Siemens SIRIUS 3RT Series System Manual page 257

Table 2- 93 CSA and UL rated data (3RT202. contactors)
Type
Size
CSA and UL rated data
Rated insulation voltage
Continuous current, 
at 40 °C
Maximum horsepower ratings
(CSA- and UL-approved values)
Rated powers of three-phase

motors at 60 Hz
Short-circuit protection
1)
(contactor or overload relay)


Combination motor controller type E to UL 508

- At 480 V
- At 600 V
For more detailed information about short-circuit values, e.g. for protection against high short-circuit currents, see the UL
1)
reports (http://www.siemens.com/lowvoltage/support) for the individual devices.
Values available in October 2010.
2)
NEMA/EEMAC ratings
NEMA/EEMAC size
Continuous current
- Open
- Encapsulated
Rated powers of three-phase

motors at 60 Hz
Overload relay


SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
V AC
Open and
A
encapsulated
At 200 V hp
230 V hp
460 V hp
575 V hp
At 600 V kA
Fuse class RK5
A
Circuit breakers
A
with overload
protection acc. to
UL 489
Type
A
kA
Type
A
kA
hp
A
A
At 200 V hp
230 V hp
460 V hp
575 V hp
Type
Setting range
A
SIRIUS 3RT2 contactors/contactor assemblies
3RT20 3RT20 3RT20
23 24 25
S0
600
35
2 3 5
3 3 5
5 7.5 10
7.5 10 15
5
45 45 45
70 70 70
3RV202
---
2)
---
2)
3RV202
---
2)
---
2)
---
---
---
---
---
---
---
3RU2126/3RB3026
1.8 to 40 / 0.1 to 40
2.8 Technical data
3RT20 3RT20 3RT20
26 27 28
42
7.5 10 10
7.5 10 10
15 20 25
20 25 25
70 110 110
100 100 100
1
27
27
7.5 7.7
7.5
10
10
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