Home › Manufacturers › Siemens › 3RW4026-1BB15

Siemens

Siemens SIRIUS 3RW4026-1BB15 Soft Starter

Siemens SIRIUS S0 Soft Starter (3RW4026-1BB15) for 25A, 15kW motors.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RW4026-1BB15

Type Soft Starter

Series SIRIUS 3RW40

Size S0

Rated Operational Current 25 A

Get a price for 3RW4026-1BB15

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

Smooth motor start/stop Reduces mechanical stress Prevents current surges Rated for 25A at 40°C Wide control voltage range SIRIUS modular system

Product description

The Siemens 3RW4026-1BB15 is a SIRIUS soft starter, size S0, designed to smoothly start and stop three-phase asynchronous motors. It has a rated operational current of 25 A and is suitable for motor ratings up to 15 kW at 500 V. The main circuit voltage range is 400-600 V AC, and the control circuit voltage is 110-230 V AC/DC.

This soft starter provides controlled acceleration, reducing mechanical stress on the motor and connected equipment, and preventing current surges. It is ideal for applications such as pump control, conveyor systems, fans, and compressors where smooth motor operation is essential. It features screw terminals for easy and secure connections.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Siemens 3RW4026-1BB15 SIRIUS soft starter. Equip your systems with reliable motor control solutions from Stanlo.

Technical specifications

Type	Soft Starter
Series	SIRIUS 3RW40
Size	S0
Rated Operational Current	25 A
Motor Power	15 kW @ 500 V
Main Circuit Voltage	400-600 V AC
Control Voltage	110-230 V AC/DC
Terminals	Screw

Common applications

Pump control

Conveyor systems

Fan control

Compressor control

Extruder drives

Industrial machinery

Compatible systems

Three-phase asynchronous motors Siemens SIRIUS motor control accessories Control panels

Also known as

Siemens Motor Starter SIRIUS 3RW40 25A Soft Starter S0 Soft Starter

Replaces / compatible with

This soft starter replaces direct-on-line starters for applications requiring reduced starting torque and current. It is compatible with other SIRIUS components.

Technical note

Expert tip

For optimal performance and longevity, ensure the ambient temperature does not exceed 40°C, as the 25A rating is specified at this temperature.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the maximum motor power the Siemens 3RW4026-1BB15 soft starter can handle?

The Siemens 3RW4026-1BB15 SIRIUS soft starter is rated for a maximum motor power of 15 kW at a voltage of 500 V.