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Siemens SIRIUS Soft Starter - 16A, 7.5kW, 110-230V

Siemens SIRIUS Soft Starter, Size S0, 16A, 7.5kW, 110-230V UC coil.

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ManufacturerSiemens

Part number3RW3025-1AB14

Manufacturer Siemens

Part Number 3RW3025-1AB14

Series SIRIUS

Size S0

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Soft Motor Start Size S0 Compact Design 16A Rated Current 7.5kW Motor Capacity 110-230V UC Coil Screw Connection SIRIUS System Compatibility

Product description

The Siemens SIRIUS soft starter, part number 3RW3025-1AB14, is a compact device designed to provide smooth acceleration for three-phase motors. This Size S0 starter is rated for 16 Amperes and can control motors up to 7.5 kW at 400V. It features a versatile UC (Universal Current) control voltage range of 110-230V AC/DC and utilizes reliable screw connections for easy wiring.

This soft starter is ideal for applications where minimizing mechanical stress on machinery and reducing electrical inrush current during motor start-up is crucial. It finds use in pumps, fans, conveyor systems, and other industrial equipment where soft starting improves operational efficiency and extends component lifespan.

Stanlo Automation, your veteran-owned source for surplus industrial automation parts, offers the Siemens SIRIUS Soft Starter (3RW3025-1AB14). Acquire essential components like this soft starter to ensure your machinery operates smoothly and efficiently.

Technical specifications

Manufacturer	Siemens
Part Number	3RW3025-1AB14
Series	SIRIUS
Size	S0
Rated Current	16 A
Max Motor Power	7.5 kW (at 400 V)
Control Voltage	110-230 V AC/DC (UC)
Connection Type	Screw Terminal
Application	Soft Starter

Common applications

Pump Control

Fan Control

Conveyor Systems

Compressors

Machine Tools

Industrial Automation

Motor Soft Starting

Compatible systems

3-Phase AC Motors up to 7.5 kW Siemens S7 PLCs (via digital outputs)

Also known as

Siemens SIRIUS 3RW30 16A Soft Starter Siemens Motor Starter 7.5kW

Replaces / compatible with

This soft starter is designed to provide smooth start-up for motors, often replacing direct-on-line starters to reduce mechanical shock and electrical stress.

Technical note

Expert tip

When using the 110-230V UC control voltage, ensure the supply is correctly connected to the designated terminals to prevent damage to the starter.

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Frequently asked questions

What is the control voltage range for the Siemens 3RW3025-1AB14 SIRIUS soft starter?

The Siemens SIRIUS soft starter (3RW3025-1AB14) operates with a universal current (UC) control voltage, meaning it accepts a range of 110-230V AC or DC. This provides flexibility in power supply options.