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Siemens 3RW4436-6BC45 SIRIUS Soft Starter - High Power

Siemens 3RW4436-6BC45 SIRIUS soft starter for high-power motor control.

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ManufacturerSiemens

Part number3RW4436-6BC45

Standard 162 A, 110 kW @ 500V, 40°C

Inside-delta 281 A, 200 kW @ 500V

Voltage 400-600 V AC

Terminals Screw

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Veteran-owned

CAGE: 9NK75

Controlled motor starting Reduced mechanical stress Minimized current peaks High power capacity SIRIUS design

Product description

The Siemens 3RW4436-6BC45 is a SIRIUS soft starter designed for smooth and controlled starting of three-phase motors. It operates with values of 162A (110 kW) at 500V in standard configuration and 281A (200 kW) in inside-delta configuration. The unit is designed for 400-600V AC power supply and features screw terminals for connections.

This soft starter is ideal for applications requiring reduced mechanical stress during motor start-up, such as pumps, fans, compressors, and conveyors. It helps to minimize current peaks, thereby reducing strain on the power supply network and mechanical components. This specific model is a phased-out product, with the SIRIUS 3RW5 series being its successor.

Stanlo Automation, a veteran-owned surplus distributor, offers this Siemens 3RW4436-6BC45 soft starter. We provide access to hard-to-find and discontinued parts like this, ensuring your machinery can continue to operate efficiently. Our commitment is to deliver reliable industrial automation components.

Technical specifications

Standard	162 A, 110 kW @ 500V, 40°C
Inside-delta	281 A, 200 kW @ 500V
Voltage	400-600 V AC
Terminals	Screw
Manufacturer	Siemens

Common applications

Pump control

Fan control

Compressor starting

Conveyor systems

Heavy machinery

Motor control

Compatible systems

Three-phase induction motors (400-600V AC)

Also known as

Siemens SIRIUS Soft Starter 3RW4436 Soft Starter High power motor starter

Replaces / compatible with

Phased-out product. Successor is SIRIUS 3RW5. Preferred successor type is >>3RW5536-6HA16<<.

Technical note

Expert tip

This unit is a phased-out product, ensure that spare parts and technical support will be available for its lifecycle, or consider upgrading to the successor 3RW5 series.

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Frequently asked questions

What are the power ratings for the Siemens 3RW4436-6BC45 soft starter?

The Siemens 3RW4436-6BC45 soft starter has a rating of 162 A and 110 kW at 500V under standard configuration. For inside-delta configurations, it is rated for 281 A and 200 kW at 500V, 40°C.