Siemens SIRIUS 3RU2 - Overview of Combinable 3 RT2 Contactors

Configuration
6.2 Overload relays in motor feeders
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
Manual, 09/2014, A5E03656507420A/RS-AA/002
51
6.2.2
Overview of combinable 3RT2 contactors
Overload relay with contactor assemblies
Table 6- 2 Thermal overload relay with contactor assemblies
Contactors
Type
3RT201
3RT202
3RT203
Thermal overload relay
1)
Size
S00
S0
S2
Type
Size
Current range
[A]
Power
[kW]
3 / 4 / 5,5 / 7,5
5,5 / 7,5 / 11 /
15 / 18,5
15 / 18,5 / 22 /
30 / 37
3RU211 S00 0,11 … 16 ✓ - -
3RU212 S0 1,8 … 40 - ✓ -
3RU213 S2 11 … 80 - - ✓
1)
You can find more information on using the overload relays in feeders in the Chapter
"Technical data (Page 101)".
Table 6- 3 Solid-state overload relay with contactor assemblies
Contactors
Type
3RT201
3RT202
3RT203
Solid-state overload relay
1)
Size
S00
S0
S2
Type
Size
Current range
[A]
Power
[kW]
3 / 4 / 5,5 / 7,5
5,5 / 7,5 / 11 /
15 / 18,5
15 / 18,5 / 22 /
30 / 37
3RB3.1 S00 0,1 … 16 ✓ - -
3RB3.2 S0 0,1 … 40 - ✓ -
3RB3.3 S2 12,5 … 80 - - ✓
1)
You can find more information on using the overload relays in feeders in the Chapter
"Technical data (Page 101)".
The configuration guide titled "Configuring SIRIUS Innovations - Selection data for load
feeders in fuseless and fused designs" (article no. 3ZX1012-0RA21-1AB0) provides
information about the assembly of type-tested motor feeders according to
IEC / EN 60947-4-1 with type of coordination 1 or 2.