Eaton DS7 Soft Starter 400V ac, 55 kW, 3 Phase, IP20

RS Stock No.:: 847-3973
Mfr. Part No.:: 134939 DS7-342SX135N0-N
Brand:: Eaton

Eaton DS7 Soft Starter 400V ac, 55 kW, 3 Phase, IP20

Subtotal (1 unit)*

£1,383.88

(exc. VAT)

£1,660.66

(inc. VAT)

FREE delivery for orders over £60.00

Stocked by manufacturer

Ready to ship from 06 July 2026

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Units	Per unit
1 +	£1,383.88

*price indicative

RS Stock No.:: 847-3973
Mfr. Part No.:: 134939 DS7-342SX135N0-N
Brand:: Eaton

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Eaton
	Product Type	Soft Starter
	Power Rating	55kW
	Number of Phases	3
	IP Rating	IP20
	Maximum Supply Voltage	400V ac
	Overall Length	108mm
	Standards/Approvals	CSA Class No.:321106, UL Approved, CSA Std. C22.2 No. 14-05, CSA22 2-14, CSA Std. C22.2 No. 0-M91, CE Approved, IEC 60947-4-2, C-Tick Approved/UL 508, CSA Approved, EN 60947-4-2, GB 14048.6
	Overall Width	215mm
	Series	DS7
	Overall Depth	195mm

	Select all
	Brand Eaton
	Product Type Soft Starter
	Power Rating 55kW
	Number of Phases 3
	IP Rating IP20
	Maximum Supply Voltage 400V ac
	Overall Length 108mm
	Standards/Approvals CSA Class No.:321106, UL Approved, CSA Std. C22.2 No. 14-05, CSA22 2-14, CSA Std. C22.2 No. 0-M91, CE Approved, IEC 60947-4-2, C-Tick Approved/UL 508, CSA Approved, EN 60947-4-2, GB 14048.6
	Overall Width 215mm
	Series DS7
	Overall Depth 195mm

Eaton Soft Starter, 75kW Power Rating, 135A Current Rating - 134939 DS7-342SX135N0-N

This soft starter is designed to manage three-phase loads with a power rating of 75kW, operating at a voltage of 480V. Featuring a Compact design with dimensions of 178mm x 108mm x 178mm, it provides effective soft start functionality. The product ensures smooth motor operation while meeting key safety standards, making it suitable for various industrial applications.

Features & Benefits

• Integrates soft start technology to reduce inrush current
• Supports 3-phase connections for versatile applications
• IP20 rating ensures suitability for indoor environments
• Rated current of 135A handles substantial motor loads
• Certifications include CSA and UL for compliance assurance
• Operates effectively in ambient temperatures between -5°C and +40°C

Applications

• Utilised in industrial machinery requiring motor control
• Ideal for needing controlled start-up for large motors
• Effective in HVAC systems for smooth compressor operation
• Suitable for conveyor systems where gradual acceleration is beneficial

What current rating does this device possess, and how does it affect motor operation?

It has a rated current of 135A, enabling it to effectively manage larger motors by controlling their starting behaviour, thus minimising mechanical stress and extending their lifespan.

Can this device function in varying environmental conditions?

Yes, it can operate reliably in temperatures ranging from -5°C to +40°C, with derating occurring above 60°C to ensure safe performance.

What type of protection does this device offer?

The IP20 rating provides protection against accidental contact with internal parts, making it suitable for protected indoor installations where dust exposure is minimal.

Note

Eaton formerly known as Moeller