Siemens SIRIUS 3RT Series System Manual page 269

3RT20 coupling relays for switching motors
Technical data for 3RT20 coupling relays
Unless listed below, the technical data is the same as that for 3RT20 contactors for switching
motors.
Table 2- 108 General data and actuation for coupling relays 3RT201.-..B4. and 3RT202.-..B4.
Type
Size
General data
Mechanical durability
Protective separation between coil and
main contacts acc. to DIN EN 60947-1,
Annex N
Actuation
Magnet coil operating range
Magnet coil power
input
(for cold coil)
Switch-on power =
holding power
Permissible residual current
of electronics (with 0 signal)
Magnet coil suppressor circuit
Operating times for coupling relays
Switching on

- At 17 V
- At 24 V
- At 30 V
Switching off at 17 to 30 V

SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
Operat
ing
cycles
V
At U 17 V W
S
24 V W
30 V W
mA
ON-delay NO ms
OFF-delay NC ms
ON-delay NO ms
OFF-delay NC ms
ON-delay NO ms
OFF-delay NC ms
OFF-delay NO ms
ON-delay NC ms
SIRIUS 3RT2 contactors/contactor assemblies
3RT201.-.HB4. 3RT201.-.JB4.
S00
30 million
400
0.7 to 1.25 x U
S
1.4
2.8
4.4
< 10 mA x (24 V/U )
S
Without With diode
overvoltage
attenuation
40 ... 130
30 ... 80
35 ... 60
25 ... 40
25 ... 50
15 ... 30
7 ... 20 38 ... 65
20 ... 30 55 ... 75
2.8 Technical data
3RT201.-.KB4. 3RT202.-.KB4.
S0
10 million
2.3
4.5
7
< 6
mA x (24 V/U
Suppressor With varistor
diode
70 ... 270
60 ... 250
65 ... 90
55 ... 80
52 ... 65
43 ... 57
7 ... 20 19 ... 21
20 ... 30 25 ... 31
)
S
269