BF38T4A048 - 4P CONTACTOR NO 56A AC1 48/50-60

BF38T4A048 – 4P CONTACTOR NO 56A AC1 48/50-60

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.

SKU: BF38T4A048MPN: BF38T4A048
Price
List Price £186.45 ex VAT
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£186.45
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Manufacturer Lead Time

£186.45

Why Choose the Lovato BF38T4A048 Four-Pole Contactor?

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.

Key Advantages

  • Robust four-pole power contactor for industrial switching applications.
  • Four normally open main contacts for four-pole load switching.
  • 48 V AC 50/60 Hz coil for compatible AC control circuits.
  • 56 A conventional free-air thermal current for AC-1 applications.
  • 38 A / 18.5 kW AC-3 rating at 400 V for motor control.
  • Flexible screw or 35 mm DIN rail mounting for control-panel installation.

Key Features

  • Lovato BF38 power contactor.
  • Four normally open main poles.
  • 48 V AC rated control voltage at 50/60 Hz.
  • 56 A AC-1 operational current at up to 40 °C.
  • 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.
  • 6 kV rated impulse withstand voltage.
  • IP20 power terminal protection when properly wired.

Reliable Switching for Industrial Control Systems

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.

Typical Applications

  • Industrial motor starters and control panels.
  • Three-phase motor switching.
  • Machinery and automation systems.
  • Resistive load switching.
  • Electrical control cabinets.
  • OEM machinery and industrial equipment.

Technical Specifications

Coil Voltage Range 42–48 V
Current 38 A
Power 18.5 kW
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
Poles 4-pole
Device Type Contactor
Coil Type AC
Current AC-1 56 A

Frequently Asked Questions

What is the Lovato BF38T4A048?

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.

What control voltage does the BF38T4A048 require?

The BF38T4A048 has a 48 V AC control coil rated for 50/60 Hz operation.

What is the current rating of the BF38T4A048?

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.

What motor power is the BF38T4A048 rated for at 400 V?

The BF38T4A048 is rated for 18.5 kW in AC-3 duty at 400 V.

How is the Lovato BF38T4A048 mounted?

The contactor can be installed using screw fixing or a 35 mm DIN rail for flexible integration into industrial electrical panels and control cabinets.

Industrial Switching from Lovato Electric

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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