Siemens SIRIUS 3RF Series User Manual

SIRIUS 3RT2 contactors/contactor assemblies
2.8 Technical data
SIRIUS Innovations
248 System Manual, 01/2011, A8E56203870002-03
2.8.1.9 Main circuit - 3RT202. contactors (current carrying capacity for alternating current)
Table 2- 88 Main circuit - Current carrying capacity for alternating current (3RT202. contactors)
Type 3RT20
23
3RT20
24
3RT20
25
3RT20
26
3RT20
27
3RT20
28
Size S0
Main circuit - Current carrying capacity for alternating current
Utilization category AC-1, switching resistive loads
At 40 °C up to
690 V
A 40 50
 Rated operational current I
e
At 60 °C up to
690 V
A 35 42
230 V kW 13.3 16
400 V kW 23 28
500 V kW 29 35
 Rated powers of three-phase
current loads
1)
cos ϕ = 0.95 (at
60 °C)
690 V kW 40 48
At 40 °C mm
2
10
 Minimum conductor cross-section
for loads with I
e
At 60 °C mm
2
10
Utilization category AC-2 and AC-3
Up to 400 V A 9 12 17 25 32 38
440 V A 9 12 17 22 32 35
500 V A 6.8 12.4 17 18 32 32
 Rated operational currents I
e
690 V A 6.7 9 13 13 21 21
Up to 110 V kW 1.1 1.5 2.2 3 4 4
230 V kW 3 3 4 5.5 7.5 7.5
400 V kW 4 5.5 7.5 11 15 18.5
500 V kW 4 7.5 10 11 18.5 18.5
 Rated powers of slip-ring or
squirrel-cage motors at 50 Hz and
at 60 Hz
660 V/690 V kW 5.5 7.5 11 11 18.5 18.5
Thermal load capacity 10 s current
2)
A 80 110 150 200 260 300
Power loss per current path At I
e
/AC-3 W 0.4 0.5 0.9 1.6 2.7 3.8
Utilization category AC-4 (at I
a
= 6 x I
e
)
 Rated operational current I
e
Up to 400 V A 8.5 12.5 15.5 15.5 22 22
 Rated powers of squirrel-cage
motors at 50 and 60 Hz
At 400 V kW 4 5.5 7.5 7.5 11 11
 The following applies for a contact service life of
approximately 200,000 operating cycles:
Up to 400 V A 4.1 5.5 7.7 9 12 12 - Rated operational
currents I
e
Up to 690 V A 3.3 5.5 7.7 9 12 12
At 110 V kW 0.5 0.73 1 1.2 1.6 1.6
230 V kW 1.1 4.8 2 2.5 3.4 3.4
400 V kW 2 2.6 3.5 4.4 6 6
500 V kW 2 3.3 4.6 5.6 7.5 7.5
- Rated powers of
squirrel-cage motors at
50 Hz and 60 Hz
690 V kW 2.5 4.6 6 7.7 10.3 10.3

Siemens SIRIUS 3RF Series Specifications

General

Brand	Siemens
Model	SIRIUS 3RF Series
Category	Industrial Equipment
Language	English