Product Overview
Table Of Contents
- 3RT1 contactors/3RH1 control relays
- 3.4 Accessories
- 3.4.1 Attachable auxiliary switches for extending the auxiliary contacts
- 3.4.2 Time-delay auxiliary switches
- 3.4.3 Solid-state time relay blocks with semiconductor output
- 3.4.4 Additional load module (3RT1916-1GA00)
- 3.4.5 Coupling element for frame sizes S0 to S3 (3RH1924-1GP11)
- 3.4.6 Surge suppression
- 3.4.7 Other accessories
- 3.4.7.1 LED module for indicating contactor control (3RT1926-1QT00)
- 3.4.7.2 Auxiliary connecting lead terminal, 3-pole for frame size S3 (3RT19 46-4F)
- 3.4.7.3 Box terminal blocks
- 3.4.7.4 EMC interference suppression module (3RT1916-1P..)
- 3.4.7.5 Soldering pin adapter for frame size S00 (3RT19 16-4KA.)
- 3.4.7.6 Paralleling links (3RT19 .6-4B.31)
- 3.4.7.7 Sealing cover (3RT19 .6-4MA10)
- 3.4.7.8 Terminal covers for frame sizes S2 to S12
- 3.4 Accessories
3RT1 contactors/3RH1 control relays
SIRIUS System Manual
3-94 GWA 4NEB 430 0999-02 DS 01
Important
The time-delay auxiliary switch cannot be added to contactor relays.
Installation/removal Caution
Switch off the supply voltage to A1/A2 before you install or remove the time-
delay auxiliary switch block.
Fig. 3-50: Time-delay auxiliary switch block (frame size S00)
Connection When they are attached, the connections for the rated control supply volt-
age are connected to the contactor below by the integrated spring contacts
of the time-delay auxiliary switch.
Function
diagrams
Fig. 3-51: Function diagrams of the time-delay auxiliary switches (frame size S00)
The time-delay auxiliary switch is
attached to the front of the contac-
tor.
2
1
3RT1.1
3RT1916-2E
3RT1916-2F
3RT1916-2G
t
On-delay
1 NO and 1 NC contact
Off-delay
Without auxiliary supply
1 NO and 1 NC contact
Wye-delta function
1 NO contact, instantaneous
1 NO contact, delayed
t
NSK-7932
A1/A2
27/28
35/36
t
NSK-7955
A1/A2
Y 27/28
D 37/38
50 ms
t
A1/A2
27/28
35/36
200 ms
>