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RFA824200 - OVERLOAD RELAY 28-42A BF40-BF80 AUTO
MPN: RFA824200
Why Choose the RFA824200?
Lovato’s RFA824200 thermal overload relay delivers dependable motor protection with phase failure/single‑phase sensitivity. This three‑pole, automatic‑reset unit mounts directly on BF40–BF94 contactors for rapid assembly and a compact footprint. With a 28–42 A setting range and IP20 frontal protection, SKU RFA824200 helps safeguard three‑phase motors and maintain uptime in control panels across manufacturing, utilities, and building services.
Built for harsh conditions, it offers Ui 690 V insulation and 8 kV impulse withstand, Pollution Degree 3, and reliable operation from -20 to 55 °C up to 3000 m altitude. Conformity with IEC/EN 60947-1 and 60947-4-1, UL508 and CSA C22.2 No.14 supports global acceptance and panel compliance, while robust construction and precise adjustment support consistent protection in demanding motor control applications.
Key Benefits
- Phase failure/single-phase sensitivity ensures dependable three-phase motor protection.
- Automatic resetting reduces downtime after temporary overload events.
- Direct mounting on BF40–BF94 contactors speeds installation and saves space.
- Adjustable 28–42 A range suits varied motor ratings.
- Three-pole design tailored for three-phase applications.
- IP20 frontal protection enhances safety during panel access.
- High dielectric strength: Ui 690 V and Uimp 8 kV.
Technical Specification
- Number of poles: 3
- Pollution degree: 3
- IP degree (frontal): IP20
- Rated insulation voltage Ui (IEC/EN): 690 V
- Rated impulse withstand voltage Uimp: 8 kV
- Terminal tightening torque: 3.9 to 3.9 Nm
- Ith (IEC): 10 A
- Operating temperature: -20 to 55 °C
- Storage temperature: -55 to 80 °C
- Max altitude: 3000 m
- Weight: 365 g
What’s Included
- Lovato RFA824200 thermal overload relay
- Installation and safety leaflet
- Manufacturer datasheet (online)
Applications
- Three-phase motor protection in industrial control panels
- OEM builds using BF40–BF94 contactors
- Pumps, fans, compressors and conveyor drives
- HVAC motor control centres and building services
Frequently Asked Questions
What current range does the RFA824200 cover?
Does this relay reset automatically or manually?
Which contactors can it mount on directly?
Which standards does the RFA824200 conform to?
What are the environmental and protection ratings?
Safety note: Installation and adjustment must be performed by qualified personnel. Isolate power before work, set the current correctly, and ensure compatibility with the specified BF contactors and applicable standards.
| Manufacturer Part Number | RFA824200 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85364900 |
| Barcode | 8013975224908 |