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Siemens 3RK1303-6DS74-3AA3 — Remote I/O & Fieldbus Modules

3RK1303-6DS74-3AA3 - Siemens

MPN3RK1303-6DS74-3AA3

Motor starter ECOFAST SRSSTE PROFIBUS DP Electronic switching Electronic/thermal Overload protection AC-3, 5.5 kW / 400 V 2.40 A...12.00 A Break contact AC 400 V/0.75 A 4 DI 24 V DC Han Q4/2 - Han 10E

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

3RK1303-6DS74-3AA3 — Identification
ParameterValue
Product designreversing starter
3RK1303-6DS74-3AA3 — Communication
ParameterValue
PROFIBUS DP supportYes
PROFINET supportNo
AS-Interface supportNo
3RK1303-6DS74-3AA3 — I/O
ParameterValue
Digital inputs4
Digital input signals2
Digital output signals0
Digital inputs parameterizableYes
Digital outputs parameterizableNo
3RK1303-6DS74-3AA3 — Electrical
ParameterValue
Rated value (DC)20.4 ... 28.8 V
Control supply voltage typeDC
Voltage typeDC
Adjustable Current Response Value Current Of The Current-Dependent Overload Release2.4 ... 12 A
Operating Voltage Rated Value400 ... 500 V
Number Of Poles For Main Current Circuit3
3RK1303-6DS74-3AA3 — Environmental
ParameterValue
Ingress protection (IP)IP65
Ambient operating temperature-20 ... +40 °C
3RK1303-6DS74-3AA3 — Mechanical
ParameterValue
Width130 mm
Depth125 mm
Height250 mm
3RK1303-6DS74-3AA3 — Specifications
ParameterValue
At 400 V rated value100 kA
At AC-3 at 400 V rated value12 A
Type Of The Motor Protectionfull motor protection
MPN
3RK1303-6DS74-3AA3