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Siemens SIRIUS 3RW5074-6TB04 Soft Starter

Siemens SIRIUS 3RW50 Soft Starter with Thermistor Input

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ManufacturerSiemens

Part number3RW5074-6TB04

Voltage 200-480V AC

Current 315A

Control Voltage 24V AC/DC

Terminals Screw

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12-month warranty

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Same-day dispatch

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Veteran-owned

CAGE: 9NK75

Thermistor motor protection Low control voltage (24V AC/DC) Smooth start/stop Electronic overload protection Compact design

Product description

The Siemens 3RW5074-6TB04 is a SIRIUS 3RW50 series soft starter, designed for reliable motor control with enhanced protection features. It operates within a voltage range of 200-480V AC and has a current rating of 315A, utilizing screw terminals for connection. Notably, it features a 24V AC/DC control voltage and a thermistor input for motor temperature monitoring.

This soft starter is ideal for applications in environments where precise motor protection is critical, such as in refrigeration units, industrial pumps, and HVAC systems. The thermistor input provides crucial over-temperature protection, preventing potential motor damage and ensuring operational longevity.

Stanlo Automation, a veteran-owned surplus parts distributor, proudly offers the Siemens 3RW5074-6TB04. We provide dependable, cost-effective solutions for your industrial automation needs, ensuring quality and reliability in every purchase.

Technical specifications

Voltage	200-480V AC
Current	315A
Control Voltage	24V AC/DC
Terminals	Screw
Input	Thermistor
Series	3RW50

Common applications

Refrigeration units

Industrial pumps

HVAC systems

Compressors

General motor control

Compatible systems

Ideal for use with control systems that operate on 24V DC or AC power.

Also known as

SIRIUS 3RW5074-6TB04 Siemens 3RW50 Series Soft Starter

Replaces / compatible with

Compatible with Siemens SIRIUS 3RW50 series accessories and control systems.

Technical note

Expert tip

The 24V AC/DC control voltage simplifies integration into systems already utilizing low-voltage control circuits, enhancing safety and compatibility.

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Frequently asked questions

What is the control voltage for the Siemens 3RW5074-6TB04 soft starter?

The Siemens 3RW5074-6TB04 soft starter operates with a low control voltage of 24V AC/DC, which is beneficial for applications requiring reduced voltage control circuits. It also features a thermistor input for motor protection.