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Siemens 3RW5546-6HA04 SIRIUS Soft Starter - 200-480V, 370A

Siemens SIRIUS soft starter: 200-480V, 370A, 24V AC/DC coil, screw terminals.

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ManufacturerSiemens

Part number3RW5546-6HA04

Voltage 200-480V AC

Current 370A

Control Voltage 24V AC/DC

Terminals Screw

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12-month warranty

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Veteran-owned

CAGE: 9NK75

High starting current capability Soft start and stop Reduced mechanical stress Integrated bypass 24V AC/DC coil Screw terminal connections

Product description

The Siemens 3RW5546-6HA04 is a robust SIRIUS soft starter engineered for demanding industrial applications requiring high starting currents. It supports a voltage range of 200-480V and is rated for currents up to 370A. This unit features a 24V AC/DC control voltage and screw terminals for straightforward installation.

This soft starter is designed for applications such as large pumps, fans, and compressors where smooth ramp-up and reduced electrical stress are critical. It effectively minimizes mechanical shock and wear on connected equipment, contributing to increased uptime and reduced maintenance costs in various industrial sectors.

Stanlo Automation, a veteran-owned supplier, specializes in providing quality surplus industrial automation parts, including this Siemens soft starter. We are dedicated to offering cost-effective solutions and dependable service to meet your operational needs.

Technical specifications

Voltage	200-480V AC
Current	370A
Control Voltage	24V AC/DC
Terminals	Screw
Series	SIRIUS 3RW55

Common applications

Large pump systems

Industrial fans

Heavy-duty compressors

Conveyor systems

Material handling equipment

Manufacturing automation

Compatible systems

Siemens SIRIUS motor control system

Also known as

Siemens 3RW5546 soft starter SIRIUS 3RW55 high current starter 370A soft starter Siemens

Replaces / compatible with

Designed as a modern replacement for traditional direct-on-line starters, offering improved motor protection and system efficiency. Compatible with Siemens SIRIUS motor control accessories.

Technical note

Expert tip

Utilizing the soft-stop function is crucial for applications involving pumps or fans to prevent water hammer or system shock during deceleration.

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Frequently asked questions

Can the Siemens 3RW5546-6HA04 soft starter be used with DC control voltage?

Yes, the Siemens 3RW5546-6HA04 soft starter is designed to operate with a 24V AC/DC control voltage, offering flexibility in integration with different control systems and power sources.