Lovato 11B1454L0024C48 four-pole industrial contactor with integrated G495 mechanical latch, 250 A AC-1 current rating, 24 V AC/DC coil and 48 V DC latch for industrial power switching applications.
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Why Choose the Lovato 11B1454L0024C48 Four-Pole Latching Power Contactor?
The Lovato 11B1454L0024C48 is a heavy-duty four-pole industrial latching 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 model is supplied with a factory-fitted mechanical latch, providing secure maintained switching without continuous coil energisation.
Designed for OEM machine builders, switchboard manufacturers and industrial maintenance engineers, the contactor combines durable contact materials with a high-performance electromagnetic operating mechanism for dependable switching under demanding operating conditions. It features a 24 V AC/DC operating coil together with a 48 V DC mechanical latch, making it ideal for specialist industrial control applications requiring maintained contact operation.
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 24 V AC/DC control coil, the 11B1454L0024C48 is suitable for switching large motors, resistive loads and industrial power circuits. Its heavy-duty screw-mounted construction enables secure installation within industrial control panels and switchboards.
Factory-fitted mechanical latch maintains contact position without continuous coil power.
250 A AC-1 thermal current with 150 A AC-3 operational rating.
24 V AC/DC control coil with 48 V DC mechanical latch.
Four normally open (4NO) main contacts.
Designed for demanding industrial automation and power switching applications.
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).
24 V AC/DC operating coil.
48 V DC mechanical latch supply.
1000 V rated insulation voltage (Ui).
8 kV rated impulse withstand voltage (Uimp).
Technical Specifications
Manufacturer: Lovato Electric
Series: B145
Model: 11B1454L0024C48
Product type: Four-pole latching power contactor
Main contacts: 4 NO
Mechanical latch: Factory fitted
Conventional thermal current (AC-1): 250 A
Rated operational current (AC-3): 150 A
Control coil voltage: 24 V AC/DC
Mechanical latch voltage: 48 V DC
Rated insulation voltage (Ui): 1000 V
Rated impulse withstand voltage (Uimp): 8 kV
Maximum operational voltage: 690 V AC
Frequency: 25–400 Hz
Mounting type: Screw mounting
Weight: Approx. 7.06 kg
Reliable Switching with Mechanical Latching
The Lovato B145 latching contactor series is designed for applications where contact position must remain mechanically maintained without continuous coil energisation. This reduces control power consumption while ensuring reliable switching performance for industrial automation and power distribution systems.
The 11B1454L0024C48 is ideal for installation within industrial control panels, motor control centres, OEM machinery and power distribution equipment where dependable maintained switching is required.
Four-pole industrial contactor with mechanical latch
Rated thermal current (AC-1)
250 A
Maximum operational voltage
690 V AC
Control coil voltage
24 V AC/DC
Mechanical latch voltage
48 V DC
Number of poles
4
Type of coil
AC/DC coil
Mounting type
Screw mounting
Protection rating
IP20 terminals
Weight
approx. 7.06 kg
Operating temperature
-50 °C to +70 °C
EAN
8013975155813
Standards
IEC/EN 60947-1, IEC/EN 60947-4-1
Frequently Asked Questions
What is the Lovato 11B1454L0024C48 used for?
It is used 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 and uses a 48 V DC latch circuit while the operating coil is rated at 24 V AC/DC.
What control voltage does this model require?
The operating coil is rated for 24 V AC/DC, while the 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.
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Voltage
24 V
Phase
Three Phase
IP Rating
IP20
Series
B145
Product type
Four-pole industrial contactor with mechanical latch
Rated thermal current (AC-1)
250 A
Maximum operational voltage
690 V AC
Control coil voltage
24 V AC/DC
Mechanical latch voltage
48 V DC
Number of poles
4
Type of coil
AC/DC coil
Mounting type
Screw mounting
Protection rating
IP20 terminals
Weight
approx. 7.06 kg
Operating temperature
-50 °C to +70 °C
EAN
8013975155813
Standards
IEC/EN 60947-1, IEC/EN 60947-4-1
No documents available for this product.
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Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...