Why Choose the Lovato 11RFA9033 Thermal Overload Relay?
The Lovato 11RFA9033 is a compact and reliable thermal motor protection relay designed to protect three-phase motors against overload and phase failure conditions. As part of the Lovato 11RFA9 motor protection relay series, it combines thermal overload protection with phase failure sensitivity and automatic resetting for dependable motor protection in industrial control applications.
Designed for direct mounting on Lovato BG06, BG09 and BG12 mini-contactors, the 11RFA9033 enables a compact motor starter assembly without requiring separate relay mounting. Its Class 10A tripping characteristic, integrated test button and auxiliary contacts provide practical protection and straightforward integration into industrial motor control circuits.
With an adjustable operational current range of 0.2–0.33 A and a rated operational voltage of 690 V, the 11RFA9033 is suitable for protecting small three-phase motors. Its IP20 frontal protection, automatic reset and phase failure sensitivity make it well suited to machinery, automation equipment and electrical control panels.
Key Advantages
- Reliable thermal overload protection for three-phase motors.
- 0.2–0.33 A adjustable operational current range for small motor applications.
- Integrated phase failure sensitivity for enhanced motor protection.
- Automatic reset supports convenient system operation.
- Direct mounting on Lovato BG06, BG09 and BG12 mini-contactors.
- Integrated test button allows straightforward functional testing.
Key Features
- Lovato 11RFA9 motor protection relay series.
- 0.2–0.33 A operational current range.
- Three-pole thermal motor protection relay.
- Phase failure sensitive operation.
- Automatic reset mode.
- Class 10A tripping characteristic.
- Integrated test button.
- One normally open and one normally closed auxiliary contact.
- Direct mounting on BG06, BG09 and BG12 mini-contactors.
Reliable Motor Protection for Industrial Machinery
Thermal overload relays such as the Lovato 11RFA9033 protect electric motors by responding to sustained overcurrent conditions that can lead to excessive heating and equipment damage. Its phase failure sensitivity provides additional protection where a phase is lost in a three-phase motor circuit, helping protect machinery from abnormal operating conditions.
The 11RFA9033 is designed to integrate directly with compatible Lovato BG mini-contactors, creating a compact motor starter assembly. Its automatic reset function, Class 10A tripping characteristic and integrated test button make it well suited to industrial machinery, automation equipment and control-panel applications requiring dependable motor protection.
Typical Applications
- Small three-phase motor protection.
- Industrial machinery and automation equipment.
- Compact motor starter assemblies.
- Pumps, fans and small conveyor systems.
- Electrical control panels.
- OEM machinery using Lovato BG mini-contactors.
