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BFK1810A048 – 3P CONTACTOR 15KVAR 48V 50/60HZ
Lovato BFK1810A048 is a three-pole power factor correction contactor with integrated limiting resistors, rated at 15 kvar at 400 V AC-6b and fitted with a 48 V AC 50/60 Hz coil for capacitor bank switching.
£57.30
Why Choose the Lovato BFK1810A048 Power Factor Correction Contactor?
The Lovato BFK1810A048 is a specialised three-pole power factor correction contactor designed for reliable switching of capacitor banks in industrial and commercial electrical installations. As part of the Lovato BFK18 contactor series, it incorporates limiting resistors to reduce the high inrush currents associated with capacitor switching.
The BFK1810A048 provides a maximum IEC AC-6b operational power rating of 15 kvar at 400 V and features a 48 V AC 50/60 Hz coil. Its capacitor-switching design makes it particularly suitable for automatic power factor correction panels where dependable operation and reduced switching stress are required.
With a conventional free-air thermal current of 32 A, rated insulation voltage of 690 V and rated impulse withstand voltage of 6 kV, the BFK1810A048 is engineered for demanding low-voltage installations. Screw fixing or 35 mm DIN rail mounting allows straightforward integration into power factor correction panels and electrical control cabinets.
Key Advantages
- Purpose-designed contactor for power factor correction and capacitor switching.
- 15 kvar IEC AC-6b operational power at 400 V.
- Integrated limiting resistors help control capacitor switching inrush current.
- 48 V AC 50/60 Hz coil for compatible industrial control circuits.
- 32 A conventional free-air thermal current at up to 40°C.
- Flexible screw or 35 mm DIN rail mounting for electrical panel installation.
Key Features
- Lovato BFK18 power factor correction contactor series.
- Three-pole power contactor.
- 15 kvar rated operational power at 400 V AC-6b.
- 48 V AC 50/60 Hz rated coil voltage.
- Integrated limiting resistors for capacitor switching.
- 32 A conventional free-air thermal current.
- 690 V rated insulation voltage.
- 6 kV rated impulse withstand voltage.
- Screw fixing or 35 mm DIN rail mounting.
Reliable Capacitor Switching for Power Factor Correction
Power factor correction contactors such as the Lovato BFK1810A048 are specifically engineered for switching capacitor banks. Capacitors can produce substantial inrush currents when energised, so the BFK design incorporates limiting resistors that reduce switching stress and help protect components within the power factor correction system.
The BFK1810A048 provides 15 kvar at 400 V AC-6b and is intended for three-phase capacitor switching. Its dedicated construction makes it suitable for automatic power factor correction equipment used to compensate reactive power in industrial and commercial electrical installations.
Typical Applications
- Automatic power factor correction panels.
- Three-phase capacitor bank switching.
- Industrial reactive power compensation systems.
- Commercial electrical distribution installations.
- Power factor correction equipment and control cabinets.
- OEM capacitor switching and compensation systems.
Technical Specifications
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| Coil Voltage Range | 42–48 V | |
|---|---|---|
| Device Type | Capacitor Switching Contactor | |
| Poles | 3-pole | |
| Coil / Supply Voltage | 48 V AC | |
| Coil Type | AC | |
| Current AC-1 | 32 A | |
| HS Code | 85365080 | |
| Manufacturer | Lovato Electric | |
| Series | BFK18 | |
| Model | BFK1810A048 | |
| Product type | Contactor for power factor correction with AC control circuit | |
| Number of poles | 3 | |
| Coil type | AC coil 50/60 Hz | |
| Rated coil voltage | 48 V AC | |
| Rated operational power AC-6b at 230 V | 9 kvar | |
| Rated operational power AC-6b at 400 V | 15 kvar | |
| Rated operational power AC-6b at 440–480 V | 17 kvar | |
| Rated operational power AC-6b at 690 V | 20 kvar | |
| IEC conventional free-air thermal current Ith (≤40°C) | 32 A | |
| Rated insulation voltage Ui | 690 V | |
| Rated impulse withstand voltage Uimp | 6 kV | |
| Operational frequency | 25–400 Hz | |
| Short-time allowable current for 10 s | 200 A | |
| Making capacity | 180 A RMS | |
| Breaking capacity at 440 V | 144 A | |
| Breaking capacity at 500 V | 120 A | |
| Breaking capacity at 690 V | 94 A | |
| Recommended gG protection fuse | 40 A | |
| Resistance per pole | 2.5 mΩ | |
| Power dissipation per pole at Ith | 2.6 W | |
| Main terminal tightening torque | 1.5–1.8 Nm | |
| Mounting type | Screw / DIN rail 35 mm | |
| Weight | 460 g | |
| EAN | 8013975163269 |
Frequently Asked Questions
What is the Lovato BFK1810A048 used for?
The BFK1810A048 is a three-pole contactor designed specifically for switching capacitor banks in power factor correction systems.
What is the power rating of the BFK1810A048 at 400 V?
The BFK1810A048 has an IEC AC-6b rated operational power of 15 kvar at 400 V.
What coil voltage does the BFK1810A048 require?
The BFK1810A048 uses a 48 V AC 50/60 Hz coil for operation from compatible AC control circuits.
Does the BFK1810A048 include limiting resistors?
Yes. The BFK1810A048 incorporates limiting resistors designed to reduce the high inrush current associated with capacitor switching.
How is the Lovato BFK1810A048 mounted?
The BFK1810A048 supports screw fixing or installation on a standard 35 mm DIN rail, making it suitable for power factor correction panels and electrical control cabinets.
Trusted Power Factor Correction Switching
Lovato Electric BFK contactors are purpose-designed for capacitor switching in power factor correction systems, combining integrated inrush-current limiting resistors with dependable electrical performance for industrial and commercial installations.
