Skip to main content
Siemens 3RA1140-4JD44-0AM2 — Motor Starters

Siemens 3RA1140-4JD44-0AM2

MPN3RA1140-4JD44-0AM2

Combination starter Nonreversing Fastbus mount,IEC SIRIUS Frame size S3,45 - 63a 208 VAC control voltage MSP aux-none Contactor auxiliary-none

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

Specifications

3RA1140-4JD44-0AM2 — Identification
ParameterValue
Product designationnon-fused motor starter
Main circuit poles3
BrandSIRIUS
Load feeder sizeS3
Product design / constructiondirect starter
Circuit-breaker sizeS3
Included contactor (type)3RT1044-1AM20
Included circuit-breaker (type)3RV1041-4JA10
Included link module (type)3RA1941-1AA00
3RA1140-4JD44-0AM2 — Ratings & Performance
ParameterValue
Rated motor power at 400 V30 000 W
Operational current Ie, AC-3 at 400 V55 A
Rated voltage at AC-3, max.690 V
Rated motor power at 460/480 V (hp)50 hp
Rated motor power at 575/600 V (hp)60 hp
Rated current at 480 V63 A
Rated current at 600 V61.5 A
Rated operating frequency50 ... 60 Hz
Rated impulse withstand voltage (Uimp)6 kV
Rated insulation voltage Ui (AC, pollution degree 3)690 V
Mechanical service life, typ. (switching cycles)10 000 000
3RA1140-4JD44-0AM2 — Protection & Tripping
ParameterValue
Trip classCLASS 10
Short-circuit protectionYes
Rated short-circuit current at 400 V (IEC 60947-4-1)50 000 A
Overload release setting range (current)45 ... 63 A
Overload release typethermal (bimetallic)
Short-circuit trip typemagnetic
Duty / utilization type (IEC 60947-6-2)2
3RA1140-4JD44-0AM2 — Contacts & Control
ParameterValue
Rated value690 V
Rated voltage range at 50 Hz166.4 ... 228.8 V
Auxiliary contacts, NO0
Auxiliary contacts, NC0
Auxiliary switch extensionYes
Switching contact typeelectromechanical
3RA1140-4JD44-0AM2 — Mechanical & Connection
ParameterValue
Main circuit connection typescrew-type terminals
Main contact conductor range (AWG)1x (10 ... 2/0), 2x (10 ... 1/0)
Mounting / fastening methodfor snapping onto 60 mm busbar systems
Mounting positionvertical
Width70 mm
Height354 mm
Depth212 mm
3RA1140-4JD44-0AM2 — Environmental
ParameterValue
Operating temperature range-20 ... +60 °C
Storage temperature range-50 ... +80 °C
Transport temperature range-55 ... +80 °C
Pollution degree3
Shock resistance (IEC 60068-2-27)6g / 11 ms
MPN
3RA1140-4JD44-0AM2