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Soft Starters / Starters Static - LOVATO ELECTRIC

Soft starters, also known as static starters or reduced voltage starters, are solid-state devices designed to control the acceleration and deceleration of three-phase induction motors by gradually increasing the applied voltage. Unlike variable frequency drives, soft starters do not regulate speed but limit inrush current and torque during start...

Soft starters, also known as static starters or reduced voltage starters, are solid-state devices designed to control the acceleration and deceleration of three-phase induction motors by gradually increasing the applied voltage. Unlike variable frequency drives, soft starters do not regulate speed but limit inrush current and torque during startup, reducing mechanical stress on the motor and driven load. LOVATO ELECTRIC offers a comprehensive range of soft starters with ratings from 3.5A to 1050A, covering motor powers from 0.75kW to 560kW at 400V AC. Key technical features include adjustable starting and stopping ramps, current limiting, kick-start for high-friction loads, and built-in bypass contactors for energy efficiency. These devices support 3-phase systems with voltages up to 690V AC and include protection functions such as overload, phase loss, and over-temperature monitoring. The series includes models with integrated digital displays for parameter setting and diagnostics, as well as communication options via Modbus RTU for integration into industrial networks.

Soft starters from LOVATO ELECTRIC are primarily deployed in motor control centers (MCCs), industrial automation panels, and pumping stations. They are ideal for applications requiring smooth motor starting to prevent water hammer in pump systems, reduce belt slippage in conveyors, and minimize gear wear in crushers and mills. Common sectors include water and wastewater treatment, HVAC, mining, cement, and material handling. These devices are also used in agricultural irrigation systems and marine applications where controlled starting extends equipment life. The compact design allows for easy installation in standard distribution boards, while the IP20 enclosures suit clean indoor environments.

The LOVATO ELECTRIC soft starter range is organized into several subcategories based on current rating and features. The SM1 series covers lower currents from 3.5A to 32A for small motors, while the SM2 series handles 30A to 1050A for larger industrial drives. The SM3 series offers advanced functionality with built-in bypass and extended communication capabilities. Article codes follow a pattern like SM1-0035 for a 3.5A unit, SM2-0030 for 30A, and SM3-0100 for 100A. Each model includes variants for different supply voltages (230V or 400V control) and optional accessories such as remote keypads and network adapters. The range also includes standalone bypass contactors and thermal overload relays for complete motor starting solutions.

Partnering with Electric Automation Network ensures access to genuine LOVATO ELECTRIC soft starters with real-time pricing and stock availability. Our engineering team provides technical support for selection, parameterization, and troubleshooting, including assistance with Modbus configuration and motor data setup. We offer express worldwide shipping from our global logistics hubs, minimizing downtime for critical installations. Each product includes detailed technical documentation, wiring diagrams, and application notes to facilitate integration. Whether you need a standard unit for a pump station or a customized solution for a complex automation system, we deliver the expertise and reliability required for industrial motor control.

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Manufacturer Code Reference Catalog Number Description Delivery Price

EXCRDU1

EXCRDU1

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REMOTE DISPLAY UNIT, GRAPHIC LCD, TOUCH SCREEN, 128X112 PIXELS, IP65 PROTECTION, COMPLETE WITH 3M CABLE LONG

REMOTE KEYPAD DISPLAY

Remote display unit, graphic LCD, touch-screen, 128x112 pixels, IP65 protection, complete with 3m cable long

 		3 View Availability View Price

ADX0017B

51ADX0017B

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SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 17A

ADX static starter. B with built-in by-pass (Severe Applications, starting current = 5Ie) 17A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). With integrated by-pass contactor, 17A

 		3 View Availability View Price

ADX0022BP

51ADX0022BP

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SOFT STARTER, ADX TYPE, FOR STANDARD DUTY (STARTING CURRENT 3.5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 22A

Soft starter, ADX... type, for standard duty (starting current 3.5•Ie). With integrated by-pass contactor, 22A

 		3 View Availability View Price

ADX0030B

51ADX0030B

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SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 30A

ADX static starter. B with built-in by-pass (Severe Applications, starting current = 5Ie) 30A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). With integrated by-pass contactor, 30A

 		3 View Availability View Price

ADX0034BP

51ADX0034BP

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SOFT STARTER, ADX TYPE, FOR STANDARD DUTY (STARTING CURRENT 3.5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 34A

Soft starter, ADX... type, for standard duty (starting current 3.5•Ie). With integrated by-pass contactor, 34A

 		3 View Availability View Price

ADX0045B

51ADX0045B

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SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 45A

ADX static starter. B with built-in by-pass (Severe Applications, starting current = 5Ie) 45A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). With integrated by-pass contactor, 45A

 		3 View Availability View Price

ADX0048BP

51ADX0048BP

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SOFT STARTER, ADX TYPE, FOR STANDARD DUTY (STARTING CURRENT 3.5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 48A

Soft starter, ADX... type, for standard duty (starting current 3.5•Ie). With integrated by-pass contactor, 48A

 		3 View Availability View Price

ADX0058BP

51ADX0058BP

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SOFT STARTER, ADX TYPE, FOR STANDARD DUTY (STARTING CURRENT 3.5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 58A

Soft starter, ADX... type, for standard duty (starting current 3.5•Ie). With integrated by-pass contactor, 58A

 		3 View Availability View Price

ADX0060B

51ADX0060B

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SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 60A

ADX static starter. B with built-in by-pass (Severe Applications, starting current = 5Ie) 60A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). With integrated by-pass contactor, 60A

 		3 View Availability View Price

ADX0068BP

51ADX0068BP

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SOFT STARTER, ADX TYPE, FOR STANDARD DUTY (STARTING CURRENT 3.5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 68A

Soft starter, ADX... type, for standard duty (starting current 3.5•Ie). With integrated by-pass contactor, 68A

 		3 View Availability View Price

ADX0075B

51ADX0075B

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SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 75A

ADX static starter. B with built-in by-pass (Severe Applications, starting current = 5Ie) 75A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). With integrated by-pass contactor, 75A

 		3 View Availability View Price

ADX0082BP

51ADX0082BP

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SOFT STARTER, ADX TYPE, FOR STANDARD DUTY (STARTING CURRENT 3.5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 82A

Soft starter, ADX... type, for standard duty (starting current 3.5•Ie). With integrated by-pass contactor, 82A

 		3 View Availability View Price

ADX0085B

51ADX0085B

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SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 85A

ADX static starter. B with built-in by-pass (Severe Applications, starting current = 5Ie) 85A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). With integrated by-pass contactor, 85A

 		3 View Availability View Price

ADX0092BP

51ADX0092BP

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SOFT STARTER, ADX TYPE, FOR STANDARD DUTY (STARTING CURRENT 3.5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 92A

Soft starter, ADX... type, for standard duty (starting current 3.5•Ie). With integrated by-pass contactor, 92A

 		3 View Availability View Price

ADX0110B

51ADX0110B

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SOFT STARTER ADX0110B

ADX static starter. B with built-in by-pass (Severe Applications, starting current = 5Ie) 110A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). With integrated by-pass contactor, 110A

 		3 View Availability View Price

ADX0114BP

51ADX0114BP

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SOFT STARTER, ADX TYPE, FOR STANDARD DUTY (STARTING CURRENT 3.5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 114A

Soft starter, ADX... type, for standard duty (starting current 3.5•Ie). With integrated by-pass contactor, 114A

 		3 View Availability View Price

ADX0125B

51ADX0125B

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SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 125A

ADX static starter. B with built-in by-pass (Severe Applications, starting current = 5Ie) 125A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). With integrated by-pass contactor, 125A

 		3 View Availability View Price

ADX0126BP

51ADX0126BP

-

SOFT STARTER, ADX TYPE, FOR STANDARD DUTY (STARTING CURRENT 3.5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 126A

Soft starter, ADX... type, for standard duty (starting current 3.5•Ie). With integrated by-pass contactor, 126A

 		3 View Availability View Price

ADX0142B

51ADX0142B

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SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 142A

ADX static starter. B with built-in by-pass (Severe Applications, starting current = 5Ie) 142A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). With integrated by-pass contactor, 142A

 		3 View Availability View Price

ADX0150BP

51ADX0150BP

-

SOFT STARTER, ADX TYPE, FOR STANDARD DUTY (STARTING CURRENT 3.5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 150A

Soft starter, ADX... type, for standard duty (starting current 3.5•Ie). With integrated by-pass contactor, 150A

 		3 View Availability View Price

ADX0190B

51ADX0190B

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SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 190A

ADX static starter. B with built-in by-pass (Severe Applications, starting current = 5Ie) 190A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). With integrated by-pass contactor, 190A

 		3 View Availability View Price

ADX0196BP

51ADX0196BP

-

SOFT STARTER, ADX TYPE, FOR STANDARD DUTY (STARTING CURRENT 3.5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 196A

Soft starter, ADX... type, for standard duty (starting current 3.5•Ie). With integrated by-pass contactor, 196A

 		3 View Availability View Price

ADX0231BP

51ADX0231BP

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SOFT STARTER, ADX TYPE, FOR STANDARD DUTY (STARTING CURRENT 3.5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 231A

Soft starter, ADX... type, for standard duty (starting current 3.5•Ie). With integrated by-pass contactor, 231A

 		3 View Availability View Price

ADX0245B

51ADX0245B

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SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). WITH INTEGRATED BY-PASS CONTACTOR, 245A

ADX static starter. B with built-in by-pass (Severe Applications, starting current = 5Ie) 245A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). With integrated by-pass contactor, 245A

 		3 View Availability View Price

ADX0310

51ADX0310

-

SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). PREDISPOSED FOR EXTERNAL BY-PASS CONTACTOR, 310A

Start. 310A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). Predisposed for external by-pass contactor, 310A

 		3 View Availability View Price

ADX0365

51ADX0365

-

SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). PREDISPOSED FOR EXTERNAL BY-PASS CONTACTOR, 365A

Start. 365A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). Predisposed for external by-pass contactor, 365A

 		3 View Availability View Price

ADX0470

51ADX0470

-

SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). PREDISPOSED FOR EXTERNAL BY-PASS CONTACTOR, 470A

Start. 470A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). Predisposed for external by-pass contactor, 470A

 		3 View Availability View Price

ADX0568

51ADX0568

-

SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). PREDISPOSED FOR EXTERNAL BY-PASS CONTACTOR, 568A

Start. State 568A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). Predisposed for external by-pass contactor, 568A

 		3 View Availability View Price

ADX0640

51ADX0640

-

SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). PREDISPOSED FOR EXTERNAL BY-PASS CONTACTOR, 640A

Start. 640A state

Soft starter, ADX... type, for severe duty (starting current 5•Ie). Predisposed for external by-pass contactor, 640A

 		3 View Availability View Price

ADX0820

51ADX0820

-

SOFT STARTER, ADX TYPE, FOR SEVERE DUTY (STARTING CURRENT 5•IE). PREDISPOSED FOR EXTERNAL BY-PASS CONTACTOR, 820A

Start. State 820A

Soft starter, ADX... type, for severe duty (starting current 5•Ie). Predisposed for external by-pass contactor, 820A

 		3 View Availability View Price

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