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RFN380063 – T/O RELAY 0 4-0 63A MAN/AUTO
Lovato RFN380063 thermal motor protection relay with a 0.40–0.63 A adjustable current range designed for three-phase motor overload protection and industrial control applications.
£41.45
Why Choose the Lovato RFN380063 Motor Protection Relay?
The Lovato RFN380063 is a reliable thermal motor protection relay designed to protect three-phase motors against overload conditions in industrial motor control applications. As part of the Lovato RFN38 series, it provides dependable motor protection and straightforward integration with compatible Lovato contactors.
This motor protection relay provides thermal overload protection with a flexible current adjustment range, helping safeguard motors from excessive current conditions. Its compact construction and direct mounting design make it suitable for use in electrical control panels and motor starter assemblies.
With an adjustable operating current range of 0.40–0.63 A, the RFN380063 is designed for protecting small industrial motors. The relay supports manual or automatic resetting and is suitable for direct mounting on Lovato BF09–BF38 contactors.
Key Advantages
- Reliable thermal motor overload protection for industrial applications.
- 0.40–0.63 A adjustable current range for accurate motor protection.
- Three-pole three-phase design for AC motor circuits.
- Flexible manual or automatic reset operation.
- Direct mounting on Lovato BF09–BF38 contactors for simplified installation.
- Compact design suitable for industrial control panels.
Key Features
- Lovato RFN38 motor protection relay series.
- 0.40–0.63 A adjustable overload setting.
- Three-pole thermal overload protection.
- 10A tripping class for motor protection applications.
- Manual or automatic reset functionality.
- Integrated test button and trip indicator.
- 1NO + 1NC auxiliary contacts for control and signalling.
- Direct mounting capability on BF09–BF38 contactors.
- IP20 front protection rating.
Reliable Motor Protection for Industrial Systems
Thermal motor protection relays such as the Lovato RFN380063 monitor motor current and help prevent damage caused by overload conditions. By disconnecting the motor circuit during excessive current events, they improve equipment reliability and operational safety.
The RFN38 series is designed for industrial automation and motor control applications where dependable overload protection and efficient installation are required. Its direct contactor mounting design helps reduce panel space requirements and simplify assembly.
Typical Applications
- Industrial motor control panels.
- Pumps and ventilation equipment.
- Conveyor and material handling systems.
- Small machinery and automation equipment.
- Manufacturing and processing systems.
- OEM electrical control assemblies.
Technical Specifications
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| Current Range | 0.4–0.63 A | |
|---|---|---|
| Compatible With | BF09–BF38 | |
| Device Type | Thermal Overload Relay | |
| Load Voltage | 690 V | |
| Monitoring Function | Temperature / thermistor | |
| Monitored Supply | Single-phase | |
| Reset Type | Manual or automatic | |
| Contacts | 1NO + 1NC | |
| IP Rating | IP20 | |
| HS Code | 85364900 | |
| Manufacturer | Lovato Electric | |
| Series | RFN38 Motor Protection Relays | |
| Model | RFN380063 | |
| Product type | Thermal motor protection relay | |
| Number of poles | 3 | |
| Adjustable current range | 0.40–0.63 A | |
| Tripping class | 10A | |
| Reset mode | Manual or automatic | |
| Auxiliary contacts | 1NO + 1NC | |
| Rated insulation voltage | 690 V | |
| Rated impulse withstand voltage | 6 kV | |
| Rated operational voltage | 690 V | |
| Protection rating | IP20 | |
| Mounting type | Direct mounting on BF09–BF38 contactors | |
| Weight | approx. 160 g |
Frequently Asked Questions
What is the Lovato RFN380063 used for?
The RFN380063 is a thermal motor protection relay designed to protect three-phase AC motors from overload conditions in industrial applications.
What current range does this relay support?
The relay supports an adjustable operating current range of 0.40–0.63 A.
Which contactors is the RFN380063 compatible with?
The relay is designed for direct mounting on Lovato BF09–BF38 contactors.
What reset options are available?
The relay supports both manual and automatic reset modes depending on the application requirements.
What protection class does this relay use?
The RFN380063 uses a 10A thermal tripping class for motor overload protection.
Trusted by Industrial Control Engineers
Lovato RFN38 motor protection relays provide dependable overload protection, flexible installation options and reliable motor safeguarding for industrial control applications.
