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11B1454L0048C48 – 4P CONTACTOR 48V C/W LATCH 48VDC
Lovato 11B1454L0048C48 four-pole industrial contactor with integrated G495 mechanical latch, 250 A AC-1 current rating, 48 V AC/DC coil and 48 V DC latch for industrial power switching applications.
Why Choose the Lovato 11B1454L0048C48 Four-Pole Latching Power Contactor?
The Lovato 11B1454L0048C48 is a heavy-duty four-pole industrial latching power contactor designed for dependable 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 model is supplied with a factory-fitted mechanical latch, allowing the contactor to maintain its switching position without continuous coil energisation, helping reduce energy consumption and improve operational efficiency.
Designed for OEM machine builders, panel manufacturers and industrial maintenance engineers, the contactor combines durable silver alloy contacts with a robust electromagnetic operating mechanism for reliable performance under demanding industrial conditions. It features a 48 V AC/DC operating coil together with a 48 V DC mechanical latch, making it ideal for applications requiring maintained switching functionality.
With a 250 A AC-1 thermal current rating, a 150 A AC-3 operational current, four normally open (4NO) main contacts, an integrated mechanical latch and a 48 V AC/DC control coil, the 11B1454L0048C48 is suitable 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 latching contactor.
- Factory-fitted mechanical latch maintains contact position without continuous coil power.
- 250 A AC-1 thermal current with 150 A AC-3 operational rating.
- 48 V AC/DC operating coil with 48 V DC mechanical latch.
- Four normally open (4NO) main contacts.
- Ideal for industrial automation, motor control and power distribution systems.
Key Features
- Lovato B145 power contactor series.
- Factory-fitted 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.
- 48 V DC mechanical latch supply.
- 1000 V rated insulation voltage (Ui).
- 8 kV rated impulse withstand voltage (Uimp).
Reliable Switching with Mechanical Latching
The Lovato B145 latching contactor series is designed for applications where contact position must remain mechanically maintained after operation. The integrated latch reduces continuous coil power requirements while ensuring dependable switching performance for industrial automation, machinery and power distribution systems.
The 11B1454L0048C48 is ideal for installation within industrial control panels, motor control centres, OEM machinery and power distribution equipment where reliable maintained switching is required.
Typical Applications
- Industrial motor control centres.
- Power distribution equipment.
- Industrial automation systems.
- Maintained load switching applications.
- Pumps, compressors and conveyor systems.
- OEM electrical control panels and switchboards.
Technical Specifications
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| Coil Type | AC, AC/DC, DC | |
|---|---|---|
| Coil Voltage Range | 42–48 V | |
| Power | 75 kW | |
| Current | 150 A | |
| 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 with mechanical latch | |
| Rated thermal current (AC-1) | 250 A | |
| Rated operational current (AC-3 at 400 V) | 150 A | |
| Rated operational current (AC-4 at 400 V) | 57 A | |
| Maximum operational voltage | 690 V AC | |
| Control coil voltage | 48 V AC/DC | |
| Mechanical latch voltage | 48 V DC | |
| Number of poles | 4 | |
| Main contacts | 4 NO | |
| Mounting type | Screw mounting | |
| Protection rating | IP20 terminals | |
| Weight | approx. 9.4 kg | |
| Operating temperature | -50 °C to +70 °C | |
| EAN | 8013975064511 | |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1 |
Frequently Asked Questions
What is the Lovato 11B1454L0048C48 used for?
It is designed for switching high-current industrial electrical loads where a mechanically maintained contact position is required.
What makes this model different from a standard contactor?
This version includes a factory-fitted mechanical latch that maintains the contact position without continuous coil energisation.
What control voltage does this model require?
The operating coil is rated for 48 V AC/DC, while the integrated mechanical latch operates from 48 V 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 latching contactors are trusted by OEM manufacturers, panel builders and industrial engineers for dependable maintained switching, robust construction and long operational service life.
