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High Performance Soft Starters

High Performance Soft Starters are advanced motor control devices designed to reduce inrush current and mechanical stress during motor startup by gradually increasing voltage and current. These solid-state controllers, often referred to as motor soft starters or reduced voltage starters, are available in various frame sizes with rated currents f...

High Performance Soft Starters are advanced motor control devices designed to reduce inrush current and mechanical stress during motor startup by gradually increasing voltage and current. These solid-state controllers, often referred to as motor soft starters or reduced voltage starters, are available in various frame sizes with rated currents from 10A to over 1000A, supporting three-phase motors (3P) at voltages up to 690V AC. Key technical parameters include adjustable ramp times, current limiting settings, and built-in bypass contactors for energy efficiency. They feature multiple starting modes such as soft start, soft stop, and kick-start, with protection functions like overload, phase loss, and over-temperature monitoring. The units are typically panel-mounted with IP20 or IP54 enclosures, and include communication interfaces like Modbus RTU or Profibus for integration into automation networks.

These soft starters are deployed across a wide range of industrial sectors including water and wastewater treatment, HVAC, mining, oil and gas, and manufacturing. They are ideal for applications requiring controlled acceleration of pumps, fans, compressors, conveyors, and crushers. In water treatment plants, they prevent water hammer by gradually ramping up pump motors. In mining, they reduce mechanical shock on belt conveyors and crushers. They are also used in HVAC systems for chillers and air handlers, and in industrial automation for mixers and extruders. The devices are typically installed in motor control centers (MCCs) or standalone enclosures, and can be integrated with PLCs and SCADA systems for remote monitoring and control.

Our category includes a comprehensive range of high performance soft starters from leading manufacturers. Key subcategories include standard soft starters for general applications, heavy-duty soft starters for demanding loads, and built-in bypass soft starters for energy savings. Main article codes follow patterns like EA46-XXX-YYY, where XXX denotes the rated current (e.g., 030 for 30A, 100 for 100A) and YYY indicates the voltage class (e.g., 400 for 400V, 690 for 690V). Specific models include the EA46-030-400 for 30A/400V applications, EA46-100-690 for 100A/690V heavy-duty use, and EA46-200-400 with built-in bypass for high-efficiency systems. These codes are standardized across our inventory for easy identification and ordering.

Partnering with Electric Automation Network ensures access to genuine high performance soft starters with real-time pricing and global express shipping. Our engineering team provides personalized technical support for selection, sizing, and integration, including assistance with parameter configuration and communication setup. Each product includes detailed technical documentation with wiring diagrams, installation manuals, and compliance certificates (CE, UL, CCC). We offer competitive pricing for bulk orders and expedited delivery to minimize downtime. Whether you need a standard unit for a pump station or a customized solution for a mining conveyor, we deliver the right product with expert guidance.

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Manufacturer Code Reference Catalog Number Description Delivery Price

127669

EML33

Y7-127669

Terminal block for S801+ and S811+ soft starters

EML33

Eaton EML Terminal block, 4 x 2/0-300 MCM, 4 x 70-150 mm², For use with: S801+, S811+, frame size V

2 View Availability View Price

169870

S811+U42N3S

S811PLUSU42N3S

Soft starter, 420 A, 200 - 600 V AC, Us= 24 V DC, Frame size U

Soft starter, 420 A, 200 - 600 V AC, Us= 24 V DC, with control unit, Frame size U

3 View Availability View Price

169873

S811+U42P3S

Y7-169873

Soft starter, 3p, 420A, Eu= 200-600VAC

S811+U42P3S

Eaton S811 Soft starter, 420 A, 200 - 600 V AC, Us= 24 V DC, with control unit and pump algorithm, Frame size U

2 View Availability View Price

169872

S811+U36P3S

Y7-169872

Soft starter, 361 A, 200 - 600 V AC, Us= 24 V DC, with control unit and pump algorithm, Frame size U

S811+U36P3S

Eaton S811 Soft starter, 361 A, 200 - 600 V AC, Us= 24 V DC, with control unit and pump algorithm, Frame size U

2 View Availability View Price

144553

EML51A

-

No Description

3 View Availability View Price

144552

EML50

-

No Description

3 View Availability View Price

144551

EML40

-

No Description

3 View Availability View Price

144557

EMA69A

Y7-144557

Mounting Kit door for keyboard; With cable 1m; For S811+

EMA69A

Eaton EMA DIN cable, 1m

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144556

EMA68

Y7-144556

Cover for keyboard S811+

EMA68

Eaton EMA Control panel cover

2 View Availability View Price

144554

EML51B

-

No Description

3 View Availability View Price

144559

EMA69C

Y7-144559

Mounting Kit door for keyboard; wired 2.4 m; For S811+

EMA69C

Eaton EMA DIN cable, 2.4m

3 View Availability View Price

144558

EMA69B

Y7-144558

Mounting Kit door for keyboard; With cable 1.5 m; For S811+

EMA69B

Eaton EMA DIN cable, 1.5m

3 View Availability View Price

168998

S811+V42V3S

Y7-168998

Soft starter, 420 A, 200 - 690 V AC, Us= 24 V DC, with control unit and pump algorithm, for 690-V grids, Frame size V

S811+V42V3S

Eaton S811 Soft starter, 420 A, 200 - 690 V AC, Us= 24 V DC, with control unit and pump algorithm, for 690-V grids, Frame size V

2 View Availability View Price

168992

S811+T30V3S

Y7-168992

Soft starter, 304 A, 200 - 690 V AC, Us= 24 V DC, with control unit and pump algorithm, for 690-V grids, Frame size T

S811+T30V3S

Eaton S811 Soft starter, 304 A, 200 - 690 V AC, Us= 24 V DC, with control unit and pump algorithm, for 690-V grids, Frame size T

3 View Availability View Price

127671

EMS39

Y7-127671

Varistors SMD (MOVs) with connection cables for connection to the NETWORK and to Motor

EMS39

Eaton S811 S8x1+ soft starter, 600 V MOV (all-frames)

3 View Availability View Price

127672

EMS41

Y7-127672

Varistors SMD (MOVs) with connection cables for connection to the NETWORK and to Motor

EMS41

Eaton S811 Soft starters, opt.690 V MOV (T frame)

3 View Availability View Price

144346

EMA71

Y7-144346

Control user interface with status LED

EMA71

Control user interface with status LED

2 View Availability View Price

169869

S811+U36N3S

S811PLUSU36N3S

Soft starter, 361 A, 200 - 600 V AC, Us= 24 V DC, Frame size U

Soft starter, 361 A, 200 - 600 V AC, Us= 24 V DC, with control unit, Frame size U

3 View Availability View Price

171991

SS-IP20-R

Y7-171991

Accessory of protection of terminals; For S811+; Size R

SS-IP20-R

Eaton SS IP20 S8x1+ R-Frame kit

2 View Availability View Price

171990

SS-IP20-N

Y7-171990

Accessory of protection of terminals; For S811+; Size N

SS-IP20-N

Eaton SS IP20 S8x1+ N-Frame kit

2 View Availability View Price

144548

EMM13U

-

No Description

3 View Availability View Price

144570

EMA91

Y7-144570

S8x1+ soft starter, DIM

EMA91

Eaton EMA S8x1+ soft starter, DIM

3 View Availability View Price

127661

EML22

Y7-127661

Terminal block for S801+ and S811+ soft starters

EML22

Eaton EML Terminal block, 2 x 4-1/0MCM, 2 x 25-50 mm², For use with: S801+, S811+, frame sizes T and U

2 View Availability View Price

127662

EML23

Y7-127662

Terminal block for S801+ and S811+ soft starters

EML23

Eaton EML Terminal block, 4/0-500 MCM, 120-240 mm², For use with: S801+, S811+, frame sizes T and U

2 View Availability View Price

127663

EML24

Y7-127663

Terminal block for S801+ and S811+ soft starters

EML24

Eaton EML Terminal block, 2 x 4/0-500 MCM, 2 x 120-240 mm², For use with: S801+, S811+, frame sizes T and U

3 View Availability View Price

127664

EML25

Y7-127664

Terminal block for S801+ and S811+ soft starters

EML25

Eaton EML Terminal block, 1 x 2/0-300 MCM, 1 x 70-150 mm², For use with: S801+, S811+, frame sizes T and U

2 View Availability View Price

127665

EML26

Y7-127665

Terminal block for S801+ and S811+ soft starters

EML26

Eaton EML Terminal block, 2 x 2/0-300 MCM, 2 x 70-150 mm², For use with: S801+, S811+, frame sizes T and U

2 View Availability View Price

127666

EML28

Y7-127666

Terminal block for S801+ and S811+ soft starters

EML28

Eaton EML Terminal block, 2 x 4/0-500 MCM, 2 x 120-240 mm², For use with: S801+, S811+, frame size V

2 View Availability View Price

127667

EML30

Y7-127667

Terminal block for S801+ and S811+ soft starters

EML30

Eaton EML Terminal block, 4 x 4/0-500 MCM, 4 x 120-240 mm², For use with: S801+, S811+, frame size V

2 View Availability View Price

127668

EML32

Y7-127668

Terminal block for S801+ and S811+ soft starters

EML32

Eaton EML Terminal block, 6 x 4/0-500 MCM, 6 x 120-240 mm², For use with: S801+, S811+, frame size V

2 View Availability View Price

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