Siemens
Siemens SIRIUS 3RW4027-2BB14 Soft Starter
Siemens SIRIUS 3RW4027-2BB14 Soft Starter
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12-Mo Warranty
Same-Day Dispatch
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🎖 Veteran-Owned
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12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
Controlled motor starting
Reduced inrush current
Adjustable start-up torque
Spring-type terminals
SIRIUS design
Product description
The Siemens 3RW4027-2BB14 is a SIRIUS soft starter designed for smooth and controlled starting of three-phase induction motors. It limits the inrush current, reducing mechanical stress on the motor and connected equipment, and provides adjustable start-up torque.
This soft starter is ideal for applications in HVAC, pump control, conveyor systems, and other machinery where soft motor starting is beneficial. It operates within a 200-480V AC supply range and is rated for 15 kW at 400V, with a 32A continuous current capacity.
Stanlo Automation, a veteran-owned surplus distributor, stocks the Siemens 3RW4027-2BB14. We offer reliable industrial automation parts with fast shipping and expert support.
Technical specifications
| Part Number | 3RW4027-2BB14 |
| Manufacturer | Siemens |
| Series | SIRIUS |
| Type | Soft Starter |
| Rating | S0 |
| Current | 32 A |
| Power | 15 kW @ 400V |
| Voltage | 200-480 V AC |
| Control Voltage | 110-230 V AC/DC |
| Terminals | Spring-type |
Common applications
Pump control
Fan control
Conveyor systems
HVAC systems
Machine tools
Compatible systems
Three-phase induction motors
Also known as
Siemens SIRIUS soft starter
3RW40 series soft starter
Replaces / compatible with
Designed to replace traditional direct-on-line (DOL) starters where soft starting is required. Compatible with SIRIUS motor control accessories.
Technical note
Expert tip
Ensure the control voltage (110-230V AC/DC) is correctly applied to the spring-type terminals for proper operation.What happens next?
1
Email confirmation
Immediate receipt acknowledgment sent to you
2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
Tailored to your specific requirements
Frequently asked questions
What is the current and power rating of the Siemens 3RW4027-2BB14?
The Siemens 3RW4027-2BB14 soft starter has a continuous current rating of 32 A and supports motor power up to 15 kW when used with a 400V supply. It is designed for smooth motor acceleration.