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BF0031A400 - CONTROL RELAY 3NO+1NC 400V 50/60HZ
MPN: BF0031A400
Why Choose the BF0031A400?
The Lovato BF0031A400 control relay delivers reliable switching for AC and DC control circuits. Featuring an AC coil 50/60Hz at 400VAC, this 4‑pole unit provides 3NO + 1NC auxiliary contacts for versatile control logic. Designed for DIN rail 35mm or screw mounting, it supports Ui 690 V and Uimp 6 kV, with an Ith of 10 A to suit demanding industrial panels and automation tasks.
Built for longevity and harsh environments, the BF00 series device offers 20,000,000 mechanical cycles, -50 to 70 °C operation, and up to 3000 m altitude with pollution degree 3. Terminal screws tighten to 1.5–1.8 Nm, and the unit weighs 366 g. Compliant with IEC/EN 60947-1 and 60947-5-1 plus UL and CSA equivalents, it integrates seamlessly into global panels.
Key Benefits
- AC coil 50/60Hz, 400VAC for stable control across common supplies.
- 4-pole, 3NO+1NC contacts enable flexible interlocking and signalling.
- High insulation ratings Ui 690 V and Uimp 6 kV enhance safety margins.
- Rated Ith 10 A supports robust switching in control circuits.
- Wide operating temperature -50 to 70 °C for harsh environments.
- DIN rail 35mm or screw mounting simplifies panel installation.
- Long mechanical life of 20,000,000 cycles reduces maintenance.
- Certified to IEC/EN, UL, CSA standards for global compliance.
Technical Specification
- Product type designation: BF00
- Number of poles: 4
- Rated insulation voltage Ui (IEC/EN): 690 V
- Rated impulse withstand voltage Uimp: 6 kV
- Ith (IEC): 10 A
- Terminal tightening torque: 1.5 to 1.8 Nm
- Weight: 366 g
- Mechanical life: 20000000 cycles
- Operating temperature: -50 to 70 °C
- Storage temperature: -60 to 80 °C
- Max altitude: 3000 m
- Pollution degree: 3
What’s Included
- Lovato BF0031A400 control relay
- Installation leaflet
Applications
- Industrial control panels and automation cabinets
- Interlocking, signalling and auxiliary control circuits
- Machine control, conveyors and material handling systems
- HVAC and building services control panels
Frequently Asked Questions
What is the coil voltage and frequency?
What contact configuration does this relay provide?
How can the BF0031A400 be mounted?
What environmental limits should I consider?
Which standards does it conform to?
Safety note: Ensure power is isolated before installation or maintenance. Tighten terminals to 1.5–1.8 Nm and adhere to applicable IEC/EN, UL, and CSA standards when commissioning.
| Manufacturer Part Number | BF0031A400 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85365080 |
| Barcode | 8013975162699 |
| Coil Voltage | 400V |