Home › Manufacturers › Siemens › 3RW4456-6BC36

Siemens

Siemens 3RW4456-6BC36 SIRIUS Soft Starter - Phased Out

Siemens 3RW4456-6BC36 SIRIUS soft starter (phased out).

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RW4456-6BC36

Part Number 3RW4456-6BC36

Manufacturer Siemens

Voltage 400-690 V AC

Control Voltage 115 V AC

Get a price for 3RW4456-6BC36

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 mechanical stress Reduced electrical load Screw terminals SIRIUS series

Product description

The Siemens 3RW4456-6BC36 is a SIRIUS soft starter designed for smooth motor acceleration. It provides essential starting values at 575 V, 50 °C standard at 693 A and within-delta at 1200 A. This unit operates on 400-690 V AC and is powered by 115 V AC, featuring screw terminals for secure connections. Please note this product is phased out.

Ideal for applications requiring controlled motor start-up to reduce mechanical stress and electrical load on the power supply. Common uses include pumps, fans, compressors, and conveyors. The successor product is the SIRIUS 3RW5, with the preferred successor type being 3RW5554-6HA16.

Stanlo Automation, a veteran-owned surplus parts distributor, can help you source this or its successor. We specialize in providing reliable automation components, ensuring your industrial needs are met with quality and efficiency.

Technical specifications

Part Number	3RW4456-6BC36
Manufacturer	Siemens
Voltage	400-690 V AC
Control Voltage	115 V AC
Standard Current (575V, 50C)	693 A
Inside-Delta Current	1200 A
Terminals	Screw

Common applications

Pump control

Fan control

Compressor starting

Conveyor systems

Motor control panels

Compatible systems

Designed for AC motor control applications.

Also known as

Siemens SIRIUS 3RW44 Soft Starter 3RW4456 Siemens Motor Starter

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens 3RW5554-6HA16.

Technical note

Expert tip

When replacing the 3RW4456-6BC36, verify the specifications of the 3RW5554-6HA16 to ensure compatibility with your system's load requirements.

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 to the Siemens 3RW4456-6BC36 soft starter?

The Siemens 3RW4456-6BC36 is a phased-out product. The preferred successor is the SIRIUS 3RW5554-6HA16.