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Siemens SIRIUS 3RW4027-2BB04 Soft Starter — S0, 32A, 15kW

Siemens SIRIUS 3RW4027-2BB04: S0 Soft Starter, 32A, 15kW, 200-480V AC.

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ManufacturerSiemens

Part number3RW4027-2BB04

Series SIRIUS

Size S0

Rated Operational Current 32 A

Motor Power 15 kW (400 V)

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Smooth motor acceleration Reduced starting current Overload protection Extended equipment lifespan S0 size Spring-type terminals

Product description

The Siemens SIRIUS 3RW4027-2BB04 is a Size S0 soft starter designed for smooth and controlled acceleration of three-phase induction motors. It features a rated operational current of 32 A and is suitable for motor outputs up to 15 kW at 400 V. The device operates with a control voltage range of 200-480 V AC and 24 V AC/DC, incorporating spring-type terminals for secure connections.

This soft starter is ideal for applications where reducing mechanical stress on machinery and power consumption during startup is crucial. Common uses include conveyor systems, pumps, fans, and compressors, extending the lifespan of both the motor and the driven equipment.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens SIRIUS 3RW4027-2BB04. We provide reliable access to quality components, ensuring your motor control applications are efficient and cost-effective.

Technical specifications

Series	SIRIUS
Size	S0
Rated Operational Current	32 A
Motor Power	15 kW (400 V)
Control Voltage	200-480 V AC, 24 V AC/DC
Terminals	Spring-type

Common applications

Conveyor systems

Pump control

Fan control

Compressor starting

Material handling

General motor starting

Compatible systems

Three-phase induction motors

Also known as

Siemens SIRIUS 3RW4027-2BB04 SIRIUS soft starter S0

Replaces / compatible with

Replaces direct-on-line starters for reduced mechanical and electrical stress during motor start-up. Compatible with SIRIUS motor starter accessories.

Technical note

Expert tip

Ensure proper heat dissipation, especially in enclosed panels, as the 40°C rating is critical for continuous operation at maximum current.

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Frequently asked questions

What is the maximum motor power for the Siemens SIRIUS 3RW4027-2BB04 soft starter at 400V?

The Siemens SIRIUS 3RW4027-2BB04 soft starter is rated for a maximum motor power of 15 kW when operating at a voltage of 400 V. It can handle a rated operational current of 32 A.