3RW4046-1BB15

The 3RW4046-1BB15 is a Siemens SIRIUS 3RW40 series S3 housing soft starter with a rated operating voltage ranging from 400 to 600V, a rated current of 73A at 50°C, a capacity of 50HP at 460V and 60HP at 575V, and a control power supply voltage of 24V AC/DC.

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Product Positioning

The 3RW4046-1BB15 is a Siemens SIRIUS 3RW40 series S3 housing soft starter with a rated current of 73A and an operating voltage ranging from 400 to 600V, suitable for motor applications with different mains voltages such as 460V and 575V.

Core Product Advantages and Features

Wide operating voltage range

Rated operating voltages range from 400 to 600V, suitable for industrial power grids with higher voltage levels.

Compatible with 50 to 60HP motors

A 50HP three-phase motor is available at 460V, and a 60HP three-phase motor is available at 575V.

24V AC/DC control power supply

The control circuit is designed for 24V, which facilitates integration and wiring with common low-voltage control systems.

Built-in current limiting and overload protection

It integrates adjustable current-limiting start-up and motor overload monitoring, simplifying control panel configuration.

project	Specification
Case size	S3
Rated current (50°C)	73 A
Rated operating voltage	400...600 V AC
Control power supply voltage	24 V AC/DC
Motor power (460V, UL)	50 HP
Motor power (575V, UL)	60 HP
Main circuit terminal type	Screw terminals
Main standards	IEC 60947-4-2
Reference weight (S3 casing)	Approximately 1.9 kg
Applicable occasions	Three-phase motor applications such as pumps, conveyors, and compressors

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3RW4046-1BB04

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