ...
About SIRIUS 3RF34 solid-state switching
devices
48
Solid-state switching device
3RF34 solid-state switching devices
Customer benefits
Instantaneous switching solid-state contactors for motor switching

Direct-on-line and reversing contactor (integrated electric interlock).

S0 (0.5 to 16 A)

Width 45 mm (2.2 kW/5.4 A) or 90 mm (7.5 kW/16 A)

24 V DC and 110 to 230 V AC

Rated voltage up to 600 V

Insulated enclosure

Optimized sizing and few power versions up to 7.5 kW

Screw-type and spring-loaded terminals

Combination with protection devices and monitoring devices

Side-by-side assembly possible

Easy connection to the motor starter protector by means of link module

Connection option for solid-state overload relay or current monitoring relay

Removable terminals for auxiliary circuit wiring

Wear- and noise-free operation for frequent motor switching

Long service life (over 100 million operating cycles)

Comprehensive approvals for global applicability

Is available in ...
Chapter "SIRIUS 3RF34 solid-state switching
devices (Page 313)"
System Manual, 01/2011, A8E56203870002-03
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