Lovato BFK3200A04860 is a three-pole capacitor contactor with integrated limiting resistors, a 25 kvar AC-6b rating at 400 V and a 48 V AC 60 Hz coil.
£155.12
The Lovato BFK3200A04860 is a specialised three-pole capacitor contactor for power factor correction systems. As part of the Lovato BFK32 series, it is designed to switch three-phase capacitor banks while managing the high transient current generated during capacitor energisation.
This contactor incorporates limiting resistors that are connected during the initial switching stage. These resistors reduce capacitor inrush current before the main contacts complete the connection, helping protect the contactor, capacitors and associated electrical equipment from excessive electrical and mechanical stress.
The BFK3200A04860 provides an AC-6b operational rating of 25 kvar at 400 V and uses a 48 V AC coil designed for 60 Hz operation. Screw and 35 mm DIN-rail mounting options support straightforward installation in automatic power factor correction panels.
Power factor correction capacitor banks can draw very high transient currents when energised, particularly when other capacitors are already connected to the supply. A conventional motor contactor is not specifically designed to manage these capacitor-switching conditions.
The Lovato BFK3200A04860 uses early-make contacts and limiting resistors to reduce the initial charging current. After the transient has been limited, the main contacts close and bypass the resistors, providing the normal operating connection to the capacitor bank.
| HS Code | 85365080 |
|---|---|
| Manufacturer | Lovato Electric |
| Series | BFK32 |
| Model | BFK3200A04860 |
| Product type | Capacitor contactor for power factor correction |
| Number of poles | 3 |
| Inrush-current control | Integrated limiting resistors |
| Utilisation category | AC-6b |
| Coil type | AC, 60 Hz |
| Rated coil voltage | 48 V AC |
| AC-6b operational power at 230 V | 14 kvar |
| AC-6b operational power at 400 V | 25 kvar |
| AC-6b operational power at 440–480 V | 27.5 kvar |
| AC-6b operational power at 690 V | 30 kvar |
| Conventional thermal current | 56 A |
| Rated insulation voltage | 690 V |
| Rated impulse withstand voltage | 6 kV |
| Operational frequency | 25–400 Hz |
| Short-time current for 10 s | 320 A |
| Making capacity | 320 A RMS |
| Breaking capacity at 440 V | 256 A |
| Breaking capacity at 500 V | 240 A |
| Breaking capacity at 690 V | 192 A |
| Recommended gG fuse | 63 A |
| Average resistance per pole | 2 mΩ |
| Terminal tightening torque | 2.5–3 Nm |
| Coil inrush consumption | 75 VA |
| Coil holding consumption | 9 VA |
| Power-terminal protection | IP20 when correctly wired |
| Mounting | Screw or 35 mm DIN rail |
| Operating position | Vertical, ±30° allowable |
| Mechanical endurance | 20 million cycles |
| Electrical endurance | 1.6 million cycles |
| Maximum mechanical operating frequency | 3,600 cycles/hour |
The BFK3200A04860 is used to switch three-phase capacitor banks in automatic and fixed power factor correction systems.
The contactor has an AC-6b operational power rating of 25 kvar at 400 V.
The limiting resistors reduce the high transient current produced when a capacitor bank is energised, helping protect the contacts and connected equipment.
The BFK3200A04860 has a 48 V AC coil designed specifically for 60 Hz operation.
The contactor can be secured with screws or mounted on a standard 35 mm DIN rail.
Lovato Electric BFK series capacitor contactors provide controlled switching for power factor correction systems, combining inrush-current limiting technology with robust electrical performance and practical panel installation.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...