Siemens SIRIUS 3RW4426-1BC34 Soft Starter - 68A @ 460V

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ManufacturerSiemens

Part number3RW4426-1BC34

Standard Rating (460V, 50°C) 68A, 50hp

Inside-Delta Rating (460V, 50°C) 118A, 75hp

Voltage 200-460V AC

Terminals Screw

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Controlled Motor Starting Reduced Mechanical Stress Reduced Electrical Stress Screw Terminal Connections Soft Acceleration/Deceleration

Product description

The Siemens SIRIUS 3RW4426-1BC34 is a soft starter designed for smooth acceleration and deceleration of three-phase motors. It offers standard ratings of 68A at 460V (50hp) and 118A (inside-delta) at 460V (75hp). The device operates with an input voltage range of 200-460V AC and features screw terminals for easy connection. Please note, this is a phased-out product with a preferred successor, the SIRIUS 3RW5526-1HA14.

SIRIUS soft starters are crucial components in applications requiring controlled motor starting to reduce mechanical stress on machinery and electrical stress on the power supply. They are commonly used in conveyor systems, pumps, fans, compressors, and other industrial machinery where soft starting capabilities are beneficial.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RW4426-1BC34. While this is a phased-out model, we provide a reliable source for such components. Secure your needed parts and explore potential successors through Stanlo Automation.

Technical specifications

Standard Rating (460V, 50°C)	68A, 50hp
Inside-Delta Rating (460V, 50°C)	118A, 75hp
Voltage	200-460V AC
Terminals	Screw
Status	Phased-out

Common applications

Conveyor Systems

Pump Control

Fan Control

Compressor Starters

Industrial Machinery

Motor Starting

Compatible systems

Three-phase AC motors.

Also known as

Siemens SIRIUS Soft Starter 3RW44261BC34 Soft Starter 68A

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens SIRIUS 3RW5526-1HA14. Ensure compatibility when replacing.

Technical note

Expert tip

When replacing this phased-out unit, carefully review the specifications of the successor 3RW5526-1HA14 to ensure seamless integration and comparable performance.

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Frequently asked questions

What is the standard current rating for the Siemens 3RW4426-1BC34 SIRIUS soft starter at 460V?

The Siemens 3RW4426-1BC34 SIRIUS soft starter has a standard current rating of 68A at 460V and 50°C, suitable for a 50hp motor.