3RW4036-1BB05

The Siemens SIRIUS 3RW4036-1BB05 soft starter, with an S2 frame and a rated current of 45A, is suitable for 400 to 600V AC high-voltage three-phase motors, corresponding to 30kW/500V. It is equipped with 24V AC/DC control voltage and screw terminals, and is suitable for starting motors in high-voltage power grid applications.

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Siemens 3RW4036-1BB05 SIRIUS Soft Starter 500V Product Image

Product Positioning

The 3RW4036-1BB05 is a Siemens SIRIUS 3RW40 series soft starter with a rated current of 45A, designed specifically for three-phase motors operating on 400 to 600V AC high-voltage power grids.

Core Product Advantages and Features

High-voltage grid compatibility

With an operating voltage range of 400 to 600V AC, it is suitable for three-phase motors in some high-voltage power distribution environments.

24V control voltage

The control power supply is 24V AC/DC, which is compatible with the output voltage of common PLCs, making it easy to integrate into the control system.

Built-in bypass connection

After startup, it switches to bypass operation to reduce heat generation and energy consumption during operation.

Thyristor control technology

The starting current curve is controlled by semiconductor components to reduce mechanical shock during startup.

project	Specification
Rated current	45 A (40°C)
Corresponding power/voltage	30 kW / 500 V
Applicable voltage range	400-600 V AC
Control power supply voltage	24 V AC/DC
Terminal block type	Screw terminals
Base size	S2
External dimensions	55 x 160 x 170 mm
Enclosure protection rating	IP20 (Front-facing touch safety)
Insulation voltage	600 V
Pollution level	Level 3 (according to IEC 60947-4-2)
Power components	Thyristor
Built-in functions	Bypass contacts, motor overload protection
Product Series	SIRIUS 3RW40

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