Why Choose the Lovato 11RFNA92V3 Thermal Overload Relay?
The Lovato 11RFNA92V3 is a three-pole thermal motor protection relay designed for direct mounting on Lovato BG06, BG09 and BG12 mini-contactors. With an adjustable operational current range of 1.4–2.3 A, it provides thermal overload protection for compatible motor control applications.
Part of the Lovato 11RFNA9 motor protection relay range, the 11RFNA92V3 features automatic resetting, phase failure detection, a test button and trip indication. Its compact direct-mounting arrangement makes it suitable for motor starters and industrial control panels built around compatible Lovato BG mini-contactors.
The relay has a 690 V rated operational voltage, 690 V rated insulation voltage and 8 kV rated impulse withstand voltage. Its Class 10A tripping characteristic, IP20 frontal protection and thermal release provide a manufacturer-specified motor protection solution for compatible Lovato contactor assemblies.
Key Advantages
- Adjustable 1.4–2.3 A operational current range for motor overload protection.
- Direct mounting on Lovato BG06, BG09 and BG12 mini-contactors.
- Three-pole thermal motor protection relay.
- Automatic reset functionality.
- Integrated phase failure detection.
- Includes a test button and trip indicator.
- Class 10A tripping characteristic.
- IP20 frontal protection for installation within suitable electrical enclosures.
Key Features
- Lovato 11RFNA9 thermal motor protection relay.
- 1.4–2.3 A adjustable operational current.
- Three-pole configuration.
- Thermal release.
- Automatic reset mode.
- Phase failure detection.
- Class 10A tripping class.
- 690 V rated operational voltage.
- 690 V rated insulation voltage.
- 8 kV rated impulse withstand voltage.
- Operational frequency range of 0–400 Hz.
- IP20 frontal protection.
- M4 screw and washer terminals.
- Operating temperature range of -20 to +55 °C.
- Suitable for operation at altitudes up to 3000 m.
Thermal Overload Protection for Motor Control Systems
Thermal overload relays protect motors by responding to sustained overcurrent conditions that can cause excessive heating. Selecting a relay with an appropriate adjustable current range allows the protection setting to be matched to the operating requirements of the connected motor.
The Lovato 11RFNA92V3 combines a 1.4–2.3 A adjustable current range with Class 10A tripping, automatic resetting and phase failure detection. Direct mounting on compatible BG06, BG09 and BG12 mini-contactors enables compact motor starter assemblies for industrial machinery and electrical control panels.
Typical Applications
- Thermal overload protection for compatible electric motors.
- Motor starters using Lovato BG06, BG09 or BG12 mini-contactors.
- Industrial machinery control panels.
- Compact motor control assemblies.
- OEM automation and machine-building equipment.
- Industrial motor switching and protection systems.
