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Siemens 3RW4076-2BB44 SIRIUS Soft Starter - 432A

Siemens SIRIUS soft starter, 432A, 250kW, 200-460V AC.

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ManufacturerSiemens

Part number3RW4076-2BB44

Current 432 A

Power 250 kW @ 400 V

Voltage 200-460 V AC

Control Voltage 230 V AC

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12-month warranty

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Same-day dispatch

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

High current rating 250 kW power capacity Wide operating voltage Spring-type terminals Smooth motor start/stop

Product description

The Siemens 3RW4076-2BB44 is a SIRIUS soft starter designed for motor control, rated at 432 Amps and capable of handling 250 kW at 400V. It operates within a voltage range of 200-460V AC with a 230V AC control voltage, featuring spring-type terminals for secure connections.

This soft starter is suitable for applications requiring smooth acceleration and deceleration of motors, reducing mechanical stress and electrical inrush currents. It finds use in various industrial settings including conveyor systems, pumps, fans, and other machinery where precise motor control is essential.

Stanlo Automation, a veteran-owned business, offers a reliable source for surplus industrial parts like the Siemens 3RW4076-2BB44. We provide quality components to keep your operations running efficiently, backed by expert knowledge and dedicated service.

Technical specifications

Current	432 A
Power	250 kW @ 400 V
Voltage	200-460 V AC
Control Voltage	230 V AC
Terminals	Spring-type
Series	SIRIUS 3RW40

Common applications

Motor control

Pump applications

Fan control

Conveyor systems

Industrial machinery

Compatible systems

Compatible with Siemens SIRIUS motor protection devices and contactors.

Also known as

Siemens SIRIUS 3RW40 soft starter 3RW4076

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens 3RW5076-2AB14.

Technical note

Expert tip

Ensure proper heat dissipation as the rating is for ambient temperatures up to 40°C.

What happens next?

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Frequently asked questions

What are the key specifications of the Siemens 3RW4076-2BB44 soft starter?

The Siemens 3RW4076-2BB44 is a SIRIUS soft starter with a 432A current rating and a 250kW power capacity at 400V. It operates on 200-460V AC with 230V AC control voltage.