Specifications

AS-Interface slaves
Motor starters for operation in the field, high degree of protection
MCU motor starters for AS-Interface
Metal enclosures, electronic switching
6/112
Siemens IK PI · 2012
6
■ Overview
MCU for AS-i, metal enclosure, electronic
• Direct-on-line or reversing starters up to 12 A
• Switching frequency up to 3 600/h
• Repair switches (black/gray)
lockable with padlocks (max. 3 units)
• Short-circuit protection with SIRIUS 3RV motor starter
protector
• Overload protection with solid-state overload relay
• Manual operation and key-operated switch for operating
mode selection
• LED status display of the operating states
• Metal enclosures
• Degree of protection IP54
• Switched brake control 400 V or 230 V
• Cable connections by means of M screws
• Main power loop possible
(daisy chain; max. 2 x 6 mm
2
)
•2 x M25 glands
• 1 x M12 plug for AS-i/auxiliary voltage (24 V DC)
• 2 × M12 plugs for connection of 2 sensors
• 1 × M12 socket for connection of one actuator
• Communication: AS-Interface 4I/3O
(slaves in A/B technology can be addressed)
MCU for AS-i, metal enclosure, electronic switching
■ 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
3
2
6
7
8
4
5
9
1
2
3
4
5
6
7
8
9
Main control switch / repair switch
Main incoming power supply (400 V AC) through M screw
AS-i communication / U
aux
(24 V DC) through M12 plug
2 sensor inputs (M12 socket), 1 actuator output (M12 socket)
LED status displays of the operating states
Key-operated switch: Manual-0-Auto
Manual operation: ON/OFF or Left-0-Right (selector button)
Load outgoing feeder through M screw
Heat sink
nsb0_02041
Rating for induction motor
Rated value
1)
Current setting value of the
inverse-time delayed
overload release I
e
Brake control
kW A V Order No.
Direct-on-line starters
Direct-on-line start
0.12 … 0.37 0.32 … 1.25 230 3RK43 20-5DQ64-0BA2
0.55 … 1.5 1 … 4 230 3RK43 20-5JQ64-0BA2
1.1 … 5.5 3 … 12 230 3RK43 20-5PQ64-0BA2
0.12 … 0.37 0.32 … 1.25 400 3RK43 20-5DQ64-0BA3
0.55 … 1.5 1 … 4 400 3RK43 20-5JQ64-0BA3
1.1 … 5.5 3 … 12 400 3RK43 20-5PQ64-0BA3
Reversing starters
Reversing duty
0.12 … 0.37 0.32 … 1.25 230 3RK43 20-5DQ64-1BA2
0.55 … 1.5 1 … 4 230 3RK43 20-5JQ64-1BA2
1.1 … 5.5 3 … 12 230 3RK43 20-5PQ64-1BA2
0.12 … 0.37 0.32 … 1.25 400 3RK43 20-5DQ64-1BA3
0.55 … 1.5 1 … 4 400 3RK43 20-5JQ64-1BA3
1.1 … 5.5 3 … 12 400 3RK43 20-5PQ64-1BA3
Kap_06_en.book Seite 112 Freitag, 2. September 2011 1:42 13
© Siemens AG 2011