Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
YDSW22400 Lovato star delta starter with isolator 400V 22KW 30HP 43Amp
Lovato YDSW22400 star-delta motor starter with integrated isolator rated for 22 kW three-phase motors with 43 A AC3 current rating and 400 V AC control voltage for reduced-current motor starting.
£537.87
Why Choose the Lovato YDSW22400 Star Delta Starter with Isolator?
The Lovato YDSW22400 is a robust enclosed star delta starter with integrated rotary isolator designed to provide reliable reduced-voltage starting for three-phase induction motors. Manufactured by Lovato Electric, this industrial motor starter reduces inrush current during motor start-up, helping to minimise electrical stress on the supply network while protecting motors and driven equipment from excessive mechanical wear.
Designed for demanding industrial environments, the YDSW22400 features a durable IP65 insulated polycarbonate enclosure complete with integrated start and stop push-buttons and a built-in rotary isolator for safe local isolation during maintenance. It is ideal for machine builders, OEMs and industrial maintenance engineers requiring dependable motor control with enhanced safety.
With a rated motor capacity of 22 kW (30 HP), a 43 A AC-3 operating current and a 400 V AC control coil, the Lovato YDSW22400 provides dependable reduced-voltage starting for pumps, compressors, conveyors, fans and industrial process machinery. A compatible RF38 thermal overload relay is selected separately to complete the installation.
Key Advantages
- Complete star delta starter with integrated rotary isolator.
- 22 kW (30 HP) motor capacity.
- 43 A AC-3 rated operating current.
- 400 V AC control coil.
- IP65 insulated enclosure for demanding industrial environments.
- Reduces motor starting current and mechanical stress compared with direct-on-line starting.
Key Features
- Lovato Electric L-Starter series.
- Automatic star delta reduced-voltage motor starting.
- Integrated rotary isolator.
- 22 kW (30 HP) motor rating.
- 43 A AC-3 current rating.
- 400 V AC control voltage.
- IP65 insulated polycarbonate enclosure.
- Requires separately selected RF38 thermal overload relay.
Reliable Reduced Voltage Motor Starting
Star delta starters reduce the current drawn during motor start-up by initially connecting the motor windings in a star configuration before automatically switching to delta operation. This controlled starting process reduces voltage dips, limits mechanical shock and improves the operating life of motors and connected equipment.
The integrated rotary isolator provides safe local isolation for maintenance and servicing, making the Lovato YDSW22400 an ideal choice for industrial installations where safety, reliability and long-term performance are essential.
Typical Applications
- Industrial pumps.
- Air compressors.
- Conveyor and material handling systems.
- Ventilation and extraction equipment.
- Manufacturing and processing machinery.
- General industrial motor control.
Technical Specifications
Tick the specs you need, then view products that match.
| With Isolator | Yes | |
|---|---|---|
| Starter Type | Star Delta | |
| Power | 22 kW | |
| Current | 43 A | |
| Voltage | 400 V | |
| Phase | Three Phase | |
| IP Rating | IP65 | |
| Coil / Supply Voltage | 400 V AC | |
| Series | L-Starter YDSW Series | |
| Product type | Star-delta starter with isolator | |
| Rated motor power | 22 kW | |
| Horsepower rating | 30 HP | |
| Maximum AC3 current | 43 A | |
| Control voltage | 400 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP65 enclosure | |
| Enclosure material | Insulated polycarbonate | |
| Mounting type | Surface mounting | |
| Dimensions (H × W × D) | approx. 220 × 280 × 170 mm | |
| Starting method | Automatic star-delta transition | |
| Isolation | Integrated rotary isolator | |
| Compliance | IEC/EN 60947-1, IEC/EN 60947-4-1 |
Frequently Asked Questions
What is the Lovato YDSW22400 used for?
The YDSW22400 is a star delta starter with an integrated rotary isolator designed for reduced-voltage starting of three-phase induction motors in industrial applications.
What motor size can this starter control?
The starter is suitable for motors rated up to 22 kW (30 HP).
What control voltage does the starter require?
The Lovato YDSW22400 uses a 400 V AC control coil.
Does the starter include overload protection?
No. A compatible Lovato RF38 thermal overload relay must be selected separately and set to approximately 58% of the motor full-load current for star delta applications.
Why is the integrated isolator beneficial?
The built-in rotary isolator allows safe local disconnection during servicing and maintenance, improving operator safety and simplifying maintenance procedures.
Trusted for Industrial Motor Control
Lovato Electric star delta starters with integrated isolators are trusted by OEMs, panel builders and maintenance engineers worldwide for dependable reduced-voltage motor starting, enhanced safety and reliable long-term industrial performance.
