Why Choose the Lovato RF829500 Motor Protection Relay?
The Lovato RF829500 is a robust three-pole thermal overload motor protection relay designed to protect three-phase motors against overload and phase failure conditions. Part of the Lovato RF82 motor protection relay series, it provides an adjustable operational current range of 70–95 A and is designed for direct mounting on Lovato BF40–BF94 contactors.
The RF829500 is phase-failure and single-phase sensitive and uses manual resetting for controlled restoration after a trip. Its Class 10A tripping characteristic, integrated test button and trip indicator support dependable motor protection, commissioning and fault identification in industrial installations.
With a rated operational voltage and insulation voltage of 690 V, an 8 kV rated impulse withstand voltage and an operational frequency range of 0–400 Hz, the RF829500 provides a versatile protection solution for industrial motor starters and control panels.
Key Advantages
- 70–95 A adjustable operational current range for motor overload protection.
- Three-pole thermal overload relay for three-phase motor applications.
- Phase-failure and single-phase sensitive design for enhanced motor protection.
- Manual reset provides controlled restoration following a trip.
- Class 10A tripping characteristic for motor overload protection.
- Direct mounting on Lovato BF40–BF94 contactors for compact motor starter assemblies.
Key Features
- Lovato RF82 thermal overload relay series.
- 70–95 A operational current range.
- 690 V rated operational voltage.
- 690 V rated insulation voltage Ui.
- 8 kV rated impulse withstand voltage Uimp.
- 0–400 Hz operational frequency.
- Class 10A thermal overload protection.
- IP20 frontal protection rating.
- Integrated test button and trip indicator.
- Yoke clamp terminals with M5 screws.
Reliable Thermal Overload Protection for Industrial Motors
Thermal overload relays help protect electric motors by responding when sustained current exceeds the selected operating range. The Lovato RF829500 combines an adjustable 70–95 A current setting with phase-failure sensitivity and a Class 10A tripping characteristic for dependable three-phase motor protection.
Designed for direct mounting on Lovato BF40–BF94 contactors, the RF829500 supports compact motor starter construction. Its manual reset, test button and trip indicator provide straightforward operation, testing and fault identification in industrial motor control systems.
Typical Applications
- Three-phase industrial motor protection.
- Motor starters using Lovato BF40–BF94 contactors.
- Industrial machinery and production equipment.
- Pumps, fans and material handling systems.
- Electrical control panels and motor control centres.
- Industrial automation and process equipment.