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Siemens 3 Phase Soft Starter 7.5 kW 400V AC IP20 3RW3018-1BB04

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Siemens 3 Phase Soft Starter 7.5 kW 400V AC IP20 3RW3018-1BB04

Name: Siemens 3 Phase Soft Starter 7.5 kW 400V AC IP20 3RW3018-1BB04
Brand: Siemens
SKU: 129509
Price: 489.18 USD
Availability: InStock

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Category Soft Starter Brand Siemens Condition New

Specifications

Country of Origin	Czech Republic
Brand	Siemens
Model	3RW3018-1BB04
IP Rating	IP20
Mount Type	Snap-On, Screw
Overall Length	151mm
Series	3RW30
Overall Width	45mm
Power Rating	7.5kW
Number of Phases	3
Standards/Approvals	CCC Certified, CE Certified, CSA Certified, EAC Certified, UL Listed
Maximum Supply Voltage	400V ac
Overall Depth	95mm
Better World Claim	Concentrated or Compact Solution, Saves Energy

Key Features

Designed for 3 phase motor control and soft start of AC motors.
Mountable via snap-on and screw mounting for flexible installation.
Compact 3RW30 series with dimensions 151mm length, 45mm width, and 95mm depth.
Incorporates 'self-hold' and 'end of start-up' auxiliary contacts for interlocking and control circuits.
Provides status indication and is suitable for DIN rail mounting with touch-safe IP20 rating.
Operational start-up voltage adjustable from 40% to 100% of working voltage.
Energy saving compact solution under the Better World initiative.
Ideal replacement for DOL and Star-Delta motor starters to reduce inrush current damage.

Product Description

Siemens 3RW3018-1BB04 is a 3 phase Soft Starter designed for industrial and commercial AC motor applications requiring smooth motor starting with reduced current surges and mechanical stress. It features a power rating of 7.5 kW and operates at a maximum supply voltage of 400V AC with an IP20 ingress protection rating, ensuring touch-safe and dust-resistant operation.

The device is part of the Siemens 3RW30 series engineered for easy integration into motor control systems and DIN rail mounting. The compact dimensions of 151mm length, 45mm width, and 95mm depth allow for space-saving installations in control cabinets. Snap-on and screw mounting options enhance installation flexibility.

The soft starter incorporates integrated 'self-hold' and 'end of start-up' auxiliary contacts to control interlocking circuits and auxiliary equipment such as pumps. Status indication is included to alert operators to device failure or bypass conditions. The start-up voltage is adjustable between 40% and 100% of the nominal working voltage, providing operational flexibility for various motor start-up requirements.

Certified to standards including CCC, CE, CSA, EAC, and UL, the product supports sustainable and energy-efficient operation under the Better World label, highlighting compactness and energy savings.

3 phase soft starter with 7.5 kW power rating suitable for AC motor control. Adjustable start-up voltage from 40% to 100% of working voltage. Touch-safe IP20 ingress protection with snap-on and screw mounting. Integrated auxiliary contacts for system interlocking and plant control.

Compact design measures 151 mm length x 45 mm width x 95 mm depth. Certified for international standards including CE and UL. Optimized for energy savings and compact installation in motor systems. Ideal for replacing traditional DOL and Star-Delta starters.

This Siemens Soft Starter is applicable in industrial automation, manufacturing plants, HVAC systems, and water treatment facilities where smooth motor start-up is critical. It ensures protection of motor windings and reductions in mechanical wear, extending motor life and improving system reliability.

Explore the Siemens product range for motor starters and automation solutions on EnvMart for optimized electrical control and energy-efficient industrial applications.