Eaton DS7 Soft Starter 480V ac, 45 kW, 3 Phase, IP20

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£1,294.32

(exc. VAT)

£1,553.18

(inc. VAT)

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RS Stock No.:
247-935
Mfr. Part No.:
134937 DS7-342SX081N0-N
Brand:
Eaton
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Brand

Eaton

Product Type

Soft Starter

Power Rating

45kW

Number of Phases

3

IP Rating

IP20

Maximum Supply Voltage

480V ac

Overall Length

139mm

Maximum Operating Temperature

40°C

Standards/Approvals

CSA-C22.2 No 0-M91, UL 508, CE, CSA UkrSEPRO, CSA-C22.2 No 14-05, UL E251034, UL, CSA 2511305, IEC/EN 60947-4-2, C-Tick, CSA Class No.:321106, CSA22.2-14, GB 14048.6

Overall Width

175mm

Overall Depth

93mm

Series

DS7

RoHS Status: Exempt

COO (Country of Origin):
GB

Eaton Soft Starter, 45 kW Power Rating, 81A Current Rating - 134937 DS7-342SX081N0-N


This soft starter, designed for three-phase motor applications, provides seamless motor control and energy efficiency. With an impressive power rating of 45kW and a current rating of 81 A, it operates within a voltage range of 200 to 480 V AC. The Compact design features dimensions of 139mm in length, 93mm in width, and a depth of 139mm, ensuring ease of installation in various settings. CSA and UL certified, it meets international safety standards for industrial environments.

Features & Benefits


• Internal bypass contacts allow for efficient operation
• Minimum ramp time of 1 second ensures quick acceleration
• Integrated potential isolation improves safety during operation
• Suppresses closing transients to protect connected equipment
• Designed for three-phase soft starting, reducing mechanical stress
• Compact frame size FS3 enhances installation flexibility

Applications


• Suitable for soft starting of asynchronous motors in industrial settings
• Used with HVAC systems to manage motor torque and energy use
• Ideal for pumps, conveyors, and other machinery requiring gradual start-up
• Supports in harsh environments with IP20 protection rating

How does this soft starter enhance operational safety?


The design features potential isolation between power and control sections, ensuring enhanced safety during operation. This internal mechanism reduces the risk of electrical shocks, making it suitable for demanding industrial applications.

What is the significance of the internal bypass feature?


The internal bypass feature allows the soft starter to operate without additional external devices, optimising energy consumption. This helps maintain efficiency while reducing system complexity and potential points of failure.

How does the ramp time affect motor performance?


A minimum ramp time of 1 second allows for Rapid motor acceleration, which mitigates mechanical stress and extends the lifespan of both the motor and connected load. This is critical in applications where sudden starts could lead to damage.

What environmental conditions can this soft starter withstand?


Designed for operation in temperatures ranging from -5°C to 60°C and compliant with various environmental standards, this soft starter can function reliably in a range of industrial settings, including those with humidity and vibration challenges.

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