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11B5004SL0048 – 4P CONTACTOR 48V W/O LATCH
Lovato 11B5004SL0048 heavy-duty four-pole industrial contactor with 520 A AC3 operational current rating, 48 V AC/DC operating coil and compatibility with G495 mechanical latch systems for industrial motor control and power switching applications.
£2,800.13
Why Choose the Lovato 11B5004SL0048 Power Contactor?
The Lovato 11B5004SL0048 is a heavy-duty 4-pole power contactor designed for reliable switching of high-current industrial loads. As part of the proven Lovato B500 contactor series, it provides dependable performance for motor control, power distribution and industrial automation systems where durability and operational reliability are essential.
This model features a 48 V AC/DC universal control coil and is predisposed for the optional G495 mechanical latch, allowing easy future conversion to mechanically latched operation if required. Its universal AC/DC coil simplifies panel design while providing flexible integration into industrial control systems.
With an IEC AC-1 thermal current rating of 700 A, an AC-3 operational current of 520 A at 400 V, and the capability to switch motors up to 290 kW, the 11B5004SL0048 is ideal for demanding industrial motor control and power switching applications.
Key Advantages
- Heavy-duty 4-pole industrial power contactor.
- 700 A IEC AC-1 thermal current rating.
- 520 A AC-3 operational current at 400 V.
- 48 V AC/DC universal control coil.
- Prepared for optional G495 mechanical latch.
- Excellent electrical and mechanical endurance.
- Designed for demanding industrial automation and motor control systems.
Key Features
- Lovato B500 Series power contactor.
- 4 normally open (4 NO) main poles.
- 48 V AC/DC operating coil.
- 700 A IEC AC-1 rated thermal current.
- 520 A AC-3 operational current at 400 V.
- 290 kW AC-3 motor switching capacity at 400 V.
- Prepared for optional G495 mechanical latch.
- 1000 V rated insulation voltage.
- 8 kV impulse withstand voltage.
- Screw mounting with bolt-type power terminals.
- Mirror contacts compliant with IEC/EN 60947-4-1.
Reliable High-Power Switching
The Lovato B500 series is engineered for reliable switching of large industrial motors and heavy electrical loads. Its robust contact system, universal AC/DC coil and high insulation ratings provide dependable operation in demanding manufacturing, automation and infrastructure applications.
The contactor is prepared for the optional G495 mechanical latch, allowing additional flexibility for applications requiring maintained contact operation without replacing the entire contactor.
Typical Applications
- Industrial motor starters.
- Motor control centres.
- Heavy-duty power distribution.
- Industrial automation systems.
- OEM electrical control panels.
- HVAC and pumping installations.
- Manufacturing and processing equipment.
Technical Specifications
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| Terminal Type | Bar / bolt | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 42–48 V | |
| Current | 520 A | |
| Power | 290 kW | |
| Voltage | 48 V | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 48 V AC, 48 V DC | |
| Device Type | Contactor | |
| Current AC-1 | 700 A | |
| Series | B500 Contactors | |
| Product type | Four-pole power contactor | |
| Number of poles | 4 | |
| Main contact configuration | 4 NO | |
| IEC operational current Ith (AC1) | 700 A | |
| IEC operational current Ie (AC3) | 520 A | |
| Motor power rating | 290 kW at 400 V | |
| Rated operational power at 690 V | 755 kW | |
| Type of coil | AC/DC operating coil | |
| Rated coil voltage | 48 V AC/DC | |
| Mechanical latch compatibility | G495 | |
| Rated insulation voltage Ui | 1000 V | |
| Rated impulse withstand voltage Uimp | 8 kV | |
| Frequency | 25–400 Hz | |
| Mounting type | Screw mounting | |
| Connection type | Bolt connection | |
| Operating temperature | -50 °C to +70 °C | |
| Weight | Approx. 20.5 kg | |
| Package dimensions | Approx. 277 × 268 × 276 mm | |
| EAN | 8013975067093 | |
| HS Code | 85365080 | |
| Compliance 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 | |
| Certifications | cULus, CCC, EAC |
Frequently Asked Questions
What is the Lovato 11B5004SL0048 used for?
It is a heavy-duty four-pole power contactor designed for switching large industrial motors, power circuits and automation systems.
Does this contactor include a mechanical latch?
No. This model is supplied without a mechanical latch but is prepared for the optional G495 mechanical latch.
What coil voltage does this contactor use?
The contactor is fitted with a 48 V AC/DC universal operating coil.
What is the AC-3 current rating?
It is rated for 520 A AC-3 at 400 V, suitable for switching motors up to approximately 290 kW.
Where is this contactor typically installed?
It is commonly installed in industrial control panels, switchboards, motor control centres and heavy-duty automation equipment.
Trusted for Industrial Power Control
Lovato B500 power contactors are trusted worldwide by OEM manufacturers, machine builders and industrial engineers for reliable high-current switching, robust construction and dependable long-term performance.
