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Siemens SIRIUS 3RW4423-3BC36 Soft Starter - Phased Out

Siemens SIRIUS 3RW4423-3BC36 Soft Starter - Phased Out.

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ManufacturerSiemens

Part number3RW4423-3BC36

Voltage Rating 400-690 V AC

Control Voltage 115 V AC

Standard Rating (575V, 50°C) 32 A, 25 hp

Inside-Delta Rating 55 A, 50 hp

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Veteran-owned

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Smooth Motor Starting Robust Performance Wide Voltage Range High Power Ratings Industrial Grade

Product description

The Siemens 3RW4423-3BC36 is a SIRIUS soft starter. This unit is designed for smooth starting of electric motors. It is rated for applications with standard motor ratings at 575 V, 50 °C, supporting 32 A and 25 hp. For inside-delta configurations, it supports 55 A and 50 hp across a voltage range of 400-690 V AC, with a 115 V AC control voltage and spring-type terminals.

This product is now phased out. The preferred successor is the Siemens SIRIUS 3RW5 series, specifically model 3RW5524-3HA16. While this older model is no longer manufactured, its specifications highlight its robust capabilities for motor control in industrial settings.

Stanlo Automation, a veteran-owned surplus parts distributor, may have limited stock of the Siemens 3RW4423-3BC36. Secure this component if needed for existing systems or consider its successor for new installations. Rely on us for your industrial surplus needs.

Technical specifications

Voltage Rating	400-690 V AC
Control Voltage	115 V AC
Standard Rating (575V, 50°C)	32 A, 25 hp
Inside-Delta Rating	55 A, 50 hp
Terminals	Spring-type
Status	Phased-out

Common applications

Motor Control

Pump Systems

Fan Control

Conveyor Systems

Industrial Machinery

Compatible systems

AC Induction Motors Motor Control Panels

Also known as

Siemens Soft Starter 3RW4423 SIRIUS Soft Starter

Replaces / compatible with

This product is phased out. The preferred successor is the Siemens SIRIUS 3RW5 series, with model 3RW5524-3HA16 being the recommended replacement.

Technical note

Expert tip

When replacing the phased-out 3RW4423-3BC36, ensure the successor 3RW5524-3HA16 meets all electrical and mechanical integration requirements of your system.

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Frequently asked questions

Is the Siemens 3RW4423-3BC36 soft starter still in production?

No, the Siemens 3RW4423-3BC36 SIRIUS soft starter is a phased-out product. The successor is the SIRIUS 3RW5 series, with 3RW5524-3HA16 being the preferred replacement model.