RFA826500 - OVERLOAD RELAY 46-65A BF40-BF80 AUTO

Why Choose the RFA826500?

The Lovato RFA826500 thermal overload relay provides dependable motor protection for three‑phase applications. This phase failure/single‑phase sensitive device is three‑pole and features automatic resetting for swift recovery after trips. Designed for direct mounting on BF40 to BF94 contactors, it covers an operational current range of 46…65 A, making it a precise fit for BF‑series starters and helping streamline assembly in industrial control panels.

Engineered to recognised standards IEC/EN 60947‑1 and 60947‑4‑1, with UL508 and CSA C22.2 n° 14 compliance, it delivers Ui 690 V insulation and 8 kV impulse withstand capability. Frontal IP20 protection, pollution degree 3, and operation from −20 to 55 °C (storage −55 to 80 °C) support reliable use up to 3000 m altitude. Terminals accept 3.9 to 3.9 Nm tightening torque, and the device weighs 365 g.

Key Benefits

• Automatic reset reduces downtime after overload trips.
• Phase failure/single‑phase sensitive protection enhances motor safety.
• Direct mounting on BF40–BF94 contactors speeds installation.
• Operates across 46…65 A for matching BF‑series starters.
• High insulation ratings: Ui 690 V and Uimp 8 kV.
• Frontal IP20 with pollution degree 3 for enclosed panel use.
• Wide ambient range −20 to 55 °C; altitude up to 3000 m.
• Conforms to IEC/EN, UL, and CSA standards for compliance.

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 RFA826500 thermal overload relay
• Basic installation and safety information
• Product datasheet (digital download)
• Protective packaging

Applications

• Three‑phase motor circuits requiring overload and phase‑failure protection
• Control panels built around Lovato BF40…BF94 contactors
• Installations requiring automatic resetting after overload trips
• Systems operating within the 46…65 A motor current range
• Equipment designed for IP20 frontal protection and pollution degree 3

Safety note: Install and commission only by qualified personnel in accordance with applicable standards. Match the application to the 46…65 A range and use within the stated environmental ratings, including IP20 frontal protection.