Siemens SIRIUS 3RT Series System Manual page 317

Versions
The following table provides an overview of the versions of the 3RF34 instantaneous
switching solid-state contactors for switching motors.
Table 3- 2 Versions of solid-state switching devices
Feature
Version
Description
Order numbers
Size
Width (motor power /max.
1)
rated operational current)
Number of poles
Connection system
Rated operational voltage
Rated control supply
voltage
Switching delay
ON-delay
OFF-delay
Locking time
Enclosure
Control connections
Rating data relates to 400 V line voltage
1)
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
Versions
Solid-state contactor
Complete devices in insulated enclosures for
the frequent switching on and switching off
of AC drives.
3RF34..-.BB..
45 mm (motors up to 2.2 kW, 5.2 A)

90 mm (motors up to 7.5 kW, 16 A)

3
Screw-type and spring-loaded
Up to 600 V
1 ms (24 V DC), 5 ms (110 to 230 V AC)
1 ms (24 V DC), 30 ms (110 to 230 V AC)
plus up to one half-wave
60 to 100 ms (24 V DC), 50 to 100 ms (110 AC to 230 V)
Screw-type connection system and spring-
loaded connection system, removable
terminal for auxiliary circuit wiring
(2 contacts)
SIRIUS 3RF34 solid-state switching devices
Solid-state reversing contactor
Compact design of the reversing circuit for
the frequent switching on and switching off of
AC drives with continuous reversal of the
direction of rotation
3RF34..-.BD..
S0
45 mm (motors up to 2.2 kW, 5.4 A)

90 mm (motors up to 3.0 kW, 7.4 A)

3
Screw-type
Up to 480 V
24 V DC and 110 to 230 V AC
5 ms (24 V DC), 20 ms (110 to 230 V AC)
5 ms (24 V DC), 10 ms (110 to 230 V AC)
plus up to one half-wave
Insulated (no grounding required)
Screw-type connection system, removable
terminal for auxiliary circuit wiring (3 contacts)
3.2 Product description
317