SIEMENS
4/113
Siemens IK PI · 2015
AS-Interface
Slaves
Motor starters for use in the field, high degree of protection
MCU motor starters for AS-Interface
> Plastic enclosure, electromechanical switching
4
■
Overview
MCU for AS-i, plastic enclosure
•
Direct-on-line or reversing starters up to 12 A at 400 V AC
(50/60 Hz)
•
Repair switches (black/gray)
lockable with padlocks (max. 3 units)
•
Integrated overload and short-circuit protection with
SIRIUS 3RV motor starter protectors/circuit breakers Class 10
with short-circuit breaking capacity
I
cu
= 50 kA at 400 V AC
•
Overload protection with thermal release (bimetal)
•
Transparent plastic enclosure with LED status displays for
monitoring the AS-i status
•
IP55 degree of protection
•
Cable connections by means of M screws
•
Main power loop possible (daisy chain; max. 2 x 6 mm
2
)
•
AS-Interface through M12 plug-in terminal
•
4 x M20 glands enclosed
•
Communication: AS-Interface 2I/2O (standard slaves)
MCU for AS-i, plastic enclosure
■
Selection and ordering data
1)
Guide value for 4-pole standard motors at 50 Hz
400 V AC.
The actual starting and rated data of the motor to be protected must be considered when selecting the units.
1
2
5
4
3
1
2
3
4
5
Main control switch / repair switch
Load outgoing feeder through M screw
Main incoming power supply through M screw (max. 6 mm
2
)
Main power loop possible (daisy chain)
AS-i communication /
U
aux
(24 V DC) through M12 plug
(position of outgoing units as example – outgoing units
are possible on all sides)
NSB0_02039
Rated current
I
e
Suitable for
three-phase motors
1)
with
P
Setting range
Thermal overload release
Article No.
A
kW
A
Direct-on-line starters
Direct-on-line start
0.63
0.18
0.45 ... 0.63
3RK4320-3AR51-0BA0
0.8
0.18
0.55 ... 0.8
3RK4320-3BR51-0BA0
1
0.25
0.7 ... 1
3RK4320-3CR51-0BA0
1.25
0.37
0.9 ... 1.25
3RK4320-3DR51-0BA0
1.6
0.55
1.1 ... 1.6
3RK4320-3ER51-0BA0
2
0.75
1.4 ... 2
3RK4320-3FR51-0BA0
2.5
0.75
1.8 ... 2.5
3RK4320-3GR51-0BA0
3.2
1.10
2.2 ... 3.2
3RK4320-3HR51-0BA0
4
1.50
2.8 ... 4
3RK4320-3JR51-0BA0
5
1.50
3.5 ... 5
3RK4320-3KR51-0BA0
6.3
2.20
4.5 ... 6.3
3RK4320-3LR51-0BA0
8
3.00
5.5 ... 8
3RK4320-3MR51-0BA0
10
4.00
7 ... 10
3RK4320-3NR51-0BA0
12.5
5.50
9 ... 12.5
3RK4320-3PR51-0BA0
Reversing starters
Reversing duty
0.63
0.18
0.45 ... 0.63
3RK4320-3AR51-1BA0
0.8
0.18
0.55 ... 0.8
3RK4320-3BR51-1BA0
1
0.25
0.7 ... 1
3RK4320-3CR51-1BA0
1.25
0.37
0.9 ... 1.25
3RK4320-3DR51-1BA0
1.6
0.55
1.1 ... 1.6
3RK4320-3ER51-1BA0
2
0.75
1.4 ... 2
3RK4320-3FR51-1BA0
2.5
0.75
1.8 ... 2.5
3RK4320-3GR51-1BA0
3.2
1.10
2.2 ... 3.2
3RK4320-3HR51-1BA0
4
1.50
2.8 ... 4
3RK4320-3JR51-1BA0
5
1.50
3.5 ... 5
3RK4320-3KR51-1BA0
6.3
2.20
4.5 ... 6.3
3RK4320-3LR51-1BA0
8
3.00
5.5 ... 8
3RK4320-3MR51-1BA0
10
4.00
7 ... 10
3RK4320-3NR51-1BA0
12.5
5.50
9 ... 12.5
3RK4320-3PR51-1BA0
© Siemens AG 2014