Siemens RAJA+ Installation, Operation & Maintenance Instructions Manual page 4

Fig. 5: Wiring Diagram
Table 1:
Motor /
Submersible
Pump Rating
Starter MLFB
At 415V
3ph 50Hz
HP/ kW
15 / 11 3TE7431-2BC24-1A** 3TS3300-0A**-08K 3TS3110-0A**-08K
17.5 / 13 3TE7431- 2CC25-1AZ8 3TS3500-0AZ8-08K 3TS3300-0AZ8-08K 3US5600-2C8K 16-25
20 / 15 3TE7431-2DC26-1AZ8 3TS3500-0AZ8-08K 3TS3300-0AZ8-08K 3US5600-2D8K 20-32
25 / 18.5 3TE7431-2DC27-1AZ8 3TS3500-0AZ8-08K 3TS3400-0AZ8-08K 3US5600-2D8K 20-32
30 / 22 3TE7431-2RC28-1AZ8 3TS3500-0AZ8-08K 3TS3400-0AZ8-08K 3US5600-2Q8K 25-36
Selection of contactor coil and LMRA
Contactor coil
Coil voltage
voltage code
(VAC)
**
Z6 200 – 400
Z8 260 – 460
Line/Delta
Star Contactor
Contactor
MLFB
MLFB
Line Monitoring
Relay
7UG0613-0FE20
7UG0613-0FF20
Max. Full
Thermal Load Current
Relay
Overload (Amp) for
range
Relay Motor /
(A)
MLFB Submersible
Pump
3UW5202-2B 12.5-20 29 / 16.7
34 / 19.6
39/22.5
48/27.7
57/32.9
Timer
3RP1576-1NP208K
3RP1576-1NM208K
L1, L2, L3: 3φ supply
Q1: Line Contactor
Q2: Star Contactor
Q3: Delta Contactor
K1: Bimetal relay
K2: Star Delta Timer
K3: Line Monitoring relay
K4: Water level controller relay
VSS: Voltmeter selector switch
RS: Rocker switch
AV: Ammeter Voltmeter
AM: Amber LED
GN: Green LED
S1: ON push button
S0: OFF/Reset push button
TB1: Incoming terminal block
TB2/TB3: outgoing terminal block
TB4: LMR terminal connector
TB5: WLCA terminal connector
Recommended
Recommended
Cu Cable with lugs
Max.
(mm 2 )
Back-up
HRC Fuse
rating Siemens
Incoming
Outgoing
Make type
From
To Motor
3NA7 – 500V
Supply
32 6
50 10
63 10
63 10
80 16
2.5
2.5
4
6
10