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11B1454SL0048 – 4P CONTACTOR 48V W/O LATCH
Lovato 11B1454SL0048 four-pole industrial contactor with 250 A AC-1 current rating, 48 V AC/DC coil and predisposition for G495 mechanical latch integration.
Why Choose the Lovato 11B1454SL0048 Four-Pole Power Contactor?
The Lovato 11B1454SL0048 is a heavy-duty four-pole industrial power contactor designed for reliable switching of high-current electrical loads in motor control, power distribution and industrial automation systems. As part of the robust Lovato B145 contactor series, this version is predisposed for installation of the optional G495 mechanical latch, allowing future conversion to mechanically latched operation when required.
Designed for OEM machine builders, switchboard manufacturers and industrial maintenance engineers, the contactor combines durable silver alloy contacts with a high-performance electromagnetic operating mechanism to deliver dependable switching performance in demanding industrial environments. The integrated 48 V AC/DC operating coil provides compatibility with both AC and DC control circuits.
With a 250 A AC-1 thermal current rating, a 150 A AC-3 operational current, four normally open (4NO) main contacts and a 48 V AC/DC control coil, the 11B1454SL0048 is ideal for switching large motors, heating systems and industrial power circuits. Its heavy-duty screw-mounted construction enables secure installation within electrical control panels and switchboards.
Key Advantages
- Heavy-duty four-pole industrial power contactor.
- Predisposed for optional G495 mechanical latch installation.
- 250 A AC-1 thermal current with 150 A AC-3 operational rating.
- 48 V AC/DC control coil.
- Four normally open (4NO) main contacts.
- Designed for demanding industrial automation and power switching applications.
Key Features
- Lovato B145 power contactor series.
- Prepared for optional G495 mechanical latch.
- Four-pole (4NO) configuration.
- 250 A conventional thermal current (AC-1).
- 150 A operational current (AC-3).
- 48 V AC/DC operating coil.
- 1000 V rated insulation voltage (Ui).
- 8 kV rated impulse withstand voltage (Uimp).
Reliable Switching for Industrial Power Systems
The Lovato B145 series provides dependable switching of motors, heating equipment and high-current electrical circuits. Models prepared for the optional mechanical latch offer greater installation flexibility, allowing conversion to mechanically maintained operation when application requirements change.
The 11B1454SL0048 is ideally suited for industrial control panels, motor control centres, OEM machinery and power distribution equipment where reliable high-current switching is essential.
Typical Applications
- Industrial motor control centres.
- Power distribution equipment.
- Industrial automation systems.
- HVAC plants and compressor control.
- Pumps, conveyors and production machinery.
- OEM electrical control panels and switchboards.
Technical Specifications
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| Coil Type | AC, AC/DC, DC | |
|---|---|---|
| Coil Voltage Range | 42–48 V | |
| Voltage | 48 V | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 4-pole | |
| Device Type | Contactor | |
| Current AC-1 | 250 A | |
| Series | B145 | |
| Product type | Four-pole industrial contactor | |
| Rated thermal current (AC-1) | 250 A | |
| Maximum operational voltage | 690 V AC | |
| Control coil voltage | 48 V AC/DC | |
| Number of poles | 4 | |
| Type of coil | AC/DC coil | |
| Mechanical latch compatibility | G495 predisposed | |
| Mounting type | Screw mounting | |
| Protection rating | IP20 terminals | |
| Weight | approx. 6.29 kg | |
| Package dimensions | approx. 173 × 163 × 195 mm | |
| Operating temperature | -50 °C to +70 °C | |
| EAN | 8013975122877 | |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-1, CSA C22.2 No. 60947-4-1 |
Frequently Asked Questions
What is the Lovato 11B1454SL0048 used for?
It is used for switching high-current industrial electrical loads in automation, motor control and power distribution systems.
Does this contactor include a mechanical latch?
No. This model is predisposed for installation of the optional G495 mechanical latch, but the latch is supplied separately.
What control voltage does this model require?
The operating coil is rated for 48 V AC/DC.
What current rating does the contactor support?
It provides a 250 A AC-1 thermal current rating together with a 150 A AC-3 operational current rating.
Where is this contactor typically installed?
It is commonly installed inside industrial control panels, switchboards, motor control centres and industrial power distribution equipment.
Trusted by Industrial Engineers Worldwide
Lovato B145 contactors are trusted by OEM manufacturers, panel builders and industrial engineers for dependable switching performance, robust construction and long operational service life.
