Lovato BF18T4D125 four-pole contactor with 4NO contacts, 32 A AC-1 rating, 18 A AC-3 rating at 400 V, 125 V DC coil and screw or 35 mm DIN rail mounting for industrial control panels.
£161.38
The Lovato BF18T4D125 is a dependable four-pole industrial contactor designed for reliable switching and control of motors, machinery and electrical loads in industrial automation systems. Part of the established Lovato BF18 contactor series, it combines compact construction, high switching capability and long service life for demanding industrial applications.
This contactor features a 125 V DC coil and a 4NO four-pole contact configuration, making it suitable for motor starters, industrial control panels, OEM machinery and automation systems. Its robust design supports easy installation using screw terminals or standard 35 mm DIN rail mounting.
With an IEC AC-1 thermal current rating of 32 A and an AC-3 rating of 18 A at 400 V, the BF18T4D125 is suitable for motor applications up to approximately 7.5 kW at 400 V AC. The contactor includes a 125 V DC control coil, 690 V insulation rating and is designed for reliable industrial switching performance.
The Lovato BF18T4D125 provides dependable switching control for industrial motors and electrical loads. Contactors allow low-power control circuits to safely operate higher-power equipment, improving automation efficiency and system reliability.
Designed for machine builders, panel manufacturers and automation engineers, the BF18 series combines compact construction, reliable switching performance and compatibility with international standards. Its 125 V DC coil configuration makes it suitable for industrial control systems requiring stable DC operation.
| Power | 7.5 kW |
|---|---|
| Current | 32 A |
| Voltage | 125 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | BF Contactors |
| Product type | Four-pole power contactor |
| Product type designation | BF18 |
| Contact configuration | 4NO |
| Number of poles | 4 |
| Coil type | DC coil |
| Rated coil voltage | 125 V DC |
| DC coil pick-up voltage | 70 to 125% Us |
| DC coil drop-out voltage | 10 to 40% Us |
| Average coil consumption | 5.4 W inrush and holding |
| IEC thermal current Ith AC-1 at 40 °C | 32 A |
| IEC operating current AC-1 at 55 °C | 26 A |
| IEC operating current AC-1 at 70 °C | 23 A |
| IEC operating current AC-3 at 400 V | 18 A |
| IEC operating current AC-4 at 400 V | 8.5 A |
| Rated operational power AC-3 at 400 V | 7.5 kW |
| Rated operational power AC-1 at 230 V | 12 kW |
| Rated operational power AC-1 at 400 V | 21 kW |
| Rated operational power AC-1 at 500 V | 26 kW |
| Rated operational power AC-1 at 690 V | 36 kW |
| Rated insulation voltage Ui | 690 V |
| Rated impulse withstand voltage Uimp | 6 kV |
| UL / CSA horsepower rating at 480 V | 10 HP |
| UL / CSA horsepower rating at 600 V | 15 HP |
| Rated operational voltage UL | 600 V AC |
| General use AC current UL | 32 A |
| Protection fuse | 32 A gG or 20 A aM |
| 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 |
| Resistance per pole | approximately 2.5 mΩ |
| Terminal type | Screw terminals |
| Terminal tightening torque | 1.5 to 1.8 Nm |
| Coil terminal tightening torque | 0.8 to 1 Nm |
| Maximum flexible conductor section without lug | 6 mm² |
| Cable stripping length | 10 mm main circuit, 8 mm command circuit |
| Mounting type | Screw fixing or 35 mm DIN rail |
| Protection rating | IP20 when correctly wired |
| Operating position | Vertical plane, allowable inclination ±30° |
| Operating temperature | -50 °C to +70 °C |
| Storage temperature | -60 °C to +80 °C |
| Maximum altitude | 3000 m |
| Pollution degree | 3 |
| Mechanical life | 20,000,000 cycles |
| Electrical life | 1,600,000 cycles |
| Weight | 496 g |
| Package dimensions | 93 x 48 x 110 mm |
| Volume | 491.04 cm³ |
| EAN | 8013975166864 |
| Standards | IEC/EN/BS 60947-4-1, IEC/EN/BS 60947-1, UL 60947-4-1, UL 60947-1, CSA C22.2 60947-4-1, CSA C22.2 60947-1 and IEC/EN 60335-2-89 |
| HS Code | 85365080 |
The BF18T4D125 is a four-pole industrial contactor used for switching and controlling motors and electrical loads in automation systems.
The contactor uses a 125 V DC coil designed for industrial control applications.
The contactor has an AC-1 rating of 32 A and an AC-3 rating of 18 A at 400 V.
The BF18T4D125 features a four-pole 4NO contact arrangement.
The contactor can be installed using screw terminals or mounted on a standard 35 mm DIN rail.
Lovato BF18 contactors are widely used in industrial automation, motor control and electrical switching systems where reliable performance, compact installation and long service life are required.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...
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...