Better World

Siemens SIRIUS 3RW Soft Starter, , 18.5 kW, 480 V ac, 3 Phase

Subtotal (1 unit)*

£1,674.08

(exc. VAT)

£2,008.90

(inc. VAT)

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  • Shipping from 17 November 2025
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1 +£1,674.08

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Better World

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RS Stock No.:
202-1690
Mfr. Part No.:
3RW5525-1HA14
Brand:
Siemens
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Brand

Siemens

Power Rating

18.5 kW

Motor Starter Type

Soft Start

Range

SIRIUS 3RW

Voltage Rating

480 V ac

Phase

3

Current Rating

63 A

IP Rating

IP00

Overall Length

306mm

Enclosure

No

Overall Width

185mm

Series

3RW55

Better World Product

Yes

Overall Depth

203mm

Better World Claim

Concentrated or compact solution, Saves energy

Hazardous Area Certification

ATEX, IECEx

Standards Met

CSA Certified, UL Listed

COO (Country of Origin):
CZ

Siemens Soft Starter, Multifunctional, 0 to 360s Start-Up Ramp and Stopping Time - SIRIUS Series - 3RW5525-1HA14


For controlled activation of your electric motor, opt for this soft starter from Siemens. It's a versatile component that handles multiple operation, configuration and protection functions, from ramp-up and ramp-down to DC braking and error logging. By stepping the voltage supply up and down, it regulates the starting and stopping of the machinery to prevent damage and wear. It also adjusts the current feed, keeping it to a specific limit to protect the motor from overheating and mechanical stress. You can use this device to manage your HVAC system and conveyor machine. A start-up ramp and stopping time of 0 to 360 seconds gives you plenty of flexibility when adjusting its timing to suit your equipment.

Features & Benefits


• Integrated auto, manual and remote reset for versatile configuration
• Front-facing display for convenient status monitoring
• Resists shock and vibration in heavy-duty settings
• 63A current rating for safe operation with demanding systems

Does this soft starter have communication capacity?


Yes, this soft starter has an integrated communication function. It supports PROFINET, Ethernet/IP, MODBUS and PROFIBUS protocols, enabling easy integration with your industrial control system.

What protective features does the unit have?


It comes with built-in overload protection to help prevent damage from excess current supply.

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