dolsw5.5230 Lovato standard dol starter 5.5kw 12a 230V

Why Choose the Lovato DOLSW5.5230 Direct On-Line Starter with Isolator?

The Lovato DOLSW5.5230 is a compact and reliable direct on-line (DOL) motor starter with integrated isolator designed for safe and efficient control of three-phase motors in industrial and commercial applications. Manufactured by Lovato Electric, this enclosed motor starter provides dependable motor switching combined with local isolation functionality for enhanced operational safety and maintenance convenience.

Built for demanding industrial environments, the DOLSW5.5230 features a durable insulated enclosure and high-quality switching components designed for long-term reliability. Its compact construction makes it ideal for machinery installations where space-saving motor control equipment is required without compromising performance.

With a rated motor power of 5.5 kW, a maximum AC3 operational current of 12 A and a 230 V AC control voltage, the Lovato DOLSW5.5230 is suitable for pumps, fans, compressors, conveyors and general industrial machinery applications requiring dependable direct-on-line motor starting.

Key Advantages

• Reliable DOL starter with integrated rotary isolator.
• 5.5 kW motor rating suitable for industrial motor applications.
• 12 A AC3 operational current capability.
• Heavy-duty Lovato BF series contactor for dependable motor switching.
• IP65 / IP68 insulated enclosure suitable for harsh environments.
• Integrated isolator improves maintenance safety and convenience.
• Compatible with RF25 thermal overload relays for motor protection.

Key Features

• Lovato L-Starter DOLSW series.
• 5.5 kW rated motor power.
• 12 A maximum AC3 current.
• 230 V AC control voltage.
• Integrated start/stop controls and rotary isolator.
• Heavy-duty insulated polycarbonate enclosure.
• Designed for use with RF25 overload relays.
• Suitable for three-phase industrial motor control systems.

Technical Specifications

• Manufacturer: Lovato Electric
• Series: L-Starter DOLSW Series
• Model: DOLSW5.5230
• Product type: Direct-on-line starter with isolator
• Rated motor power: 5.5 kW
• Horsepower rating: 7.5 HP
• Maximum AC3 current: 12 A
• Control voltage: 230 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: RF25 series
• Compliance: IEC/EN 60947-1, IEC/EN 60947-4-1

Reliable Industrial Motor Starting and Isolation

Direct-on-line starters provide a simple and effective method of starting three-phase induction motors by applying full supply voltage directly to the motor terminals. This approach is commonly used where reliable motor operation and strong starting torque are required.

The integrated isolator fitted to the Lovato DOLSW5.5230 allows safe local disconnection of the motor supply during servicing and maintenance. When combined with a suitable RF25 thermal overload relay, the starter provides dependable overload protection and long-term operational reliability.

Typical Applications

• Industrial pumps and booster systems.
• Ventilation and extraction equipment.
• Compressors and refrigeration systems.
• Conveyor and material handling systems.
• Water treatment and agricultural installations.
• General industrial machinery and automation systems.

Trusted by Industrial Engineers Worldwide

Lovato enclosed DOL starters are widely trusted by machine builders, panel manufacturers and industrial maintenance engineers for reliable motor starting, safe isolation and long-term industrial performance.