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BF40T4A230 Lovato contactor 4 pole AC3:40A 18.5kw 230VAC coil
MPN: BF40T4A230
Why Choose the BF40T4A230?
Choose the Lovato BF40T4A230 four-pole contactor for dependable switching across industrial and photovoltaic applications. Rated Ith (AC1) 70A and AC3 40A at 400V (18.5kW), it pairs a 230VAC 50/60Hz coil with screw or 35mm DIN rail mounting for fast installation. With Ui 1000V and Uimp 8kV, this BF40 series device offers robust performance in demanding control panels.
Built for longevity and harsh environments, it delivers 15,000,000 mechanical cycles and operates from -50 to 70 °C, with storage from -60 to 80 °C and use up to 3000 m. Terminal screws tighten to 4–5 Nm. Conforms to IEC/EN/BS 60947-1 and 60947-4-1, plus UL and CSA equivalents, supporting reliable integration in UK and global installations.
Key Benefits
- 70A Ith (AC1) capacity for dependable general-purpose load switching
- 40A AC3 at 400V, 18.5kW, suitable for motor control duties
- 230VAC 50/60Hz coil compatible with common control voltages
- Four-pole configuration ideal for photovoltaic and multi-circuit applications
- DIN rail or screw mounting enables quick, flexible panel installation
- High dielectric strength: Ui 1000V and Uimp 8kV ratings
- Wide operating temperature range from -50 to 70 °C
- Long mechanical life rated at 15,000,000 cycles
Technical Specification
- Product type designation: BF40
- Number of poles: 4
- Rated insulation voltage Ui (IEC/EN): 1000 V
- Rated impulse withstand voltage Uimp: 8 kV
- Ith (IEC): 70 A
- Terminal tightening torque: 4 to 5 Nm
- Weight: 1240 g
- Mechanical life: 15000000 cycles
- Operating temperature: -50 to 70 °C
- Storage temperature: -60 to 80 °C
- Max altitude: 3000 m
- Pollution degree: 3
What’s Included
- BF40T4A230 four-pole contactor
- Installation and safety instructions
- Manufacturer packaging
Applications
- Photovoltaic system switching and isolation duties
- Motor starters up to 18.5kW at 400V (AC3)
- General-purpose AC1 load switching up to 70A
- Industrial control panels and distribution boards
- Multi-pole circuit control requiring four poles
Frequently Asked Questions
What coil voltage and frequency does this contactor use?
Is the BF40T4A230 suitable for photovoltaic applications?
What is the AC3 rating at 400V?
How can this contactor be mounted?
Which standards does it conform to?
Safety note: Installation must be performed by qualified personnel with supply isolated. Tighten terminals to 4–5 Nm and operate within the stated ratings and temperatures, following applicable standards and local regulations.
| Manufacturer Part Number | BF40T4A230 |
|---|---|
| Manufacturer | Lovato |
| KW Rating | 18.5kW |
| Number of Poles | 4 Pole |
| Coil Voltage | 230VAC |
| AC3 Amperage | 40A |
| AC1 Amperage | 70A |
| Barcode | 8013975222928 |