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Siemens 3RK1325-6LS71-3AA0 — Remote I/O & Fieldbus Modules

Siemens SIRIUS 3RK1325-6LS71-3AA0 reversing starter, 5.5 kW

MPN3RK1325-6LS71-3AA0
NRND

Siemens SIRIUS reversing starter, 3RK1325-6LS71-3AA0, 5.5 kW at 400 V, IP65, AS-Interface, 4 digital inputs, trip classes 5/10/15/20.

Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

3RK1325-6LS71-3AA0 — Identification
ParameterValue
Product designationMotor starters
Product designreversing starter
3RK1325-6LS71-3AA0 — Communication
ParameterValue
PROFIBUS DP supportNo
PROFINET supportNo
AS-Interface supportYes
AS-Interface supportYes
Bus communicationYes
3RK1325-6LS71-3AA0 — I/O
ParameterValue
Digital inputs4
Digital input signals4
Digital output signals1
Digital inputs parameterizableYes
Digital outputs parameterizableYes
3RK1325-6LS71-3AA0 — Electrical
ParameterValue
Rated value (DC)20.4 ... 28.8 V
Control supply voltage typeDC
Rated surge voltage6 000 V
Adjustable Current Response Value Current Of The Current-Dependent Overload Release1.5 ... 12 A
Operating Voltage Rated Value200 ... 440 V
Number Of Poles For Main Current Circuit3
3RK1325-6LS71-3AA0 — Environmental
ParameterValue
Ingress protection (IP)IP65
Operating temperature range-25 ... +55 °C
Storage temperature range-40 ... +70 °C
Shock resistance12g / 11 ms
Pollution degree3
3RK1325-6LS71-3AA0 — Mechanical
ParameterValue
Width294 mm
Depth159 mm
Height215 mm
Mounting methodscrew fixing
3RK1325-6LS71-3AA0 — Specifications
ParameterValue
At 400 V rated value5.5 kW
At AC-3 at 400 V rated value12 A
Reverse StartingYes
Type Of The Motor Protectionfull motor protection
Trip ClassCLASS 5, 10, 15, 20

Product details

It is rated for 5.5 kW at 400 V and 7.5 hp at 460/480 V, so it covers common European and North American motor frames in that power band.

The starter offers selectable trip classes 5, 10, 15, and 20. Class 10 is the standard for general-purpose motor starting; Class 20 gives more time for high-inertia loads like fans or centrifuges, while Class 5 protects motors with very short acceleration times. The 24 V DC control supply (20.4 to 28.8 V range, max 31.6 V) is standard for modern PLC-driven panels. Four digital inputs are built in, so you can wire start/stop and direction commands directly without an extra I/O block.

Mounting is by screw fixing, and the unit can be installed vertically, horizontally, or flat — useful when panel space is tight or the machine frame dictates the orientation. Dimensions are 294 mm wide by 215 mm high by 159 mm deep. The main power circuit connects via a HAN Q4/2 plug (ISO 23570), and device addressing uses an M12 plug. It communicates over AS-Interface (no PROFIBUS or PROFINET on this variant), so it fits into an AS-i sensor/actuator bus architecture.

Frequently asked questions

Will the 3RK1325-6LS71-3AA0 drop into a panel specified around the 3RT1044-1FB46 without rewiring?

No. The 3RT1044-1FB46 is a panel-mount contactor with screw terminals; the 3RK1325-6LS71-3AA0 is an IP65 enclosure with HAN Q4/2 power connectors and M12 addressing. The mounting footprint, wiring scheme, and bus interface are completely different.

What compliance documentation does Siemens provide for this part?

The evidence does not list specific compliance documents (RoHS, REACH, UL, IEC). Standard Siemens SIRIUS products typically carry CE and UL markings; verify the specific declaration for this order code with your Siemens contact or on the Siemens Industry Online Support portal.

MPN
3RK1325-6LS71-3AA0