Siemens SIRIUS System Manual

3RT1/3RH1 contactors
SIRIUS System Manual
3-48
GWA 4NEB 430 0999-02b
Control circuit: S00
Figure 3-26: Star-delta combination, control circuit (frame size S00)
Control circuit: S0 to S3
Figure 3-27: Star-delta combination, control circuit (frame sizes S0 to S3)
S0 "Off" button F0 Fuses
S1 "On" button F1 Overload relay
S Continuous contact maker
K1 Line contactor
K2 Star contactor
K3 Delta contactor
K4 Time-delay auxiliary switch block or time relay
Technical specifications
The technical specifications of the star-delta combinations correspond to
those of the basic units for the corresponding frame size.
Pushbutton switch control
Continuous contacting
F0
K1
K3
K2
NSB00644
95
N(L )
L1(L+)
21
22
K3
S
F1
96
AC 50Hz (DC) ...V
21
K2
22
28
38
37
K4
27
K4
14
13
K1
F0
K1 K3
K2
NSB00643
14
95
N
(
L
)
L1
(
L+
)
13
21
22
K4
K3
K1
S1
S0
F1
96
AC 50Hz
(
DC
)
...V
21
22
K2
28
38
37
K4
27
Pushbutton switch control Continuous contacting
F0
K1K3K2
95
L1(L+)
34
33 13
14
K1 K2
37
38
28
21
22
K4
11
12
27
K2K3
43
44
K1
S1
S0
F1
K4
N(L )
96
AC 50Hz (DC) ...V
F0
K1K3K2
95
L1(L+)
34
33 13
14
K1 K2
37
38
28
21
22
K4
11
12
27
K2K3
43
44
K1
S
F1
K4
N(L )
96
AC 50Hz (DC) ...V

Siemens SIRIUS Specifications

General

Brand	Siemens
Model	SIRIUS
Category	Relays
Language	English