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Siemens 3RW4446-2BC44 SIRIUS Soft Starter

Siemens 3RW4446-2BC44 SIRIUS soft starter, values at 400V: 356A, 200kW.

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ManufacturerSiemens

Part number3RW4446-2BC44

Part Number 3RW4446-2BC44

Manufacturer Siemens

Series SIRIUS

Voltage 200-460 V AC

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Soft Start functionality Reduced inrush current Smooth acceleration Motor protection Phased-out product (successor available)

Product description

The Siemens 3RW4446-2BC44 is a SIRIUS soft starter with standard values at 400V and 40°C of 356 A and 200 kW. It offers inside-delta values of 617 A and 355 kW, with an operating voltage range of 200-460 V AC and 230 V AC spring-type terminals. This is a phased-out product, with the preferred successor being the SIRIUS 3RW5546-2HA14.

Soft starters like the 3RW4446-2BC44 are crucial for smooth motor acceleration and deceleration, reducing mechanical stress and electrical inrush current. They find applications in pumps, fans, conveyors, and compressors across various industries, including water treatment, HVAC, and general manufacturing.

Stanlo Automation, a veteran-owned surplus parts distributor, provides access to industrial components. If you're looking for specific Siemens soft starters or related automation parts, Stanlo Automation is a trusted source to help you maintain your existing systems or transition to newer models.

Technical specifications

Part Number	3RW4446-2BC44
Manufacturer	Siemens
Series	SIRIUS
Voltage	200-460 V AC
Standard Current (400V)	356 A
Standard Power (400V)	200 kW
Inside-Delta Current	617 A
Inside-Delta Power	355 kW
Terminals	230 V AC Spring-type

Common applications

Motor Control

Pump Systems

Fan Control

Conveyor Systems

HVAC Systems

Industrial Machinery

Compatible systems

Siemens SIRIUS motor control systems

Also known as

Siemens SIRIUS Soft Starter 3RW4446 Soft Starter

Replaces / compatible with

This is a phased-out product. The preferred successor is the SIRIUS 3RW5546-2HA14. Compatible with systems designed for Siemens SIRIUS soft starters.

Technical note

Expert tip

While this unit is phased out, ensure that any replacement or existing installation adheres to the latest safety regulations and motor protection requirements specified by Siemens.

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Frequently asked questions

What are the successor models for the Siemens 3RW4446-2BC44?

The Siemens 3RW4446-2BC44 is a phased-out product. Its preferred successor is the SIRIUS 3RW5546-2HA14. This transition allows for updated features and continued support in Siemens' product line.