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Siemens 3RW4434-6BC36 — Soft Starters

Siemens 3RW4434-6BC36

MPN3RW4434-6BC36

SIRIUS soft starter Values at 575 V, 50 °C standard: 100 A, 75 hp Inside-delta: 173 A, 150 hp 400-690 V AC, 115 V AC Screw terminals!!! Phased-out product!!! Successor is SIRIUS 3RW5, Preferred successor type is >>3RW5534-6HA16<<

$5,969.43Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

3RW4434-6BC36 — Identification
ParameterValue
Product designationSoft starter
Product brand nameSIRIUS
3RW4434-6BC36 — Power & Motor Rating
ParameterValue
Rated operational current at 40 °C196A
Rated operational current at 50 °C173A
Rated operational current at 60 °C152A
Rated insulation voltage690V
Minimum settable current (% of Ie)8%
3RW4434-6BC36 — Control & Connection
ParameterValue
Control supply voltage typeAC
Rated voltage at 50 Hz115V
Rated voltage at 60 Hz115V
Main circuit terminal typebusbar connection
Auxiliary contact rating (UL)B300 / R300
Control supply voltage tolerance, AC 50 Hz (max.)10%
Control supply voltage tolerance, AC 50 Hz (min.)-15%
Control supply voltage tolerance, AC 60 Hz (max.)10%
Control supply voltage tolerance, AC 60 Hz (min.)-15%
Control supply frequency tolerance (max.)10%
Control supply frequency tolerance (min.)-10%
Operating frequency tolerance (max.)10%
Operating frequency tolerance (min.)-10%
Operating voltage tolerance, inside-delta (max.)10%
Operating voltage tolerance, inside-delta (min.)-15%
3RW4434-6BC36 — Protection & Features
ParameterValue
Motor overload protectionYes
Thermistor motor protectionYes
Adjustable current limitationYes
Inside-delta connectionYes
Intrinsic device protectionYes
Pollution degree3, acc. to IEC 60947-4-2
3RW4434-6BC36 — Mechanical
ParameterValue
Height200mm
Width170mm
Depth270mm
Mounting positionwith vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back
Fastening methodscrew fixing
Mounting clearance, top100mm
Mounting clearance, bottom75mm
Mounting clearance, side5mm
3RW4434-6BC36 — Environmental
ParameterValue
Operating temperature range60°C
Ambient class during operation (IEC 60721)3K6 (no formation of ice, no condensation), 3C3 (no salt mist), 3S2 (sand must not get into the devices), 3M6
Ambient class during transport (IEC 60721)2K2, 2C1, 2S1, 2M2 (max. fall height 0.3 m)
MPN
3RW4434-6BC36