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3RT1/3RH1 contactors
SIRIUS System Manual
GWA 4NEB 430 0999-02b
3-51
The following graphic shows you the accessories for the contactors of frame sizes S0 to S3:
Figure 3-30: Accessories for contactors of frame size S00
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 star-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