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Siemens SIRIUS 3RW55 Soft Starter - 480V, 77A

Siemens SIRIUS 3RW55 Soft Starter, 200-480V, 77A

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ManufacturerSiemens

Part number3RW5526-1HA14

Part Number 3RW5526-1HA14

Manufacturer Siemens

Product Line SIRIUS 3RW55

Type Soft Starter

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Smooth motor starting Reduced inrush current Integrated motor protection 200-480V AC motor voltage 110-250V AC control voltage Screw terminals for easy wiring

Product description

The Siemens SIRIUS 3RW55 Soft Starter, model 3RW5526-1HA14, is designed for smooth and controlled starting of three-phase motors. It operates within a voltage range of 200-480 V AC and has a rated current of 77 A. The control voltage for the coil is 110-250 V AC, and it features convenient screw terminals for electrical connections.

This soft starter is part of the advanced SIRIUS 3RW55 series, offering features for reliable motor control and protection. It provides a gradual ramp-up of motor speed, reducing mechanical stress on machinery and electrical inrush current, thereby extending equipment life and improving system efficiency.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 3RW5526-1HA14. We are your go-to source for quality surplus components, helping you save costs while ensuring the performance of your industrial systems. Trust Stanlo Automation for your Siemens soft starter needs.

Technical specifications

Part Number	3RW5526-1HA14
Manufacturer	Siemens
Product Line	SIRIUS 3RW55
Type	Soft Starter
Motor Voltage	200-480 V AC
Rated Current	77 A
Control Voltage	110-250 V AC
Terminals	Screw terminals

Common applications

Motor Control

Conveyor Systems

Pumps

Fans

Compressors

Industrial Machinery

Compatible systems

Three-phase AC Motors Industrial Control Panels Motor Control Centers

Also known as

Siemens 3RW55 Soft Starter 77 Amp Soft Starter SIRIUS Motor Starter

Replaces / compatible with

This soft starter replaces direct-on-line starters for applications requiring smoother motor acceleration and reduced electrical stress.

Technical note

Expert tip

Proper heat sinking and adequate ventilation are crucial for the longevity and performance of this soft starter, especially when operating at or near its rated current.

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Frequently asked questions

What is the control voltage range for the Siemens 3RW5526-1HA14 soft starter?

The Siemens SIRIUS 3RW55 Soft Starter model 3RW5526-1HA14 has a control voltage range of 110-250 V AC. This allows for flexible integration into various control system power configurations.