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RFE110110 Lovato RFE overload relay 22-110A dol 11-55kw star/delta at 22-110kw
Lovato RFE110110 electronic thermal overload relay, a 22-110 A motor protection relay designed for industrial motor control and protection applications.
Why Choose the Lovato RFE110110 Electronic Thermal Overload Relay?
The Lovato RFE110110 is an advanced electronic thermal overload relay designed to provide accurate motor protection against overload conditions and phase failure in industrial motor control applications. As part of the reliable Lovato RFE series, this electronic motor protection relay delivers improved adjustment flexibility, multiple trip class settings and dependable protection for demanding automation systems.
This electronic overload relay is designed for independent mounting and provides precise monitoring of three-phase motors. The RFE110110 detects overload conditions and phase loss, helping prevent motor damage caused by excessive current while improving equipment reliability and operational safety.
With an adjustable operating current range of 22–110 A, a three-pole configuration and selectable trip classes of 5, 10, 20 and 30, the RFE110110 is suitable for industrial motor protection systems requiring flexible and accurate overload management.
Key Advantages
- Advanced electronic thermal overload relay for industrial motor protection.
- 22–110 A adjustable operating current range for flexible motor protection.
- Phase failure detection helps protect motors against single-phase operation.
- Selectable trip classes 5, 10, 20 and 30 for application-specific protection.
- Manual or automatic reset operation for installation flexibility.
- Independent mounting design for versatile control panel installation.
Key Features
- Lovato RFE110 electronic overload relay series.
- 22–110 A adjustable current setting.
- Three-pole three-phase motor protection.
- Electronic thermal release technology.
- Phase failure and single-phase sensitivity.
- Manual or automatic reset selection.
- Selectable trip classes 5, 10, 20 and 30.
- Integrated test button and trip indicator.
Reliable Electronic Motor Protection for Industrial Systems
Electronic overload relays such as the Lovato RFE110110 provide accurate motor protection by continuously monitoring current conditions and disconnecting the motor circuit when overload situations occur. This helps prevent overheating, reduces downtime and extends the service life of industrial equipment.
The RFE series is designed for modern industrial automation applications where precise protection settings and flexible installation are required. Its adjustable trip classes, phase failure sensitivity and electronic monitoring capabilities provide dependable protection for demanding motor control systems.
Typical Applications
- Industrial motor starters.
- Pumps and water handling systems.
- Fans and ventilation equipment.
- Conveyor and material handling systems.
- Production machinery.
- OEM control panels and automation systems.
Technical Specifications
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| Device Type | Electronic Overload Relay | |
|---|---|---|
| Mounting Type | Separate (panel / DIN rail) | |
| Current Range | 22–110 A | |
| Trip Class | Adjustable (5–30) | |
| Reset Type | Manual / Automatic | |
| Poles | 3-pole | |
| Manufacturer | Lovato Electric | |
| Series | RFE110 | |
| Model | RFE110110 | |
| Product type | Electronic thermal overload relay | |
| Number of poles | 3 | |
| Operational current range | 22–110 A | |
| Release type | Electronic thermal | |
| Trip class | 5 / 10 / 20 / 30 | |
| Phase failure detection | Yes | |
| Reset mode | Manual or automatic | |
| Rated insulation voltage | 1000 V | |
| Rated operational voltage | 690 V | |
| Rated impulse withstand voltage | 6 kV | |
| Protection rating | IP20 | |
| Mounting type | Independent mounting | |
| Auxiliary contacts | 1 NO + 1 NC | |
| Terminal type | Yoke clamp | |
| Operating temperature | -25 to 70 °C | |
| Weight | approx. 700 g |
Frequently Asked Questions
What is the Lovato RFE110110 used for?
The RFE110110 is an electronic thermal overload relay used to protect three-phase motors against overload conditions and phase failure.
What current range does the RFE110110 support?
The relay supports an adjustable operating current range of 22–110 A.
What trip classes are available?
The RFE110110 provides selectable trip classes of 5, 10, 20 and 30 for different motor protection requirements.
Can the RFE110110 reset automatically?
Yes, the relay supports both manual and automatic reset modes.
How is the RFE110110 installed?
The RFE110110 uses an independent mounting design for installation in industrial control panels.
Trusted by Industrial Automation Engineers Worldwide
Lovato RFE electronic overload relays provide accurate motor protection, flexible adjustment and reliable operation for modern industrial automation systems.
