Home › Manufacturers › Siemens › 3RW4055-6BB35

Siemens

Siemens SIRIUS 3RW40 Soft Starter - 117A, 100HP

Siemens SIRIUS 3RW40 Series Soft Starter - 117A.

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RW4055-6BB35

Model 3RW4055-6BB35

Amperage 117 A

Motor Power 100 HP at 575 V

Main Voltage 400-600 V AC

Get a price for 3RW4055-6BB35

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 Reduces Mechanical & Electrical Stress Rated for 117A / 100 HP 400-600V AC Main Circuit 115V AC Control Circuit Screw Terminals

Product description

The Siemens SIRIUS 3RW4055-6BB35 is a soft starter designed to provide smooth acceleration for three-phase motors. This unit is rated for 117 Amperes and can handle motors up to 100 HP at 575 V. It operates with a main circuit voltage of 400-600 V AC and a control circuit voltage of 115 V AC, featuring screw terminals for connections.

This soft starter is ideal for applications where high starting torque is not required, helping to reduce mechanical stress on machinery and electrical stress on the power supply. It is commonly used in conveyor systems, pumps, fans, and compressors to provide controlled motor startup.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Siemens 3RW4055-6BB35. As this is a phased-out product, we provide a valuable source for replacement or spare parts to maintain your existing equipment.

Technical specifications

Model	3RW4055-6BB35
Amperage	117 A
Motor Power	100 HP at 575 V
Main Voltage	400-600 V AC
Control Voltage	115 V AC
Terminals	Screw
Series	SIRIUS 3RW40
Manufacturer	Siemens

Common applications

Conveyor Systems

Pump Control

Fan Control

Compressor Starters

Industrial Motor Control

Compatible systems

Three-phase induction motors Siemens SIRIUS 3RW5 series accessories

Also known as

Siemens SIRIUS Soft Starter 3RW40 3RW40556BB35 Siemens 117A soft starter

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens SIRIUS 3RW5055-6AB15. It is designed for motor control applications where smooth starting is needed.

Technical note

Expert tip

While a phased-out product, ensure proper heat dissipation and control wiring as per the original installation guidelines for reliable operation.

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 successor product for the Siemens 3RW4055-6BB35 soft starter?

The Siemens 3RW4055-6BB35 SIRIUS soft starter is a phased-out product. The preferred successor is the Siemens SIRIUS 3RW5055-6AB15, offering updated technology and features for modern motor control applications.