Why Choose the Lovato 11RFNA915 Thermal Overload Relay?
The Lovato 11RFNA915 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 9–15 A, it provides thermal overload protection for compatible three-phase motor control applications.
Part of the Lovato RFNA9 motor protection relay range, the 11RFNA915 is a non-phase-failure/non-single-phase-sensitive version with automatic resetting. Its compact direct-mounting arrangement makes it particularly suitable for motor starters and control panels built around Lovato BG mini-contactors.
The relay provides a 690 V maximum rated operational voltage, Class 10A tripping and 1 NO + 1 NC auxiliary contacts. IP20 frontal protection and screw-connected main circuit terminals support straightforward integration into suitable industrial electrical enclosures.
Key Advantages
- Adjustable 9–15 A current range for thermal motor overload protection.
- Direct mounting on Lovato BG06, BG09 and BG12 mini-contactors.
- Three-pole configuration for three-phase motor applications.
- Automatic reset functionality.
- Class 10A tripping characteristic.
- Includes 1 NO + 1 NC auxiliary contacts.
- 690 V maximum rated operational voltage.
- IP20 frontal protection for installation within suitable control equipment.
Key Features
- Lovato RFNA9 thermal overload relay.
- 9–15 A adjustable operational current.
- Three-pole, three-phase configuration.
- Non-phase-failure/non-single-phase-sensitive design.
- Automatic resetting.
- Class 10A tripping class.
- 1 normally open + 1 normally closed auxiliary contact.
- 690 V maximum rated operational voltage.
- IP20 frontal protection.
- Screw connection for the main circuit.
- Direct mounting on compatible BG series mini-contactors.
Thermal Overload Protection for Three-Phase Motors
Thermal overload relays are used in motor control circuits to respond to sustained overcurrent conditions that can cause excessive motor heating. Selecting an overload relay with an adjustment range appropriate for the motor enables the protection setting to be matched to the application.
The Lovato 11RFNA915 combines a 9–15 A adjustable current range with Class 10A tripping and automatic resetting. Its direct compatibility with BG06, BG09 and BG12 mini-contactors enables compact motor starter assemblies for industrial machinery, automation equipment and electrical control panels.
Typical Applications
- Three-phase motor thermal overload protection.
- 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 requiring automatic reset.
