Lovato DOLSW5.5400 direct-on-line motor starter with integrated isolator rated for 5.5 kW three-phase motors with 12 A AC3 current rating and 400 V AC control voltage.
£144.34
The Lovato DOLSW5.5400 is a reliable direct-on-line (DOL) motor starter with integrated rotary isolator designed for the safe starting, stopping and isolation of three-phase induction motors. As part of the trusted Lovato L-Starter range, this enclosed starter combines dependable motor control with a built-in isolator, making it ideal for industrial machinery, pumps, compressors, conveyors and manufacturing equipment.
The integrated rotary isolator allows the motor supply to be safely disconnected before maintenance or servicing, reducing installation time by eliminating the need for a separate external isolator in many applications. Housed within a durable IP65 insulated enclosure, the DOLSW5.5400 provides excellent protection against dust and water ingress for reliable operation in demanding industrial environments.
With a rated motor power of 5.5 kW, a 12 A AC-3 operational current and a 400 V AC control coil, the DOLSW5.5400 offers dependable motor control for fixed-speed applications. A compatible Lovato RF38 thermal overload relay is selected separately to provide overload protection matched to the motor full-load current.
Direct-on-line starters apply full supply voltage directly to three-phase induction motors, providing a simple and cost-effective method of motor starting. The integrated rotary isolator allows the power supply to be safely disconnected before maintenance, improving operator safety and simplifying installation.
The Lovato DOLSW5.5400 is ideal for machine builders, panel manufacturers and maintenance engineers requiring dependable motor control with integrated isolation for industrial applications.
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| With Isolator | Yes | |
|---|---|---|
| Starter Type | DOL | |
| Power | 5.5 kW | |
| Current | 12 A | |
| Voltage | 400 V | |
| Phase | Three Phase | |
| IP Rating | IP65 | |
| Coil / Supply Voltage | 400 V AC | |
| Series | L-Starter DOLSW Series | |
| 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 | 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 | RF25 series | |
| Compliance | IEC/EN 60947-1, IEC/EN 60947-4-1 |
It is designed to safely start, stop and isolate three-phase induction motors in industrial and commercial applications.
The DOLSW5.5400 is suitable for motors rated up to 5.5 kW.
This model is fitted with a 400 V AC control coil.
No. A compatible Lovato RF38 thermal overload relay must be selected separately to match the motor full-load current.
The built-in rotary isolator enables the motor supply to be safely disconnected for servicing or maintenance without requiring a separate external isolator.
Lovato L-Starter motor starters with integrated isolators are trusted by OEM manufacturers, panel builders and industrial engineers for dependable motor starting, safe isolation and reliable long-term performance.
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