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RF829500 – OVERLOAD RELAY 70-95A BF40-BF80
Lovato RF829500 is a three-pole Class 10A thermal overload motor protection relay with a 70-95 A operational current range, phase-failure sensitivity and direct mounting on BF40-BF94 contactors.
£130.83
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.
Technical Specifications
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| Current Range | 70–95 A | |
|---|---|---|
| Device Type | Thermal Overload Relay | |
| Compatible With | BF40–BF80 | |
| Load Voltage | 690 V | |
| Monitoring Function | Temperature / thermistor | |
| Monitored Supply | Single-phase | |
| Reset Type | Manual | |
| HS Code | 85364900 | |
| Manufacturer | Lovato Electric | |
| Series | RF82 | |
| Model | RF829500 | |
| Product type | Thermal overload motor protection relay | |
| Number of poles | 3 | |
| Release type | Thermal | |
| Operational current | 70–95 A | |
| Rated operational voltage | 690 V | |
| Rated insulation voltage Ui | 690 V | |
| Rated impulse withstand voltage Uimp | 8 kV | |
| Operational frequency | 0–400 Hz | |
| Tripping class | 10A | |
| Phase failure detection | Yes | |
| Reset mode | Manual | |
| Test button | Yes | |
| Trip indicator | Yes | |
| Frontal protection rating | IP20 | |
| Overvoltage category | III | |
| Pollution degree | 3 | |
| Mounting type | Direct mounting on BF40–BF94 contactors | |
| Terminal type | Yoke clamp | |
| Terminal screw | M5 | |
| Terminal width | 9 mm | |
| Operating temperature | -20–55 °C | |
| Storage temperature | -55–80 °C | |
| Maximum altitude | 3000 m | |
| Operating position | Vertical plane, ±30° allowable | |
| Weight | 380 g | |
| Quantity per package | 1 | |
| Package dimensions | 97 × 65 × 90 mm | |
| Package volume | 567.45 cm³ | |
| EAN | 8013975243800 |
Frequently Asked Questions
What is the Lovato RF829500 used for?
The RF829500 is a three-pole thermal overload motor protection relay designed to protect three-phase motors against overload and phase failure conditions.
What is the current range of the Lovato RF829500?
The RF829500 has an adjustable operational current range of 70–95 A.
Which contactors can the RF829500 be mounted on?
The RF829500 is designed for direct mounting on Lovato BF40–BF94 contactors.
What tripping class does the RF829500 use?
The Lovato RF829500 has a Class 10A tripping characteristic.
Does the RF829500 provide phase failure detection?
Yes. The RF829500 is phase-failure and single-phase sensitive and uses manual resetting after a trip.
Trusted Motor Protection from Lovato Electric
The Lovato RF829500 combines adjustable thermal overload protection, phase-failure sensitivity and direct BF contactor mounting for dependable motor protection in industrial control applications.
