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RFN380063 - T/O RELAY 0 4-0 63A MAN/AUTO
MPN: RFN380063
Special Price
£47.42
£39.52
Regular Price
£79.03
Why Choose the RFN380063?
Safeguard three-phase motors with the Lovato RFN380063 thermal overload relay. This three-pole motor protection relay covers 0.4 to 0.63 A and offers manual or automatic resetting for flexible maintenance. Designed for direct mounting on BF09–BF38 contactors, it is a non phase failure / non single‑phase sensitive device, providing dependable overload protection within compact motor starter assemblies across industrial control panels.
Built for reliability, the RFN380063 delivers a rated insulation voltage of 690 V and 6 kV impulse withstand, with IP20 frontal protection. It operates from −25 to 60 °C up to 3000 m altitude and conforms to IEC/EN 60947-1 and 60947-4-1, UL508 and CSA C22.2 n° 14, making it a robust choice for compliant, space-saving motor starter applications.
Key Benefits
- Direct mounting on BF09–BF38 contactors for quick, compact installations.
- Adjustable 0.4–0.63 A range suits small three-phase motor protection.
- Manual or automatic reset for flexible commissioning and maintenance.
- Three-pole design for balanced protection across all phases.
- Rated insulation voltage 690 V and 6 kV impulse withstand.
- Operates from −25 to 60 °C, up to 3000 m altitude.
- IP20 frontal protection and Pollution degree 3 durability.
- Compliant with IEC/EN 60947, UL508 and CSA standards.
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: 6 kV
- Terminal tightening torque: 2 to 2.5 Nm
- Ith (IEC): 10 A
- Operating temperature: -25 to 60 °C
- Storage temperature: -50 to 70 °C
- Max altitude: 3000 m
- Weight: 160 g
What’s Included
- Lovato RFN380063 thermal overload relay
- Installation and operation leaflet
- Manufacturer datasheet (downloadable)
Applications
- Motor starters using BF09–BF38 contactors
- Protection of small three-phase induction motors
- Pumps, fans and compressors in industrial plants
- Conveyor and material handling drives
- General-purpose motor circuits in control panels
Frequently Asked Questions
What current range does the RFN380063 cover?
It supports an operational current from 0.4 to 0.63 A.
Can the relay be reset automatically?
Yes, it offers manual or automatic reset modes.
Which contactors is it compatible with?
It mounts directly on Lovato BF series BF09 to BF38 contactors.
Is this relay phase-failure sensitive?
No, it is a non phase failure / non single‑phase sensitive relay.
What standards does it comply with?
It conforms to IEC/EN 60947-1 and 60947-4-1, UL508 and CSA C22.2 n° 14.
Safety note: Install and commission only by qualified personnel. De-energise the circuit before work, set the relay within the 0.4–0.63 A range, and follow all applicable standards and torque guidelines.
| Manufacturer Part Number | RFN380063 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85364900 |
| Barcode | 8013975169803 |
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