Product Overview

3RT1 contactors/3RH1 control relays
SIRIUS System Manual
3-78 GWA 4NEB 430 0999-02 DS 01
The following graphic shows you the accessories for the contactors of frame sizes S0 to S3:
Fig. 3-37: Accessories for contactors of frame sizes S0 toS3
1 Contactor, frame size S0
2 Contactor, frame size S2
3 Contactor, frame size S3
For frame sizes S0 to S3:
4 Solid-state time relay block, on-delay
5 Solid-state time relay block, off-delay
6 Auxiliary switch block, time-delay
(on-delay or off-delay or wye-delta function)
7 2-pole auxiliary switch block, infeed from above
8 2-pole auxiliary switch block, infeed from below
9 4-pole auxiliary switch block
(Terminal markings in acc. with EN 50 012 or EN 50 005)
10 Parallel link (star-point link), 3-pole without terminal
11 Parallel link, 3-pole, with terminal
12 2-pole auxiliary switch block, attachable on the right or left side
(Terminal markings in acc. with EN 50 012 or EN 50 005)
13 1-pole auxiliary switch block (a maximum of 4 can be snapped on)
14 Mechanical interlock, attachable at the side
15 Mechanical interlock, attachable at the front
16 Wiring modules above and below (reversing operation)
17 Surge suppressor (varistor, RC element, diode combination),
attachable above or below (different for S0 and S2/S3)
18 Coupling link for direct attachment to the contactor coil
19 LED block to display the contactor function
For frame sizes S2 and S3 only:
20 Terminal for contactor coil for assembling contactor combinations
21 Terminal cover for box terminals
For frame sizes S3 only:
22 Terminal cover for lug connection and bar connection
23 Auxiliary connecting lead terminal, 3-pole
NSB00449
4
10
5
18
17
16
11
1
12
9
6
15
14
1
8
7
13
16
19
21
20
2
21
22
23
20
3