DOLS7.5400 Lovato standard dol starter 7.5kw 18a plastic enclosed 400vac

Why Choose the Lovato DOLS7.5400 Direct On-Line Starter?

The Lovato DOLS7.5400 is a robust and reliable direct on-line (DOL) motor starter designed for efficient starting and stopping of three-phase motors in industrial and commercial applications. Manufactured by Lovato Electric, this enclosed starter provides dependable motor control for pumps, compressors, conveyors, fans and machinery systems where straightforward motor starting is required.

Designed with a durable insulated enclosure and high-quality switching components, the DOLS7.5400 offers reliable motor protection and easy integration into electrical installations. Its compact construction allows simple installation inside industrial environments while maintaining excellent operational safety and performance.

With a rated motor power of 7.5 kW, a maximum AC3 current rating of 18 A and a 400 V AC control voltage, the Lovato DOLS7.5400 is suitable for a wide range of three-phase motor applications requiring dependable direct-on-line starting functionality.

Key Advantages

• Reliable direct-on-line motor starter for industrial applications.
• 7.5 kW motor rating suitable for three-phase motors.
• 18 A AC3 operational current capability.
• Heavy-duty Lovato BF series contactor for dependable switching.
• IP65 / IP68 rated insulated enclosure for harsh environments.
• Compact design simplifies panel and machine installation.
• Compatible with RF38 thermal overload relays for motor protection.

Key Features

• Lovato DOLS standard DOL starter series.
• 7.5 kW motor power rating.
• 18 A maximum motor current (AC3).
• 400 V AC control voltage.
• Insulated polycarbonate enclosure construction.
• Integrated start and stop pushbuttons.
• Designed for use with RF38 thermal overload relays.
• Suitable for three-phase industrial motor control systems.

Technical Specifications

• Manufacturer: Lovato Electric
• Series: L-Starter DOLS Series
• Model: DOLS7.5400
• Product type: Direct-on-line motor starter
• Rated motor power: 7.5 kW
• Horsepower rating: 10 HP
• Maximum AC3 current: 18 A
• Control voltage: 400 V AC
• Input phases: 3-phase
• Protection rating: IP65 / IP68 enclosure
• Enclosure material: Insulated polycarbonate
• Operating temperature: -25°C to +60°C
• Mounting type: Surface mounting
• Dimensions (H × W × D): approx. 193 × 88 × 134 mm
• Overload relay compatibility: RF38 series
• Compliance: IEC/EN 60947-1, IEC/EN 60947-4-1

Reliable Three-Phase Motor Starting

Direct-on-line starters provide a simple and effective method of starting three-phase induction motors by applying full line voltage directly to the motor terminals. This makes DOL starters ideal for machinery and equipment where high starting torque and straightforward control are required.

The Lovato DOLS series is widely used throughout industrial automation and building services installations thanks to its robust construction, dependable switching performance and easy installation. When paired with a suitable RF38 overload relay, the starter delivers reliable motor protection against overload conditions.

Typical Applications

• Industrial pumps and water treatment systems.
• Ventilation and extraction fans.
• Compressors and refrigeration equipment.
• Conveyor systems and material handling.
• Agricultural and irrigation equipment.
• General industrial motor control applications.

Trusted by Industrial Engineers Worldwide

Lovato DOL starters are widely trusted by panel builders, maintenance engineers and OEM manufacturers for dependable three-phase motor control and long-term industrial reliability.