User Guide
Table Of Contents
- 3 3RT1 contactors/ 3RH1 control relays
- 3.1 Specifications/regulations/approvals
- 3.2 Device description
- 3.3 Application and areas of use
- 3.3.1 3RT10 contactors with 3 main contacts for switching motors
- 3.3.2 3RT14 contactors with 3 main contacts for switching resistive loads (AC-1)
- 3.3.3 3RT12 Vacuum contactors
- 3.3.4 3RT13 and 3RT15 contactors with 4 main contacts
- 3.3.5 3RT16 capacitor contactors
- 3.3.6 Contactors with an extended operating range
- 3.3.7 3RH1 control relays
- 3.3.8 3RT10 contactor relays for switching motors (interface) and 3RH11 control relays for switching auxiliary circuits
- 3.3.9 3RA13 Contactor combinations for reversing
- 3.3.10 3RT14 Wye-delta combinations
3RT1 contactors/3RH1 control relays
SIRIUS System Manual
3-46 GWA 4NEB 430 0999-02 DS 01
Dimensions With the top mounted electronic control module, the height of the contactor
is increased up to 34 mm (for dimensional drawings see section 3.6 "dimen-
sional drawings").
Circuit diagram and
terminal connections
Fig. 3-23: Contactor with electronic control module, circuit diagram + terminal connections
3.3.6.3 Contactors with an extended operating range (3RH1122-2K.40, 3RT1017-2K.4.,
3RT102.-3K.40)
Cont actors of frame size S0 0: 3RH11 22-2K.40, 3RT1017-2K.4. and frame
size S0: 3RT102.-3K.40 have the following features:
• Extended operating range of 0.7 to 1.25 x U
s
• The magnet coils are wired with a varistor; an additional series resistor is
not required
Note the following:
• Frame size S00: an auxiliary switch block cannot be attached
• Frame size S0: a maximum of two 1-pole auxiliary switch blocks can be
attached
Installation At an ambient temperature > 60 °C < 70 °C, there must be spacing of
10 mm when installing in series.
Ambient temperature The permissible ambient temperature for operating the contactors at the full
operating range of the magnet coils is -35 °C to +70 °C. During continuous
operation with temperatures > +55 °C, the mechanical service life, the cur-
rent-carrying capacity of the conducting paths, and the switching frequency
are reduced.
135
6
4
2
A2(-)
A1(+)
U
NSB00169
....
....
4321
4321
642
531
A2A1
NSB01390