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Siemens 3RA2446-8XE32-1NB3 — Motor Starters

Siemens 3RA2446-8XE32-1NB3 star-delta starter

MPN3RA2446-8XE32-1NB3
NRND

Contactor assembly for star-delta (wye-delta) start with IO-Link, AC-3, 90 kW/400 V 20-33 V AC/DC Size S3, screw terminal electrical and mechanical interlock 3 NO+3 NC, integrated varistor

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

Specifications

3RA2446-8XE32-1NB3 — Identification
ParameterValue
Product designationContactor assembly for star-delta (wye-delta) start
Main circuit poles3
BrandSIRIUS
Reference designation (IEC 81346-2)Q
3RA2446-8XE32-1NB3 — Ratings & Performance
ParameterValue
Rated motor power at 400 V90 kW
Rated voltage at AC-3, max.690 V
3RA2446-8XE32-1NB3 — Contacts & Control
ParameterValue
Control supply voltage typeAC/DC
Auxiliary switch extensionNo
3RA2446-8XE32-1NB3 — Communication
ParameterValue
AS-Interface protocol supportNo
3RA2446-8XE32-1NB3 — Mechanical & Connection
ParameterValue
Mounting / fastening methodscrew and snap-on mounting onto 35 mm DIN rail
Mounting position+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface
Width220 mm
Height180 mm
Depth244 mm
3RA2446-8XE32-1NB3 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
MPN
3RA2446-8XE32-1NB3