Home › Manufacturers › Siemens › 3RK1323-6ES81-3AA3

Siemens

Siemens ECOFAST R2SS Soft Starter - AS-Interface, up to 1.5 kW

Siemens ECOFAST R2SS AS-i soft starter with multi-speed and brake control.

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RK1323-6ES81-3AA3

Type Soft Starter

Series ECOFAST R2SS

Communication AS-Interface

Max Power 1.5 kW

Get a price for 3RK1323-6ES81-3AA3

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

AS-Interface communication Multiple speed control Integrated brake control Smooth motor starting Up to 1.5 kW motor power

Product description

The Siemens 3RK1323-6ES81-3AA3 is an ECOFAST soft starter, model R2SS, designed for applications requiring multiple speeds and integrated brake control. It communicates via AS-Interface (AS-i), allowing for streamlined wiring and integration into automation systems. This soft starter is suitable for motor power up to 1.5 kW.

It offers smooth starting for motors, reducing mechanical stress and electrical inrush currents. The parameterizable speeds and brake control functions provide flexibility for various machine control scenarios. Its AS-i interface simplifies connection to the automation network, making it an efficient choice for system integrators.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RK1323-6ES81-3AA3 ECOFAST soft starter. We provide reliable industrial automation components to help you maintain and optimize your equipment.

Technical specifications

Type	Soft Starter
Series	ECOFAST R2SS
Communication	AS-Interface
Max Power	1.5 kW
Features	Multiple speeds, Brake control
Input/Output	AS-i

Common applications

Motor control

Conveyor systems

Pump applications

Machine tools

Automated production lines

Packaging machinery

Compatible systems

AS-Interface (AS-i) networks Siemens SIMATIC PLCs Motors requiring multi-speed control and soft start

Also known as

Siemens R2SS Soft Starter

Replaces / compatible with

This soft starter replaces traditional direct-on-line starters or complex speed control setups, offering integrated functionality via the AS-i network.

Technical note

Expert tip

Ensure the AS-Interface bus provides sufficient power and correct addressing for the 3RK1323-6ES81-3AA3 to function reliably, especially when multiple devices are connected.

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 supported by the Siemens 3RK1323-6ES81-3AA3 soft starter?

The Siemens 3RK1323-6ES81-3AA3 ECOFAST soft starter R2SS can power motors with an output of up to 1.5 kW. It is designed to provide smooth starting and speed control for such applications.