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Datasheet generated 2026-10-07
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Siemens SIRIUS 3RW soft starter 3RW3027-1BB14

Siemens · Drives & Controllers · Soft Starters · Germany · siemens.com
Part Number
3RW3027-1BB14  ·  HS 8537.10
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Siemens 3RW3027-1BB14 — SIRIUS 3RW soft starter. Motor soft starter with controlled voltage ramp for reduced-inrush motor start. SOFT STARTER, S0, 32A, 15KW/400V, 40 GR, 200-480V AC, 110-230V AC/DC, SCREW TILK, ONLY RAMPETID OPP.

Technical Specifications

Manufacturer part number (MPN)3RW3027-1BB14
EAN / GTIN4011209719453
Sales unitpcs
insulation voltage rated value600 V
blocking voltage of the thyristor maximum1 600 V
operational current – at 40 °C rated value32 A
operational current – at 50 °C rated value29 A
operational current – at 60 °C rated value26 A
yielded mechanical performance [hp] for 3-phase AC motor at 200/208 V at standard circuit at 50 °C rated value7.5 hp
operating frequency rated value50 ... 60 Hz
operating voltage at standard circuit rated value200 ... 480 V
continuous operating current [% of Ie] at 40 °C115 %
power loss [W] at operational current at 40 °C during operation typical13 W
control supply voltage frequency 1 rated value50 Hz
control supply voltage frequency 2 rated value60 Hz
control supply voltage 1 at AC at 50 Hz110 ... 230 V
control supply voltage 1 at AC at 60 Hz110 ... 230 V
control supply voltage 1 at DC110 ... 230 V
Mechanical data – width45 mm
Mechanical data – height125 mm
Mechanical data – depth150 mm
mounting positionWith vertical mounting surface +/-10° rotatable, with vertical mounting surface +/- 10° tiltable to the front and back
required spacing with side-by-side mounting – upwards60 mm
required spacing with side-by-side mounting – at the side15 mm
required spacing with side-by-side mounting – downwards40 mm
wire length maximum300 m
required spacing with side-by-side mounting – number of poles for main current circuit3
type of connectable conductor cross-sections for main contacts for box terminal using the front clamping point – solid2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²)
type of connectable conductor cross-sections for auxiliary contacts – solid2x (0.5 ... 2.5 mm²)
installation altitude at height above sea level5 000 m
ambient temperature – during operation-25 ... +60 °C
ambient temperature – during storage-40 ... +80 °C
derating temperature40 °C
FunctionSingle direction
With displayNo
Degree of protection (IP)IP20
Rated operation current Ie at 40 °C Tu32 A
Rated power three-phase motor, inline, at 230 V7.5 kW
Rated power three-phase motor, inline, at 400 V15 kW
Rated surrounding temperature without derating40 °C
Voltage type for actuatingAC/DC
Internal bypassYes
Torque controlNo
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents