Why Choose the Lovato 11RF975 RF9 Thermal Motor Protection Relay?
The Lovato 11RF975 is a reliable three-phase thermal overload motor protection relay designed to protect electric motors against overload conditions and phase failure in industrial automation and motor control applications. As part of the dependable Lovato RF9 motor protection relay series, it provides accurate thermal protection, manual reset functionality and direct integration with compatible BG series mini contactors.
This motor protection relay features phase failure and single-phase sensitivity, helping prevent motor damage caused by excessive current, abnormal operating conditions or loss of a supply phase. Its compact design allows direct mounting onto Lovato BG06, BG09 and BG12 mini-contactors, simplifying motor starter assembly and control panel installation.
With an adjustable operating current range of 4.5–7.5 A, the Lovato 11RF975 is suitable for protecting small to medium three-phase motors in industrial machinery, pumps, fans and automation equipment where reliable overload protection is required.
Key Advantages
- Reliable RF9 thermal overload relay for industrial motor protection.
- Adjustable 4.5–7.5 A operating current range for accurate motor protection.
- Phase failure and single-phase sensitivity for enhanced motor safety.
- Manual reset function for controlled fault recovery.
- Direct mounting on Lovato BG06, BG09 and BG12 mini-contactors.
- Compact design for efficient motor starter assemblies.
Key Features
- Lovato RF9 motor protection relay series.
- Three-pole thermal overload relay.
- 4.5–7.5 A adjustable operating current.
- Class 10A thermal tripping characteristic.
- Phase failure detection.
- Manual reset operation.
- 1 normally open and 1 normally closed auxiliary contact.
- Direct mounting design for Lovato BG series mini-contactors.
Reliable Motor Protection for Industrial Systems
Thermal overload relays such as the Lovato 11RF975 protect motors by monitoring operating current and disconnecting the control circuit when overload conditions occur. This helps reduce overheating risks and improves the service life of motors and connected equipment.
The Lovato RF9 series is designed for compact motor starter solutions, combining dependable overload protection, phase monitoring and straightforward installation with compatible BG series contactors. Its direct mounting design makes it ideal for space-efficient industrial control panels.
Typical Applications
- Three-phase motor starters.
- Industrial automation equipment.
- Machine control panels.
- Pumps and fan systems.
- Manufacturing machinery.
- Motor control assemblies using Lovato BG contactors.
