Eaton DS7 Soft Starter 480V ac, 55 kW, 3 Phase, IP20

RS Stock No.:: 247-933
Mfr. Part No.:: 134920 DS7-340SX100N0-N
Brand:: Eaton

Eaton DS7 Soft Starter 480V ac, 55 kW, 3 Phase, IP20

Subtotal (1 unit)*

£1,379.53

(exc. VAT)

£1,655.44

(inc. VAT)

FREE delivery for orders over £60.00

Stocked by manufacturer

Ready to ship from 27 May 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£1,379.53

*price indicative

RS Stock No.:: 247-933
Mfr. Part No.:: 134920 DS7-340SX100N0-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
	Power Rating	55kW
	Product Type	Soft Starter
	Number of Phases	3
	IP Rating	IP20
	Maximum Supply Voltage	480V ac
	Overall Length	175mm
	Maximum Operating Temperature	40°C
	Standards/Approvals	CSA Class No.:321106, CSA File No.:2511305, CE IEC/EN 60947-4-2, C-Tick UkrSEPRO, CSA CSA22.2-14, UL File No.:E251034, CSA-C22.2 No 0-M91, GB 14048.6 UL UL 508, CSA-C22.2 No 14-05
	Overall Width	93mm
	Overall Depth	139mm
	Series	DS7

	Select all
	Brand Eaton
	Power Rating 55kW
	Product Type Soft Starter
	Number of Phases 3
	IP Rating IP20
	Maximum Supply Voltage 480V ac
	Overall Length 175mm
	Maximum Operating Temperature 40°C
	Standards/Approvals CSA Class No.:321106, CSA File No.:2511305, CE IEC/EN 60947-4-2, C-Tick UkrSEPRO, CSA CSA22.2-14, UL File No.:E251034, CSA-C22.2 No 0-M91, GB 14048.6 UL UL 508, CSA-C22.2 No 14-05
	Overall Width 93mm
	Overall Depth 139mm
	Series DS7

RoHS Status: Exempt

COO (Country of Origin):: GB

Eaton Soft Starter, 55kW Power Rating, 100A Current Rating - 134920 DS7-340SX100N0-N

This soft starter is designed for three-phase motor control applications. With a power rating of 55kW and a current rating of 100 A, it provides reliable starting and stopping of industrial motors. The device operates within a voltage range of 200-480 V AC and is IP20 rated, ensuring adequate protection for internal components. Compact dimensions of 139mm x 93mm x 139mm make it suitable for various installations.

Features & Benefits

• Internal bypass function reduces energy losses during operation
• Suppresses DC components to enhance motor performance
• Rapid soft start operation improves system responsiveness
• Provides potential isolation between power and control circuits
• Complies with CSA and UL standards for enhanced safety
• Designed to handle ambient temperatures from -5°C to 60°C

Applications

• Used in conveyor systems for smooth acceleration
• Ideal for pumping requiring gentle starts
• Utilised in HVAC systems for gradual motor engagement
• Designed for operation in demanding industrial environments

How does the internal bypass function enhance energy efficiency?

The internal bypass function minimises energy losses during normal operation, ensuring that the device only consumes power when necessary. This efficiency leads to lower overall energy costs in industrial applications.

What are the operational temperature limits for this device?

The soft starter can operate in ambient temperatures ranging from -5°C to 60°C, making it versatile for various environmental conditions.

How does this device provide isolation between power and control sections?

It features specially designed internal structures that separate power and control circuits, enhancing safety and reducing the risk of electrical faults that may arise from component interaction.

What types of motors can this soft starter control?

It is suitable for three-phase asynchronous motors, ensuring reliable starting and stopping in various industrial applications.

Can this soft starter be used in high-altitude installations?

Yes, it is capable of functioning at altitudes up to 2000 m with a derating of 1% per 100 m above 1000 m, making it suitable for high-altitude applications.