Siemens SIRIUS - Pre-assembled Complete Devices

Product description
3.2 Device versions
SIRIUS - SIRIUS 3RA load feeders
18 Manual, 09/2016, A5E03656507520A/RS-AB/003
3.2.1
Pre-assembled complete devices
Pre-assembled complete devices
3RA2 fuseless load feeders are pre-assembled complete devices; they are delivered ready-
wired and with all mechanical connections established. The devices are available in
sizes S00, S0 and S2 for direct-on-line start. Pre-assembled complete devices in size S00
and S0 are available for reversing start. The fuseless load feeders can be ordered with or
without pre-assembled busbar adapters for mounting on a DIN rail or busbar.
Connection systems
3RA2 fuseless load feeders are available with the following connection system options.
Table 3- 4 Connection systems available for 3RA2 fuseless load feeders
Connection system
3RA2 pre-assembled complete devices
S00 / S0
S2
Screw terminals
✓
1) 2)
✓
Spring-loaded terminals
✓
---
Ring cable lug connection --- ---
1)
The link module for the S00 load feeder can also be used to mount an S00 contactor on an
S0 motor starter protector.
2)
The link module for the S0 load feeder can also be used to mount an S0 contactor on an
S00 motor starter protector.
Rated powers
3RA2 pre-assembled feeders are dimensioned for the following powers:
Powers
S00
S0
S2
Direct-on-line starter
≤ 7.5 kW (16 A)
15 kW (32 A)
30 / 37 kW (65 A)
Reversing starter
≤ 7.5 kW (16 A)
15 kW (32 A)
---
Control supply voltages of 3RA2 load feeders
3RA2 pre-assembled feeders are available for the following rated control supply voltages:
Rated control supply voltages
S00
S0
S2
230 V AC / 50/60 Hz
230 V AC / 50 Hz
230 V AC / 50 Hz
24 V DC
24 V DC
20 ... 33 V AC/DC