Home › Manufacturers › Siemens › 3RW3037-2BB04

Siemens

Siemens SIRIUS 3RW30 Soft Starter - 30kW, 63A

Siemens SIRIUS 3RW30 Soft Starter - 63A, 30kW.

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RW3037-2BB04

Rated operational current 63 A

Motor Power 30 kW (at 400V)

Control Voltage 200-480V AC, 24V AC/DC

Series SIRIUS 3RW30

Get a price for 3RW3037-2BB04

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 acceleration Reduced inrush current Extended motor and machine life Integrated bypass Compact design Spring-type terminals

Product description

The Siemens SIRIUS 3RW30 soft starter is designed to reduce mechanical stress on machinery and electrical stress on the power supply during motor startup. This model (3RW3037-2BB04) supports a 30 kW motor at 400V, has a rated operational current of 63 A, and operates with control voltages of 200-480V AC and 24V AC/DC.

It is ideal for applications requiring smooth acceleration of three-phase induction motors, such as pumps, fans, compressors, and conveyor systems, protecting both the motor and the driven equipment from shock loads.

Stanlo Automation, your trusted veteran-owned source for surplus industrial automation parts, offers the Siemens SIRIUS 3RW30 soft starter. Ensure reliable motor control with our quality components.

Technical specifications

Rated operational current	63 A
Motor Power	30 kW (at 400V)
Control Voltage	200-480V AC, 24V AC/DC
Series	SIRIUS 3RW30
Connection	Spring-type terminals
Overload Protection	Integrated

Common applications

Pump control

Fan systems

Conveyor belts

Compressors

General motor starting

Material handling

Compatible systems

Three-phase induction motors Siemens motor protection relays Control panels

Also known as

Siemens 3RW30 63A SIRIUS Soft Starter 30kW 3RW3037

Replaces / compatible with

Replaces traditional direct-on-line or star-delta starters for smoother motor acceleration and reduced electrical stress.

Technical note

Expert tip

Utilizes spring-type terminals for quick and secure wiring, reducing installation time and complexity.

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 for the Siemens 3RW3037-2BB04 soft starter?

The Siemens SIRIUS 3RW3037-2BB04 soft starter is rated for a maximum motor power of 30 kW when operating at a 400V supply voltage. Its operational current rating is 63 A.