Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
BF38T4D048 – 4P CONTACTOR NO 56A AC1 48VDC
Lovato BF38T4D048 four-pole power contactor with four normally open contacts, a 56 A IEC conventional thermal current rating, 38 A AC-3 rating and 48 V DC coil for industrial motor and load switching.
£232.92
Why Choose the Lovato BF38T4D048 Four-Pole Contactor?
The Lovato BF38T4D048 is a robust four-pole power contactor designed for reliable electrical load switching in industrial machinery, motor control panels and automation systems. As part of the Lovato BF38 contactor series, it features four normally open (4NO) main contacts and a 48 V DC operating coil.
This contactor provides an IEC conventional free-air thermal current Ith rating of 56 A and an AC-3 operational current rating of 38 A at up to 440 V. At 400 V, its AC-3 motor rating is 18.5 kW, making it suitable for switching three-phase motors as well as industrial power loads.
The BF38T4D048 incorporates a 48 V DC coil with an average consumption of 5.4 W. Screw fixing and standard 35 mm DIN rail mounting provide flexible installation inside electrical control panels, while its high mechanical endurance and wide operating temperature range support demanding industrial applications.
Key Advantages
- Four-pole industrial power contactor for machinery and automation applications.
- 56 A IEC conventional free-air thermal current Ith.
- 38 A AC-3 operational current at up to 440 V.
- 18.5 kW AC-3 motor rating at 400 V.
- Four normally open (4NO) main contacts for four-pole switching.
- 48 V DC coil suitable for DC industrial control systems.
- Screw or 35 mm DIN rail mounting for flexible panel installation.
Key Features
- Lovato BF38 power contactor series.
- Four normally open main poles.
- 56 A conventional free-air thermal current Ith.
- 38 A AC-3 operational current at up to 440 V and 55 °C.
- 15.5 A AC-4 operational current at 400 V.
- 690 V rated insulation voltage Ui.
- 6 kV rated impulse withstand voltage Uimp.
- 48 V DC coil with 5.4 W average consumption.
- IP20 power terminal protection when properly wired.
- Mechanical life rated at 20,000,000 operating cycles.
Reliable Motor and Load Control for Industrial Systems
Power contactors such as the Lovato BF38T4D048 provide electrically controlled switching of power circuits, allowing motors and other electrical loads to be operated remotely through industrial control systems. Energising the contactor coil closes the normally open main contacts, enabling repeatable switching as part of automated machinery and electrical installations.
The BF38T4D048 combines four normally open poles with a 38 A AC-3 rating and an 18.5 kW motor rating at 400 V. Its 48 V DC coil makes it suitable for DC control systems, while screw or DIN rail mounting simplifies integration into industrial control panels.
Typical Applications
- Industrial motor starters and control panels.
- Automation and machine control systems.
- Resistive and heating load switching.
- HVAC, pump, fan and compressor control systems.
- Industrial power distribution and switching.
- OEM machinery and electrical assemblies.
Technical Specifications
Tick the specs you need, then view products that match.
| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 42–48 V | |
| Current | 38 A | |
| Power | 18.5 kW | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 48 V DC | |
| Device Type | Contactor | |
| Coil Type | DC | |
| Current AC-1 | 56 A | |
| HS Code | 85365080 | |
| Manufacturer | Lovato Electric | |
| Series | BF38 | |
| Model | BF38T4D048 | |
| Product type | Power contactor | |
| Number of poles | 4 | |
| Main contact configuration | 4NO | |
| IEC conventional free-air thermal current Ith at ≤40 °C | 56 A | |
| AC-1 operational current at ≤40 °C | 56 A | |
| AC-1 operational current at ≤40 °C with 16 mm² wire and fork end lug | 60 A | |
| AC-1 operational current at ≤55 °C | 45 A | |
| AC-1 operational current at ≤55 °C with 16 mm² wire and fork end lug | 48 A | |
| AC-1 operational current at ≤70 °C | 40 A | |
| AC-1 operational current at ≤70 °C with 16 mm² wire and fork end lug | 42 A | |
| AC-3 operational current at ≤440 V and ≤55 °C | 38 A | |
| AC-4 operational current at 400 V | 15.5 A | |
| AC-3 motor power at 400 V | 18.5 kW | |
| Rated operational power AC-1 at 230 V | 21 kW | |
| Rated operational power AC-1 at 400 V | 36 kW | |
| Rated operational power AC-1 at 500 V | 45 kW | |
| Rated operational power AC-1 at 690 V | 62 kW | |
| Rated insulation voltage Ui | 690 V | |
| Rated impulse withstand voltage Uimp | 6 kV | |
| Operational frequency | 25–400 Hz | |
| Coil / Supply Voltage | 48 V DC | |
| Average coil consumption at ≤20 °C | 5.4 W inrush / 5.4 W holding | |
| DC coil pick-up voltage | 80–125% Us | |
| DC coil drop-out voltage | 10–40% Us | |
| Power terminal protection | IP20 when properly wired | |
| Mounting type | Screw / 35 mm DIN rail | |
| Normal operating position | Vertical plane | |
| Allowable mounting inclination | ±30° | |
| Mechanical life | 20,000,000 cycles | |
| Electrical life | 1,400,000 cycles | |
| Maximum mechanical operating frequency | 3,600 cycles/h | |
| Operating temperature | -50 to 70 °C | |
| Storage temperature | -60 to 80 °C | |
| Maximum altitude | 3,000 m | |
| Weight | 664 g |
Frequently Asked Questions
What is the Lovato BF38T4D048 used for?
The Lovato BF38T4D048 is a four-pole power contactor designed for switching motors and electrical loads in industrial machinery, automation systems and control panels.
What current rating does the BF38T4D048 have?
The contactor has an IEC conventional free-air thermal current Ith rating of 56 A and an AC-3 operational current rating of 38 A at up to 440 V.
What motor power can the BF38T4D048 control?
The BF38T4D048 has an IEC AC-3 motor power rating of 18.5 kW at 400 V.
What coil voltage does the BF38T4D048 require?
The BF38T4D048 uses a 48 V DC control coil with an average consumption of 5.4 W.
How is the Lovato BF38T4D048 mounted?
The contactor can be installed using screw fixing or mounted on a standard 35 mm DIN rail inside an electrical control panel.
Trusted Industrial Switching from Lovato Electric
Lovato Electric BF contactors are designed for dependable industrial switching, combining robust electrical performance, high operating endurance and flexible panel mounting for motor control, machinery and automation applications.
