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BF40T4A024 Lovato contactor 4 pole AC3:40A 18.5kw 24VAC coil
Lovato BF40T4A024 four-pole power contactor with 24 V AC coil, 70 A AC-1 rating and 40 A AC-3 rating for industrial switching applications.
£117.54
Why Choose the Lovato BF40T4A024 Power Contactor?
The Lovato BF40T4A024 is a heavy-duty four-pole power contactor designed for reliable switching and control of electrical loads, motors and industrial power systems. As part of the proven Lovato BF40 contactor series, it provides dependable performance for automation panels, electrical distribution equipment and industrial control applications.
This contactor features a 24 V AC 50/60 Hz coil and supports an IEC AC-1 thermal current rating of 70 A and an AC-3 operational current rating of 40 A, making it suitable for a wide range of switching applications. Its compact design allows flexible installation using screw fixing or standard 35 mm DIN rail mounting.
With four normally open main contacts and an AC-3 motor switching capability of 18.5 kW at 400 V AC, the BF40T4A024 delivers reliable control for motors, heating systems, distribution equipment and industrial automation installations.
Key Advantages
- Heavy-duty four-pole contactor for industrial switching applications.
- 70 A AC-1 thermal current rating for reliable load switching.
- 24 V AC 50/60 Hz coil suitable for industrial control circuits.
- 40 A AC-3 motor current rating for three-phase motor applications.
- Flexible installation with screw fixing or 35 mm DIN rail mounting.
- High electrical and mechanical endurance for demanding industrial environments.
Key Features
- Lovato BF40 series power contactor.
- 4 main normally open power contacts.
- 24 V AC 50/60 Hz operating coil.
- 70 A IEC AC-1 rated thermal current.
- 40 A IEC AC-3 rated current at 400 V AC.
- 18.5 kW AC-3 motor rating at 400 V AC.
- Suitable for motor control, switching and automation applications.
- Designed for electrical panels and industrial control systems.
Reliable Switching for Industrial Applications
Power contactors such as the Lovato BF40T4A024 provide dependable remote switching of electrical circuits, allowing industrial equipment and automation systems to be controlled safely and efficiently through electrical control circuits.
The BF40 series is designed for engineers, panel builders and machine manufacturers requiring robust contactors with high electrical endurance, flexible mounting options and reliable performance in demanding environments.
Typical Applications
- Industrial motor control panels.
- Three-phase motor starters.
- Heating and resistive load switching.
- Electrical distribution systems.
- Automation and production machinery.
- OEM control panel assemblies.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 24 V | |
| Current | 40 A | |
| Power | 18.5 kW | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 24 V AC | |
| Device Type | Contactor | |
| Coil Type | AC | |
| Current AC-1 | 70 A | |
| HS Code | 85365080 | |
| Manufacturer | Lovato Electric | |
| Series | BF40 Contactors | |
| Model | BF40T4A024 | |
| Product type | Power contactor | |
| Number of poles | 4 | |
| Contact configuration | 4 NO main contacts | |
| Coil / Supply Voltage | 24 V AC | |
| Coil frequency | 50/60 Hz | |
| Rated thermal current AC-1 | 70 A | |
| Rated operational current AC-3 | 40 A | |
| Rated motor power AC-3 at 400 V AC | 18.5 kW | |
| UL/CSA motor rating at 480 V | 30 HP | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 8 kV | |
| Mounting type | Screw fixing / 35 mm DIN rail mounting | |
| Protection rating | IP20 front protection | |
| Weight | approx. 1.24 kg |
Frequently Asked Questions
What is the Lovato BF40T4A024 used for?
The Lovato BF40T4A024 is a four-pole power contactor used for switching electrical loads and controlling industrial equipment.
What coil voltage does the BF40T4A024 require?
The contactor uses a 24 V AC 50/60 Hz coil for operation.
How many poles does the BF40T4A024 have?
The BF40T4A024 features four normally open main contacts for flexible switching applications.
What motor power can this contactor control?
The contactor is rated for motors up to 18.5 kW at 400 V AC in AC-3 duty.
How is the BF40T4A024 installed?
The contactor can be installed using screw fixing or mounted on a standard 35 mm DIN rail.
Trusted by Industrial Automation Professionals
Lovato BF series contactors provide reliable switching and power control solutions for industrial automation engineers, panel builders and machine manufacturers worldwide.
