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RF380063 – T/O RELAY 0 4-0 63A
Lovato RF380063 is a three-pole Class 10A thermal overload motor protection relay with a 0.40-0.63 A operational current range and direct mounting on BF09-BF38 contactors.
£39.96
Why Choose the Lovato RF380063 Motor Protection Relay?
The Lovato RF380063 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 RF38 motor protection relay series, it provides an adjustable operational current range of 0.40–0.63 A and is designed for direct mounting on compatible Lovato BF09–BF38 contactors.
The RF380063 features a Class 10A thermal release, phase-failure detection, manual or automatic resetting and integrated test and trip indication functions. These features support reliable motor protection, commissioning and maintenance in industrial control applications.
With a rated operational voltage of 690 V, rated insulation voltage of 690 V and IP20 frontal protection, the RF380063 provides a compact protection solution for motor starters, automation panels and industrial electrical systems.
Key Advantages
- 0.40–0.63 A adjustable current range for precise motor overload protection.
- Three-pole thermal overload relay for three-phase motor applications.
- Phase-failure sensitive design for enhanced motor protection.
- Manual or automatic reset selection for flexible operation.
- Class 10A tripping characteristic suitable for industrial motor protection.
- Direct mounting on Lovato BF09–BF38 contactors for compact motor starter assemblies.
Key Features
- Lovato RF38 thermal overload relay series.
- 0.40–0.63 A operational current range.
- 690 V rated operational voltage.
- 690 V rated insulation voltage Ui.
- 6 kV rated impulse withstand voltage Uimp.
- Class 10A thermal tripping protection.
- IP20 frontal protection rating.
- Integrated test button and trip indicator.
- Manual or automatic resetting.
- 1NO + 1NC auxiliary contacts for signalling and control circuits.
Reliable Thermal Overload Protection for Industrial Motors
Thermal overload relays protect motors by monitoring current and disconnecting the motor circuit when overload conditions occur. The Lovato RF380063 combines adjustable current protection with phase-failure sensitivity and Class 10A tripping performance for dependable three-phase motor protection.
Designed for direct installation on Lovato BF09–BF38 contactors, the RF380063 provides a compact motor starter solution. Its manual or automatic reset selection, test button and trip indicator simplify operation, commissioning and maintenance.
Typical Applications
- Three-phase industrial motor protection.
- Motor starters using Lovato BF09–BF38 contactors.
- Industrial machinery and automation equipment.
- Pumps, fans and material handling systems.
- Electrical control panels and motor control centres.
- Industrial production and processing equipment.
Technical Specifications
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| Current Range | 0.4–0.63 A | |
|---|---|---|
| Compatible With | BF09–BF38 | |
| Device Type | Thermal Overload Relay | |
| Terminal Type | Screw | |
| Monitored Supply | Single-phase | |
| Reset Type | Manual or automatic | |
| Load Voltage | 690 V | |
| Monitoring Function | Temperature / thermistor | |
| Contacts | 1NO + 1NC | |
| HS Code | 85364900 | |
| Manufacturer | Lovato Electric | |
| Series | RF38 | |
| Model | RF380063 | |
| Product type | Thermal overload motor protection relay | |
| Number of poles | 3 | |
| Release type | Thermal | |
| Operational current | 0.40–0.63 A | |
| Rated operational voltage | 690 V | |
| Rated insulation voltage Ui | 690 V | |
| Rated impulse withstand voltage Uimp | 6 kV | |
| Operational frequency | 0–400 Hz | |
| Tripping class | 10A | |
| Phase failure detection | Yes | |
| Reset mode | Manual or automatic | |
| Auxiliary contacts | 1 NO + 1 NC | |
| Frontal protection rating | IP20 | |
| Mounting type | Direct mounting on BF09–BF38 contactors | |
| Terminal type | Screw and washer | |
| Power terminal screw | M4 | |
| Operating temperature | -25–60 °C | |
| Storage temperature | -50–70 °C | |
| Maximum altitude | 3000 m | |
| Weight | 160 g |
Frequently Asked Questions
What is the Lovato RF380063 used for?
The RF380063 is a three-pole thermal overload motor protection relay designed to protect compatible three-phase motors against overload and phase failure conditions.
What is the current range of the Lovato RF380063?
The RF380063 has an adjustable operational current range of 0.40–0.63 A.
Which contactors can the RF380063 be mounted on?
The RF380063 is designed for direct mounting on Lovato BF09–BF38 contactors.
What tripping class does the RF380063 use?
The Lovato RF380063 has a Class 10A tripping characteristic.
Can the Lovato RF380063 be reset automatically?
Yes. The RF380063 supports both manual and automatic resetting.
Trusted Motor Protection from Lovato Electric
The Lovato RF380063 combines adjustable thermal overload protection, phase-failure detection and direct BF contactor mounting for dependable motor protection in industrial control applications.
