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RFE110110 Lovato RFE overload relay 22-110A dol 11-55kw star/delta at 22-110kw
MPN: RFE110110
Why Choose the RFE110110?
Designed for dependable motor protection, the Lovato RFE110110 electronic thermal overload relay safeguards three-phase circuits with phase failure/single-phase sensitivity. Covering 22...110 A operational current, this three-pole device offers manual or automatic resetting and independent mounting for flexible integration. With IP20 frontal protection and robust insulation and impulse ratings, SKU RFE110110 delivers reliable trip performance across harsh industrial environments while maintaining straightforward installation and serviceability.
Built to international standards, this electronic thermal overload relay features Ui 1000 V and Uimp 6 kV for enhanced dielectric resilience, plus a wide operating temperature of -25 to 70 °C up to 3000 m altitude. Its Pollution Degree 3 design and 3-pole architecture suit control panels and machinery across sectors, delivering precise overload response to protect pumps, fans, compressors and conveyors while supporting consistent operation.
Key Benefits
- Wide operational current range from 22 to 110 A
- Phase failure and single-phase sensitivity protects three-phase motors
- Manual or automatic reset options enhance service flexibility
- Three-pole design suits common three-phase installations
- IP20 frontal protection aids safer panel integration
- Independent mounting for simple, versatile installation
- High insulation 1000 V and 6 kV impulse withstand
- Operates from -25 to 70 °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): 1000 V
- Rated impulse withstand voltage Uimp: 6 kV
- Terminal tightening torque: 9 to 9 Nm
- Ith (IEC): 10 A
- Operating temperature: -25 to 70 °C
- Storage temperature: -55 to 80 °C
- Max altitude: 3000 m
- Weight: 195 g
What’s Included
- Lovato RFE110110 electronic thermal overload relay
- Installation and safety information
Applications
- Three-phase motor protection with phase failure sensitivity
- Industrial control panels requiring electronic overload protection
- Pumps, fans and compressors in processing and utilities
- HVAC and building services with three-phase equipment
- Conveyors and material handling machinery
Frequently Asked Questions
What is the operational current range of the RFE110110?
The relay covers 22...110 A operational current for appropriate applications.
Does this overload relay support manual and automatic resetting?
Yes, it supports manual or automatic reset modes to suit your control scheme.
Is it suitable for three-phase systems?
Yes, it is a three-pole (three-phase) device and is phase failure/single-phase sensitive.
What environmental and protection ratings does it offer?
It has IP20 frontal protection, operates from -25 to 70 °C, and is rated for altitudes up to 3000 m.
Which standards does the relay comply with?
It conforms to IEC/EN 60947-1 and IEC/EN 60947-4-1, UL 60947-1 and UL 60947-4-1, and CSA C22.2 n° 60947-1 and CSA C22.2 n° 60947-4-1.
Safety note: Install and commission only by qualified personnel; isolate power before work and operate within specified current, voltage, temperature and altitude limits for safe use.
| Manufacturer Part Number | RFE110110 |
|---|---|
| KW Rating | 11kW,15kW |
| Amp Range | 22A - 110A |
| Manufacturer | Lovato |
| Barcode | 8013975230275 |
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