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11B4000024 Lovato b series 3 pole maxi contactor 420A 225kW 550A 24VAC/DC
MPN: 11B4000024
Alt. SKU: B4000024
Why Choose the Lovato 11B4000024 Three-Pole Contactor?
The Lovato 11B4000024 is a premium heavy-duty three-pole industrial contactor engineered for switching extremely high-power motors and industrial electrical loads in the most demanding automation and power control systems. Part of the advanced Lovato B series, this contactor delivers exceptional electrical endurance, high switching performance and robust industrial reliability for critical applications.
Designed for continuous-duty industrial operation, the 11B4000024 incorporates a versatile 24 VAC/DC universal control coil, simplifying control circuit design while reducing spare parts inventory requirements for OEMs, panel builders and maintenance engineers.
With an impressive AC-3 operational current rating of 420 A and motor switching capability up to approximately 225 kW at 400 V AC, the Lovato 11B4000024 is ideal for controlling very large three-phase motors, industrial compressors, HVAC systems, conveyors, pumps and heavy-duty process machinery.
Key Advantages
- Heavy-duty three-pole industrial contactor for critical motor control applications.
- 420 A AC-3 operational current rating.
- 225 kW motor switching capability at 400 V AC.
- 24 VAC/DC universal coil simplifies industrial control integration.
- High-performance switching for demanding industrial loads.
- Robust industrial construction with long mechanical life.
- Suitable for power distribution and high-current switching systems.
Key Features
- Lovato B series power contactor.
- 3 normally open main poles.
- 24 VAC/DC AC/DC control coil.
- AC-3 rating: 420 A.
- AC-1 thermal current: 550 A.
- UL/CSA horsepower rating at 480 V: 350 HP.
- Mechanical endurance up to 10 million operations.
- Screw mounting and heavy-duty bolt terminal connections.
- Compatible with auxiliary contacts and mechanical interlock accessories.
- Designed for demanding industrial automation systems.
Technical Specifications
- Manufacturer: Lovato Electric
- Series: B Series Contactors
- Model: 11B4000024
- Alternative SKU: B4000024
- Product type: Three-pole contactor
- Number of poles: 3
- Main contacts: 3 NO
- AC-3 operational current: 420 A
- AC-1 thermal current: 550 A
- Motor power rating: 225 kW at 400 V AC
- UL/CSA horsepower rating at 480 V: 350 HP
- Control voltage: 24 VAC/DC
- Control frequency: 50/60 Hz
- Rated insulation voltage Ui: 690 V to 1000 V
- Rated operational voltage: up to 600 V AC
- Rated impulse withstand voltage Uimp: 8 kV
- Mounting type: Screw mounting
- Connection type: Screw/bolt terminals
- Width: approx. 145 mm
- Height: approx. 204 mm
- Operating temperature: -50 °C to +70 °C
- Mechanical life: 10 million operations
- Weight: approx. 9.77 kg
- EAN: 8013975026625
- HS Code: 85365080
- Ingress protection: IP00 terminal protection
- Standards: IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-1, UL 60947-4-1, CSA C22.2 No. 60947-1, CSA C22.2 No. 60947-4-1
Reliable High-Power Motor Switching
Industrial contactors such as the Lovato 11B4000024 are engineered to safely switch very high-current electrical loads and large three-phase motors in industrial automation systems. Their rugged design enables frequent switching operations while maintaining dependable electrical performance and long-term operational reliability in harsh industrial environments.
The universal AC/DC coil design simplifies industrial control integration by allowing operation from either AC or DC control supplies. This increases design flexibility while reducing inventory complexity for industrial maintenance and machine-building operations.
Typical Applications
- Large industrial motor starters and MCC systems.
- Heavy-duty pumps and compressors.
- Industrial HVAC and ventilation systems.
- Mining and material handling equipment.
- Power distribution and switching systems.
- OEM machinery and automation systems.
- High-current industrial process applications.
Frequently Asked Questions
What is the Lovato 11B4000024 used for?
The 11B4000024 is a heavy-duty three-pole contactor used for switching very high-power three-phase motors and industrial electrical loads.
What is the AC-3 current rating of the 11B4000024?
The contactor has an AC-3 operational current rating of 420 A.
What coil voltage does the 11B4000024 use?
The contactor uses a 24 VAC/DC universal coil, allowing operation from either AC or DC control supplies.
What motor size can this contactor control?
The 11B4000024 is suitable for motors up to approximately 225 kW at 400 V AC.
Is the 11B4000024 suitable for industrial environments?
Yes, it is specifically designed for demanding industrial automation, power distribution and motor control applications.
Trusted by Industrial Automation Professionals
Lovato B series contactors are trusted worldwide for dependable high-current switching, rugged industrial construction and reliable long-term operation in demanding automation systems.
| Manufacturer Part Number | 11B4000024 |
|---|---|
| HS Code | 85365080 |
| Manufacturer | Lovato |
| Alternative Product SKU | B4000024 |
| KW Rating | 225kW |
| Number of Poles | 3 Pole |
| AC3 Amperage | 420A |
| AC1 Amperage | 550A |
| Barcode | 8013975026625 |
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