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Siemens SIRIUS 3RW4036-2BB15 S2 Soft Starter

Siemens SIRIUS 3RW4036-2BB15 S2 soft starter for smooth motor acceleration.

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ManufacturerSiemens

Part number3RW4036-2BB15

Type S2 Soft Starter

Current Rating 45A

Power Rating 30kW @ 500V

Main Voltage 400-600V AC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Smooth motor acceleration Reduced starting current Integrated overload protection Wide voltage range Spring-type terminals Compact design

Product description

The Siemens 3RW4036-2BB15 is a SIRIUS S2 soft starter designed to provide smooth and controlled acceleration for three-phase motors. This unit is rated for 45 Amps and can handle up to 30 kW of power at 500V. It operates on a wide input voltage range of 400-600V AC for the main circuit and 110-230V AC/DC for control circuits. It features integrated spring-type terminals for secure and quick connections.

Ideal for applications where high starting currents need to be reduced to minimize mechanical stress and electrical load, this soft starter is suitable for pumps, fans, compressors, and conveyor systems. It helps to extend the lifespan of motors and connected equipment by providing controlled start-up.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 3RW4036-2BB15. Secure reliable and cost-effective motor control solutions for your industrial needs.

Technical specifications

Type	S2 Soft Starter
Current Rating	45A
Power Rating	30kW @ 500V
Main Voltage	400-600V AC
Control Voltage	110-230V AC/DC
Terminals	Spring-type
Series	SIRIUS 3RW40

Common applications

Pump control

Fan applications

Conveyor systems

Compressor starting

Material handling

Industrial machinery

Compatible systems

Suitable for direct integration with Siemens SIRIUS motor protection components and PLC control systems.

Also known as

Siemens SIRIUS 3RW40 S2 soft starter 3RW4036 Siemens motor starter 3BB15

Replaces / compatible with

Designed to replace direct-on-line starters and other soft starter models within the specified power and voltage ratings, offering improved motor protection and control.

Technical note

Expert tip

Ensure the ambient temperature does not exceed 40°C for the rated performance of 45A.

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Frequently asked questions

What is the power rating and voltage range for the Siemens 3RW4036-2BB15 soft starter?

The Siemens 3RW4036-2BB15 SIRIUS soft starter is rated for 30 kW at 500V. The main circuit operates on 400-600V AC, and the control circuit accepts 110-230V AC/DC.