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Siemens 3RW4454-6BC46 SIRIUS Soft Starter

Siemens 3RW4454-6BC46 SIRIUS soft starter

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ManufacturerSiemens

Part number3RW4454-6BC46

Values at 690 V, 40 °C 615 A, 630 kW

Inside-delta up to 600 V

Voltage 400-690 V AC

Control Voltage 230 V AC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Smooth motor start High power rating Wide voltage range Screw terminals SIRIUS design

Product description

The Siemens 3RW4454-6BC46 is a SIRIUS soft starter designed for smooth motor acceleration. It operates within a voltage range of 400-690V AC and has standard ratings of 615A at 690V and 40°C, supporting up to 630kW. This model is for use up to 600V when connected inside the delta and features screw terminals.

This soft starter is suitable for various industrial applications requiring controlled motor starting to reduce mechanical stress and power surges. It finds use in conveyor systems, pump controls, and other machinery where smooth acceleration is critical.

As a veteran-owned surplus parts distributor, Stanlo Automation offers hard-to-find and discontinued components like the Siemens 3RW4454-6BC46. We provide reliable access to essential industrial automation parts, ensuring your operations continue smoothly.

Technical specifications

Values at 690 V, 40 °C	615 A, 630 kW
Inside-delta	up to 600 V
Voltage	400-690 V AC
Control Voltage	230 V AC
Terminals	Screw

Common applications

Motor control

Industrial machinery

Pump systems

Conveyor systems

Fan controls

Compatible systems

Legacy Siemens motor control systems

Also known as

Siemens SIRIUS 3RW4454-6BC46 3RW44546BC46

Replaces / compatible with

This product is phased out. The preferred successor is the Siemens SIRIUS 3RW5552-6HA16.

Technical note

Expert tip

Note that this unit is phased out and intended for legacy systems. Ensure compatibility with control voltage and physical mounting before replacement.

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Frequently asked questions

What are the main specifications for the Siemens 3RW4454-6BC46 soft starter?

The Siemens 3RW4454-6BC46 soft starter is rated for 615A at 690V and 40°C, with a maximum power output of 630kW. It operates on 400-690V AC with a 230V AC control voltage.