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Lovato BF38T4A048 four-pole power contactor with four normally open main contacts, a 48 V AC 50/60 Hz coil, 56 A AC-1 rating and 38 A / 18.5 kW AC-3 rating at 400 V for industrial switching and motor control.
£111.87
The Lovato BF38T4A048 is a robust four-pole power contactor designed for dependable switching in industrial electrical control systems. Part of the Lovato BF38 contactor range, it features four normally open main contacts and a 48 V AC 50/60 Hz control coil, making it suitable for motor control, machinery and general industrial switching applications.
The BF38T4A048 has an IEC conventional free-air thermal current rating of 56 A and an AC-3 operational current rating of 38 A at up to 440 V and 55 °C. At 400 V, it provides an AC-3 motor rating of 18.5 kW, supporting reliable switching of three-phase motors in demanding industrial environments.
With a rated insulation voltage of 690 V, rated impulse withstand voltage of 6 kV and mechanical life of up to 20,000,000 cycles, the BF38T4A048 is engineered for long-term industrial service. Screw fixing or 35 mm DIN rail mounting provides flexible installation within electrical panels and control cabinets.
Power contactors provide electrically controlled switching of industrial power circuits, allowing motors and other loads to be operated through automation and control equipment. The Lovato BF38T4A048 combines four normally open main poles with a 48 V AC 50/60 Hz control coil, providing a dependable solution for machinery and industrial electrical panels.
Its 38 A / 18.5 kW AC-3 rating at 400 V supports three-phase motor control, while its 56 A AC-1 rating provides capacity for resistive load switching. High mechanical endurance and flexible screw or DIN rail mounting further support integration into professional industrial control systems.
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 42–48 V | |
| Current | 38 A | |
| Power | 18.5 kW | |
| Poles | 4-pole | |
| Device Type | Contactor | |
| Coil Type | AC | |
| Current AC-1 | 56 A | |
| HS Code | 85365080 | |
| Manufacturer | Lovato Electric | |
| Series | BF38 | |
| Model | BF38T4A048 | |
| Product type | Power contactor | |
| Number of poles | 4 | |
| Main contact configuration | 4NO | |
| Coil type | AC | |
| Rated control voltage | 48 V AC | |
| Control frequency | 50/60 Hz | |
| Rated insulation voltage Ui | 690 V | |
| Rated impulse withstand voltage Uimp | 6 kV | |
| Operational frequency | 25–400 Hz | |
| IEC conventional free-air thermal current Ith | 56 A | |
| Operational current AC-1 at ≤40 °C | 56 A | |
| Operational current AC-3 at ≤440 V and ≤55 °C | 38 A | |
| Operational current AC-4 at 400 V | 15.5 A | |
| AC-3 operational power at 230 V | 11 kW | |
| AC-3 operational power at 400 V | 18.5 kW | |
| AC-3 operational power at 415 V | 18.5 kW | |
| AC-3 operational power at 440 V | 18.5 kW | |
| AC-3 operational power at 500 V | 20 kW | |
| AC-3 operational power at 690 V | 22 kW | |
| AC-1 operational power at 230 V | 21 kW | |
| AC-1 operational power at 400 V | 36 kW | |
| AC-1 operational power at 500 V | 45 kW | |
| AC-1 operational power at 690 V | 62 kW | |
| Short-time allowable current for 10 s | 320 A | |
| Making capacity | 380 A RMS | |
| Resistance per pole | 2 mΩ | |
| Power dissipation per pole at Ith | 6 W | |
| Power dissipation per pole at AC-3 | 2.9 W | |
| Power terminal protection | IP20 when properly wired | |
| Mounting type | Screw / 35 mm DIN rail | |
| Operating temperature | -50 to +70 °C | |
| Maximum altitude | 3000 m | |
| Mechanical life | 20,000,000 cycles | |
| Dimensions (H × W × D) | 90 × 61 × 90 mm | |
| Weight | 513 g |
The BF38T4A048 is a four-pole Lovato power contactor with four normally open main contacts and a 48 V AC 50/60 Hz control coil.
The BF38T4A048 has a 48 V AC control coil rated for 50/60 Hz operation.
The contactor has an IEC conventional free-air thermal current rating of 56 A and an AC-3 operational current rating of 38 A at up to 440 V and 55 °C.
The BF38T4A048 is rated for 18.5 kW in AC-3 duty at 400 V.
The contactor can be installed using screw fixing or a 35 mm DIN rail for flexible integration into industrial electrical panels and control cabinets.
Lovato BF contactors provide dependable switching for industrial motor control, machinery and automation systems, combining high electrical performance with flexible installation for professional electrical control applications.
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