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dolsw11400 Lovato standard dol starter 11kw 25a 400V
Lovato DOLSW11400 direct-on-line motor starter with integrated isolator rated for 11 kW three-phase motors with 25 A AC3 current rating and 400 V AC control voltage.
£162.65
Why Choose the Lovato DOLSW11400 Direct-On-Line Starter with Isolator?
The Lovato DOLSW11400 is a dependable 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 proven Lovato L-Starter range, this enclosed starter combines reliable motor control with an integrated main isolating switch, making it an excellent choice for industrial machinery, pumps, compressors and manufacturing equipment.
The built-in rotary isolator enables the motor circuit to be safely disconnected for maintenance and servicing, eliminating the need for a separate external isolator in many installations. Housed within a durable IP65 insulated polycarbonate enclosure, the DOLSW11400 offers excellent protection against dust and water ingress while ensuring long-term reliability in demanding industrial environments.
With a rated motor power of 11 kW, a 25 A AC-3 operational current and a 400 V AC control coil, the DOLSW11400 is suitable for a wide variety of industrial motor control applications. A compatible Lovato RF38 thermal overload relay is selected separately to provide accurate overload protection matched to the connected motor.
Key Advantages
- Reliable direct-on-line motor starter with integrated rotary isolator.
- 11 kW motor rating for three-phase induction motors.
- 25 A AC-3 operational current.
- 400 V AC control coil.
- Integrated Start / Stop controls with rotary isolator.
- IP65 insulated polycarbonate enclosure for demanding industrial environments.
- Compatible with Lovato RF38 thermal overload relays.
Key Features
- Lovato L-Starter series.
- Standard direct-on-line starter with rotary isolator.
- 11 kW rated motor power.
- 25 A AC-3 operational current.
- 400 V AC control voltage.
- Integrated Start / Stop push-button controls.
- Heavy-duty BF series contactor.
- Padlockable rotary main isolator.
- IP65 insulated polycarbonate enclosure.
- Requires RF38 thermal overload relay.
Reliable Motor Starting with Integrated Isolation
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. The integrated rotary isolator allows the motor supply to be safely isolated before maintenance or servicing, helping improve electrical safety while simplifying installation.
The Lovato DOLSW11400 is widely used by panel builders, OEM manufacturers and maintenance engineers requiring dependable motor control, integrated isolation and long service life in industrial environments.
Typical Applications
- Industrial pumps and booster systems.
- Compressors and refrigeration equipment.
- 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 | Yes | |
|---|---|---|
| Starter Type | DOL | |
| Power | 11 kW | |
| Current | 25 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 | 11 kW | |
| Horsepower rating | 15 HP | |
| Maximum AC3 current | 25 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. 225 × 110 × 148 mm | |
| Overload relay compatibility | RF38 series | |
| Compliance | IEC/EN 60947-1, IEC/EN 60947-4-1 |
Frequently Asked Questions
What is the Lovato DOLSW11400 used for?
It is designed to safely start, stop and isolate three-phase induction motors used in industrial and commercial applications.
What motor size is this starter suitable for?
The DOLSW11400 is suitable for motors rated up to 11 kW.
What control voltage does this starter use?
This version 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.
What is the benefit of the integrated isolator?
The built-in rotary isolator allows the motor circuit to be safely disconnected before maintenance or servicing, reducing installation complexity and improving safety.
Trusted for Industrial Motor Control
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 industrial performance.
