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RFN382500 - T/O RELAY 20-25A MAN/AUTO
MPN: RFN382500
Special Price
£51.60
£43.00
Regular Price
£85.99
Why Choose the RFN382500?
Designed for motor protection, the Lovato RFN382500 thermal overload relay suits three‑phase applications in the 20…25 A range. This non phase‑failure/non single‑phase sensitive device provides manual or automatic resetting and three‑pole operation. It mounts directly on BF09–BF38 contactors for use in motor starters. Rated insulation voltage is 690 V, with 6 kV impulse withstand.
Engineered to operate from -25 to 60 °C and up to 3000 m altitude, the RFN382500 features IP20 frontal protection and Pollution Degree 3 suitability. Terminal tightening torque is 2 to 2.5 Nm, and Ith (IEC) is 10 A. Weight is 160 g. It meets IEC/EN 60947-1 and 60947-4-1, UL508 and CSA C22.2 n° 14. Choose manual or automatic reset as required.
Key Benefits
- Three-pole design for three-phase motor protection applications.
- 20…25 A operational range for appropriate overload settings.
- Manual or automatic reset modes to suit control requirements.
- Direct mounting on BF09–BF38 contactors.
- Rated insulation 690 V and 6 kV impulse withstand.
- IP20 frontal degree and Pollution Degree 3 suitability.
- Operates from -25 to 60 °C; up to 3000 m altitude.
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 RFN382500 thermal overload relay
- Installation and operation leaflet
Applications
- Protecting three-phase motors within the 20…25 A range
- Direct-mounted overload protection with BF09–BF38 contactors
- Motor starter assemblies built to IEC/EN 60947 standards
- Control panels requiring manual or automatic reset functionality
Frequently Asked Questions
What current range can the RFN382500 protect?
It is suitable for an operational current range of 20...25 A.
Does this relay support automatic reset?
Yes, it offers both manual and automatic reset modes.
Which contactors can it mount to directly?
It mounts directly on BF09–BF38 contactors in the BF series.
Is the relay phase-failure sensitive?
No. It is a non phase failure / non single-phase sensitive type.
What environmental and protection ratings apply?
Operating temperature is -25 to 60 °C, IP20 frontal degree, and max altitude is 3000 m.
Safety note: Install and commission by qualified personnel only. Set within the specified 20...25 A range, observe Ui/Uimp and IP20 limits, tighten terminals to 2–2.5 Nm, and follow relevant standards.
| Manufacturer Part Number | RFN382500 |
|---|---|
| Manufacturer | Lovato |
| Barcode | 8013975169704 |
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