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Siemens SIRIUS 3RW52 Soft Starter - 143 A

Siemens SIRIUS 3RW52 Soft Starter with 143A rating and analog output.

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ManufacturerSiemens

Part number3RW5235-6AC14

Rated Operational Current 143 A

Supply Voltage 200-480 V AC (3-phase)

Control Voltage 110-250 V AC

Output Programmable Analog Output

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143A Rated Current 200-480V Supply 110-250V Control Programmable Analog Output Integrated Bypass Screw Terminals Soft Torque Operation

Product description

The Siemens SIRIUS 3RW5235-6AC14 is a soft starter designed to provide controlled acceleration and deceleration for three-phase motors. It operates within a supply voltage range of 200-480 V AC and has a rated operational current of 143 A. The control voltage is 110-250 V AC, and it features screw terminals for easy installation. This model includes an integrated bypass and a programmable analog output for precise motor control.

This soft starter is ideal for applications requiring reduced mechanical and electrical stress during motor startup, such as pumps, conveyors, and compressors. It offers features like adjustable current limitation, soft torque, ramp-up/down functions, and integrated electronic motor overload protection, contributing to increased system longevity and efficiency.

Stanlo Automation, a veteran-owned distributor of surplus industrial parts, offers the Siemens SIRIUS 3RW5235-6AC14. Secure reliable motor control solutions and keep your operations running efficiently by sourcing from us.

Technical specifications

Rated Operational Current	143 A
Supply Voltage	200-480 V AC (3-phase)
Control Voltage	110-250 V AC
Output	Programmable Analog Output
Terminals	Screw
Protection	IP00
Series	SIRIUS 3RW52
Features	Integrated bypass, current limiting, ramp-up/down, soft torque

Common applications

Pump control

Fan control

Conveyor systems

Compressor startup

General Motor Starting

Compatible systems

Compatible with three-phase AC motors and Siemens control systems.

Also known as

SIRIUS 3RW52 Siemens Soft Starter 3RW52356AC14

Replaces / compatible with

This is a current model in the SIRIUS 3RW52 series. It can replace older soft starters that meet similar voltage and current requirements.

Technical note

Expert tip

The IP00 rating requires this soft starter to be installed within a suitable enclosure to protect it from the environment and prevent accidental contact.

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Frequently asked questions

What are the key features of the Siemens 3RW5235-6AC14 soft starter?

The Siemens 3RW5235-6AC14 SIRIUS soft starter features a 143A rating, 200-480V supply, integrated bypass, programmable analog output, and electronic motor overload protection, providing controlled motor acceleration and deceleration.