Siemens SIRIUS 3RF Series User Manual

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

Siemens SIRIUS 3RF Series Specifications

General

Brand	Siemens
Model	SIRIUS 3RF Series
Category	Industrial Equipment
Language	English