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Siemens 3RW4076-6BB44 SIRIUS 3RW40 S12 Soft Starter

Siemens SIRIUS 3RW40 · S12 SOFT STARTER

3RW4076-6BB44

The 3RW4076-6BB44 is a Siemens SIRIUS 3RW40 S12 soft starter rated at 432 A at 40 °C, with 200–460 V AC operating voltage and 230 V AC control supply.

RATED CURRENT432 A AT 40 °C

MOTOR POWER250 KW / 400 V

DIMENSIONS160 × 230 × 278 MM

NET WEIGHT8.808 KG

MANUFACTURERSiemens

CONDITION / WARRANTYOriginal New · One-Year Warranty

ISO CERTIFICATIONISO-Certified Product

VERIFICATION● Product photos and videos provided after inquiry

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SIEMENS ● SIRIUS 3RW40 S12 SOFT STARTER

Siemens SIRIUS 3RW40

3RW4076-6BB44

432 A AT 40 °C · 250 KW / 400 V

S12 SOFT STARTER FOR THREE-PHASE MOTORS

PRODUCT ROLE

3RW4076-6BB44 is a Siemens SIRIUS 3RW40 S12 soft starter rated at 432 A at 40 °C, with 200–460 V AC operating voltage and 230 V AC control supply.

CONFIGURATION NOTE

For 3RW4076-6BB44, Siemens identifies 3RW4076-6BB44 as an S12 soft starter. Confirm the complete article number, 200–460 V AC motor circuit, 230 V AC control supply, motor rating, mounting space and terminal arrangement before ordering.

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OFFICIAL SIEMENS REFERENCE

Technical Specifications

Siemens 3RW4076-6BB44 ↗

SIRIUS 3RW40 S12 SOFT STARTER

Engineering data at a glance

Click “+” to expand more specifications.

HEIGHT230 MM

WIDTH160 MM

DEPTH278 MM

NET WEIGHT8.808 KG

Official Siemens technical data for the SIRIUS 3RW4076-6BB44 S12 soft starter.

Official product verificationVerify the complete order number 3RW4076-6BB44, the 200–460 V AC motor circuit, 230 V AC control supply, rated motor data, mounting dimensions and terminal configuration before ordering.

GENERAL INFORMATION −

BrandSiemens

Part number3RW4076-6BB44

Product typeSIRIUS 3RW40 Soft Starter

Product familySIRIUS 3RW40

Product designationS12 soft starter

Rated operational current432 A at 40 °C

ELECTRICAL DATA ＋

Operating voltage200–460 V AC

Control supply voltage230 V AC

Motor power at 400 V250 kW

Motor power at 230 V132 kW

Rated frequency50–60 Hz

MECHANICAL DATA ＋

Width160 mm

Height230 mm

Depth278 mm

FUNCTIONS & CONNECTIONS ＋

Integrated bypass contactsYes

Electronic motor overload protectionYes

Adjustable current limitingYes

External resetYes

Main-circuit connectionBusbar connection

Auxiliary/control connectionScrew terminals

Source: Siemens official manufacturer datasheet and SIRIUS 3RW30/3RW40 documentation for 3RW4076-6BB44.

FAQ

Questions Buyers Ask Most

What is 3RW4076-6BB44?＋

3RW4076-6BB44 is a Siemens SIRIUS 3RW40 S12 soft starter for controlled starting and stopping of three-phase motors, rated at 432 A at 40 °C.

Which motor-circuit voltage does 3RW4076-6BB44 support?＋

3RW4076-6BB44 is specified for a 200–460 V AC operating-voltage range. The connected motor, upstream protection and installation voltage must match the Siemens data.

What control supply is required by 3RW4076-6BB44?＋

3RW4076-6BB44 requires a 230 V AC control supply. Verify the complete part number and control-circuit frequency before replacement or commissioning.

What motor power is associated with 3RW4076-6BB44?＋

3RW4076-6BB44 is rated for 250 kW at 400 V and 132 kW at 230 V under the documented standard-circuit and temperature conditions.

What are the dimensions and weight of 3RW4076-6BB44?＋

3RW4076-6BB44 measures 160 × 230 × 278 mm (W × H × D) and has a Siemens-listed net weight of 8.808 kg.

Which protection and starting functions are built into 3RW4076-6BB44?＋

3RW4076-6BB44 includes integrated bypass contacts, electronic device self-protection, motor-overload protection, adjustable current limiting and external reset functionality.

What should be checked before replacing 3RW4076-6BB44?＋

3RW4076-6BB44: confirm the complete article number, motor voltage and power, 230 V AC control supply, duty class, mounting space, busbar connection and screw-terminal wiring.

CONTACT PRODUCT SPECIALIST

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Share the complete article number, motor voltage and power, control supply, duty class, mounting dimensions and terminal configuration for compatibility, availability and lead-time checking.

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DATA SHEET

Official Datasheet and References for
3RW4076-6BB44

Official Siemens manufacturer-reference information for the SIRIUS 3RW40 S12 soft starter.

Official datasheet status

Siemens manufacturer documentation identifies 3RW4076-6BB44 as a SIRIUS S12 soft starter rated at 432 A at 40 °C, 250 kW at 400 V, with 200–460 V AC operating voltage and 230 V AC control supply.

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Technical statements on this product page are based on publicly available official Siemens manufacturer documentation.

SIRIUS 3RW40 SOFT-STARTER RELATIONSHIP

How 3RW4076-6BB44 Fits the Siemens SIRIUS 3RW40 Range

Siemens is the brand; SIRIUS 3RW40 is the soft-starter family; and 3RW4076-6BB44 identifies the S12 432 A, 200–460 V AC configuration with 230 V AC control supply.

Siemens · BRAND

Siemens SIRIUS 3RW40 S12432 A · 200–460 V AC

OPERATING VOLTAGE

200–460 V AC

3RW4076-6BB44 operates on a 200–460 V AC three-phase motor circuit.

RATED CURRENT

432 A AT 40 °C

The rated operational current is 432 A at an ambient temperature of 40 °C.

MOTOR POWER

250 KW / 400 V

The documented standard-circuit motor power is 250 kW at 400 V.

System relationship: the SIRIUS 3RW40 soft starter controls motor acceleration and deceleration while integrated protection and bypass functions support the installed three-phase drive.

APPLICATION AREAS

Application areas for 3RW4076-6BB44

Pump DrivesControlled starting and soft stopping for suitable pump motors

Conveyor SystemsSmooth acceleration and deceleration for conveyor-belt and roller-conveyor drives

APPLICATION CENTER 3RW4076-6BB44 SIRIUS 3RW40 S12 432 A soft starter

Compressor DrivesCurrent-limited starting for suitable compressor motors

Fan and Blower DrivesControlled motor starting for suitable small-fan and centrifugal-blower applications

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What to provide: If a product-related issue occurs within the warranty period, contact our team and submit one clear, continuous video for review.

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✓Power supply and wiring connections

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✓Clear description of the fault

✓Continuous video showing the issue

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