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Siemens SIRIUS Soft Starter 3RW4436-6BC46 - Phased Out Product

Siemens SIRIUS Soft Starter 3RW4436-6BC46 (phased out).

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ManufacturerSiemens

Part number3RW4436-6BC46

Rated Current (690V) 162 A

Rated Power (690V) 160 kW

Control Voltage 230 V AC

Main Voltage 400-690 V AC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Smooth motor starting Reduced mechanical stress Lower electrical inrush current 162A @ 690V Phased out product

Product description

The Siemens SIRIUS soft starter, part number 3RW4436-6BC46, is designed for smooth starting of three-phase motors. At 690V and 40°C standard conditions, it can handle a current of 162 A and a motor power of 160 kW. When configured inside-delta, it is limited to 600V. The operating voltage range is 400-690 V AC for the main circuit and 230 V AC for the control circuit, with screw terminals for connection.

This product is phased out by the manufacturer. The preferred successor is the SIRIUS 3RW5536-6HA16. This soft starter was used in applications requiring controlled motor acceleration, such as conveyor systems, pumps, and fans, to reduce mechanical stress and electrical load during startup.

Stanlo Automation, a veteran-owned surplus distributor, may have this phased-out Siemens 3RW4436-6BC46 available. Contact us for availability and to explore potential successor options.

Technical specifications

Rated Current (690V)	162 A
Rated Power (690V)	160 kW
Control Voltage	230 V AC
Main Voltage	400-690 V AC
Terminals	Screw
Status	Phased Out

Common applications

Conveyor Systems

Pump Control

Fan Control

Compressor Starters

Industrial Motor Applications

Compatible systems

Three-phase AC motors

Also known as

SIRIUS Soft Starter 3RW4436 Siemens Motor Starter

Replaces / compatible with

This product is phased out. The preferred successor is Siemens SIRIUS 3RW5536-6HA16.

Technical note

Expert tip

When replacing with the successor 3RW55 series, verify wiring and parameter settings as there may be minor differences.

What happens next?

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Frequently asked questions

What is the successor to the Siemens 3RW4436-6BC46 soft starter?

The Siemens 3RW4436-6BC46 soft starter is a phased-out product. The manufacturer's preferred successor is the Siemens SIRIUS 3RW5536-6HA16.