Siemens SIRIUS Configuration Manual page 56

Selection tables 500 V AC
4.2 Motor starter protector + contactor + thermal overload relay
Standard three-phase
motor 4-pole at
400 V AC
1)
Standard Motor
output P current I
kW A
18,5
28
18,5 28
Short-circuit breaking capacity I
22 33
3)
22 33
3)
Order numbers for basic versions with screw terminals and spring-loaded terminals also possible.
Guide value for 4-pole standard motors at 500 V AC, 50 Hz. Selection depends on the concrete startup and rated data
1)
of the protected motor.
Rated control supply voltage 230 V AC, 50 Hz, other control voltages possible.
2)
Discrete mounting only, without a link module.
3)
56
Motor starter Contactor
protector Starter
protection
Order No. Order No.
3RV2321-4NC10 3RT2027-1AP00
3RV2321-4EC10 3RT2027-1AP00
= 36 kA
q
3RV2321-4PC10 3RT1035-1AP00
3RV2321-4PC10 3RT1035-1AP00
Size
2)
S0/S0/S0
S0/S0/S0
S0/S2/S0
S0/S2/S2
Configuration Manual, 04/2010, A8E56203880102-02
Thermal overload Setting range
relay Overload
release
Overload relay
Order No. A
3RU2126-4NB0 23 ... 28
3RU2126-4EB0 27 ... 32
3RU2126-4PB0 30 ... 36
3RU1136-4FB0 28 ... 40
Configuring SIRIUS Innovations