Lovato 11RFN915 three-pole thermal motor protection relay with a 9–15 A adjustable overload range, manual reset and direct mounting for BG06, BG09 and BG12 mini-contactors.
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Why Choose the Lovato 11RFN915 Thermal Overload Relay?
The Lovato 11RFN915 is a compact and reliable thermal motor protection relay designed to provide overload protection for three-phase motors in industrial control and automation applications. As part of the Lovato RFN9 series motor protection relays, it is engineered for dependable motor protection with phase failure and single-phase sensitive protection, while providing direct integration with compatible Lovato BG series mini-contactors.
This relay provides accurate thermal overload protection while helping safeguard motors against excessive current conditions. Its manual reset operation, integrated test button and trip indicator make it suitable for industrial motor starters, machine builders, OEM equipment and electrical control panels.
With an adjustable operational current range of 9–15 A and a three-pole three-phase configuration, the 11RFN915 is suitable for protecting industrial motors in a wide range of applications. The relay is designed for direct mounting on Lovato BG06, BG09 and BG12 mini-contactors for compact motor starter assemblies.
Key Advantages
Compact thermal overload relay for three-phase motor protection.
9–15 A adjustable operational current range for flexible motor protection.
Three-pole three-phase design for industrial motor circuits.
Integrated phase failure and single-phase sensitive protection.
Manual reset operation for controlled fault recovery.
Direct mounting compatibility with Lovato BG06, BG09 and BG12 mini-contactors.
Key Features
Lovato RFN9 series motor protection relay.
9–15 A adjustable thermal overload range.
Three-pole three-phase construction.
Class 10A tripping characteristic.
Integrated phase failure and single-phase sensitive protection.
Manual resetting function.
1 NO + 1 NC auxiliary contacts.
IP20 frontal protection rating.
Direct mounting on compatible Lovato BG series mini-contactors.
Reliable Motor Protection for Industrial Applications
Thermal overload relays such as the Lovato 11RFN915 monitor motor current and disconnect the control circuit when overload conditions occur. This helps prevent motor overheating, reduce equipment downtime and improve the reliability of industrial electrical systems.
The RFN9 series is designed for use with Lovato contactors and motor starters, providing a compact solution for machine builders, panel manufacturers and automation engineers requiring dependable motor protection with simple installation.
Typical Applications
Industrial motor starters.
Machine control panels.
Pumps, fans and ventilation equipment.
Conveyors and material handling systems.
Production and processing machinery.
OEM automation systems and machine building.
Technical Specifications
Manufacturer
Lovato Electric
Series
RFN9
Model
11RFN915
Product type
Thermal motor protection relay
Number of poles
3
Operational current range
9–15 A
Type of release
Thermal
Reset mode
Manual
Phase failure detection
Yes
Single-phase sensitive
Yes
Tripping class
10A
Rated insulation voltage
690 V
Rated impulse withstand voltage
8 kV
Rated operational voltage
690 V
Operational frequency
0–400 Hz
Auxiliary contacts
1 NO + 1 NC
Protection rating
IP20
Test button
Yes
Trip indicator
Yes
Mounting type
Direct mounting on BG06, BG09 and BG12 mini-contactors
Weight
approx. 118 g
Frequently Asked Questions
What is the Lovato 11RFN915 used for?
The Lovato 11RFN915 is a thermal overload relay used to protect three-phase motors against overload conditions, phase failure and single-phase operation in industrial applications.
What current range does the Lovato 11RFN915 support?
The relay supports an adjustable operational current range of 9–15 A.
How is the Lovato 11RFN915 reset?
The 11RFN915 uses a manual reset function to allow controlled recovery after an overload trip.
Which contactors can the Lovato 11RFN915 be mounted with?
The relay is designed for direct mounting on compatible Lovato BG06, BG09 and BG12 mini-contactors.
What protection features are included?
The relay includes thermal overload protection with phase failure and single-phase sensitive detection for reliable three-phase motor protection.
Trusted by Industrial Automation Professionals
Lovato RFN9 series motor protection relays are used by electrical engineers and machine builders to provide reliable overload protection and efficient motor control solutions in industrial applications.
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Manufacturer
Lovato Electric
Series
RFN9
Model
11RFN915
Product type
Thermal motor protection relay
Number of poles
3
Operational current range
9–15 A
Type of release
Thermal
Reset mode
Manual
Phase failure detection
Yes
Single-phase sensitive
Yes
Tripping class
10A
Rated insulation voltage
690 V
Rated impulse withstand voltage
8 kV
Rated operational voltage
690 V
Operational frequency
0–400 Hz
Auxiliary contacts
1 NO + 1 NC
Protection rating
IP20
Test button
Yes
Trip indicator
Yes
Mounting type
Direct mounting on BG06, BG09 and BG12 mini-contactors
Weight
approx. 118 g
No documents available for this product.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...