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DOLS5.5400 Lovato Direct On Line starter 5.5kw 12A 400VAC IP65
Lovato DOLS5.5400 standard Direct-On-Line motor starter with 400 V AC coil, IP65/IP68 insulated enclosure and 5.5 kW motor rating for industrial motor control applications.
£51.18
Why Choose the Lovato DOLS5.5400 Direct-On-Line Starter?
The Lovato DOLS5.5400 is a robust direct-on-line (DOL) motor starter designed for the reliable starting and stopping of three-phase induction motors in industrial and commercial applications. As part of the proven Lovato L-Starter range, this enclosed starter combines dependable AC-3 switching performance with a durable insulated enclosure, making it ideal for demanding industrial environments.
Featuring integrated Start and Stop push-button controls, the DOLS5.5400 provides straightforward motor operation while protecting internal switching components within a rugged IP65 insulated enclosure. Its heavy-duty BF series contactor ensures reliable performance, making it suitable for OEM machinery, control panels and industrial installations.
With a rated motor power of 5.5 kW, a 12 A AC-3 operational current and a 400 V AC control coil, the DOLS5.5400 is well suited to pumps, compressors, conveyors, fans and general industrial machinery. A compatible Lovato RF38 thermal overload relay is selected separately to provide overload protection matched to the motor full-load current.
Key Advantages
- Reliable direct-on-line motor starter for industrial motor control.
- 5.5 kW motor rating for three-phase induction motors.
- 12 A AC-3 operational current.
- 400 V AC control coil.
- Integrated Start / Stop push-button controls.
- Durable IP65 insulated enclosure.
- Compatible with Lovato RF38 thermal overload relays.
Key Features
- Lovato L-Starter series.
- Standard direct-on-line starter.
- 5.5 kW rated motor power.
- 12 A AC-3 operational current.
- 400 V AC control voltage.
- Integrated Start / Stop control station.
- Heavy-duty BF series contactor.
- IP65 insulated polycarbonate enclosure.
- Surface mounting design.
- Requires RF38 thermal overload relay.
Reliable Motor Starting for Industrial Applications
Direct-on-line starters apply full supply voltage directly to the motor terminals, providing a simple, dependable and cost-effective method of starting three-phase induction motors. They are widely used where fixed-speed operation is required and maximum reliability is essential.
The Lovato DOLS5.5400 is suitable for OEM machinery, industrial automation systems and manufacturing equipment, offering dependable motor control with the flexibility to select the appropriate RF38 thermal overload relay for optimum motor protection.
Typical Applications
- Industrial pumps.
- Compressors.
- Conveyor systems.
- HVAC and ventilation equipment.
- Machine tools.
- Industrial automation systems.
- General-purpose three-phase motor control.
Technical Specifications
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| With Isolator | No | |
|---|---|---|
| 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 | |
| Product type | Standard Direct-On-Line starter | |
| Motor power at 400 V | 5.5 kW | |
| Horsepower rating | 7.5 HP | |
| Maximum motor current AC-3 | 12 A | |
| Control voltage | 400 V AC | |
| Protection rating | IP65 / IP68 | |
| Enclosure type | Insulated polycarbonate enclosure | |
| Control functions | Start / Stop | |
| Dimensions (H × W × D) | approx. 193 × 88 × 134 mm | |
| Operating temperature | approx. -25 to +60 °C | |
| Motor type | Three-phase induction motor | |
| Overload relay required | RF38 series | |
| Installation type | Surface mounting | |
| Standards compliance | IEC/EN 60947-1 and IEC/EN 60947-4-1 |
Frequently Asked Questions
What is the Lovato DOLS5.5400 used for?
It is designed to safely start and stop three-phase induction motors used in industrial and commercial applications.
What motor size is this starter suitable for?
The DOLS5.5400 is suitable for motors rated up to 5.5 kW.
What control voltage does this starter use?
This model is fitted with a 400 V AC control coil.
Does the starter include overload protection?
No. A compatible Lovato RF38 thermal overload relay must be selected separately to match the motor full-load current.
Is the enclosure suitable for industrial environments?
Yes. The durable IP65 insulated enclosure provides excellent protection against dust and water ingress for demanding industrial installations.
Trusted for Industrial Motor Control
Lovato L-Starter motor starters are trusted by OEM manufacturers, panel builders and industrial engineers worldwide for dependable motor starting, robust construction and reliable long-term performance.
