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Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

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Siemens 3RW3018-1BB04 Soft Starter 200 to 480V Open Box Unused

$549.00 USD

Sale Sold out

ConditionOpen Box - Unused MPN3RW3018-1BB04 Stock #Stock # 0626-01783

Photos reflect current condition. Items differing from description may be eligible for return or refund — see our condition guide.

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Estimated package weight: 5.0 lbs

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Product Specifications

Manufacturer: Siemens
MPN / Model: 3RW3018-1BB04
Product Type: SIRIUS AC Semiconductor Motor Starter (Soft Starter)
Rated Power: 7.5 kW at 400V, 4 kW at 230V
Rated Operational Current: 17.6 A at up to 40C
FLA: 17 A at up to 50C
Rated Operational Voltage: 200 to 480V, 50/60 Hz
Control Supply Voltage: 24V (Us)
Horsepower: 3 HP at 200V, 3 HP at 230V, 10 HP at 460V (3PH)
Rated Insulation Voltage: 480V (Ui)
Rated Impulse Voltage: 6 kV (Uimp)
Standards: IEC 60947-4-2, IEC 60947-5-1, GB/T14048.6
Approvals: UL Listed, CE, CCC, EAC, UKCA, KCC-REM-S49-3RW

Product Description

Siemens SIRIUS soft starter, catalog number 3RW3018-1BB04, is an AC semiconductor motor starter rated for 7.5 kW at 400V and 4 kW at 230V, with a rated operational current of 17.6 A. The unit operates across a 200 to 480V range at 50/60 Hz and uses a 24V control supply. Adjustable ramp time and starting voltage are set through the two front rotary dials, and front terminals are marked 1/L1, 3/L2, 5/L3 on the line side along with A2, A1, 1, 13, and 14 for control and auxiliary connections. DEVICE, STATE/BYPASSED, and FAILURE status indicators are provided on the face. This catalog number is useful for buyers matching an exact Siemens SIRIUS 3RW30 soft starter for replacement, spare inventory, or maintenance sourcing. Confirmed identifiers include the manufacturer, MPN, rated power and current, control voltage, and the carton serial reference 1P3RW3018-1BB04+SLO230515.

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Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.