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11RFN91 – T/O RELAY RFN9 0.6-1A
Lovato 11RFN91 three-pole thermal motor protection relay with a 0.6–1 A adjustable operational current range, manual reset and direct mounting for BG06, BG09 and BG12 mini-contactors.
£41.60
Why Choose the Lovato 11RFN91 Thermal Overload Relay?
The Lovato 11RFN91 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 11RFN9 series motor protection relays, it is specifically designed for use with compatible Lovato BG series mini-contactors.
This relay provides dependable thermal overload protection while helping safeguard motors against excessive current conditions. Its manual reset operation, integrated test button and trip indicator simplify motor protection and fault management, making it suitable for machine builders, panel manufacturers and industrial automation systems.
With an adjustable operational current range of 0.6–1 A and a three-pole three-phase configuration, the 11RFN91 is designed for protecting small industrial motors. The relay mounts directly onto Lovato BG06, BG09 and BG12 mini-contactors, enabling a compact motor starter assembly.
Key Advantages
- Compact thermal overload relay designed for motor protection applications.
- 0.6–1 A adjustable operational current range for small motor protection.
- Three-pole three-phase design for industrial motor circuits.
- Manual reset operation for controlled recovery following an overload trip.
- Direct mounting compatibility with Lovato BG06, BG09 and BG12 mini-contactors.
- Integrated test button and trip indicator assist commissioning and fault identification.
Key Features
- Lovato 11RFN9 series motor protection relay.
- 0.6–1 A adjustable operational current range.
- Three-pole three-phase construction.
- Thermal release with tripping class 10A.
- Manual resetting function.
- 1 NO + 1 NC auxiliary contacts.
- IP20 frontal protection rating.
- Direct mounting on compatible Lovato BG06, BG09 and BG12 mini-contactors.
Reliable Motor Protection for Industrial Applications
Thermal overload relays such as the Lovato 11RFN91 monitor motor current and trip when sustained overload conditions exceed the selected setting. This helps protect motors against damaging overcurrent conditions while improving the reliability and service life of industrial motor control systems.
The 11RFN91 is designed to integrate directly with compatible Lovato BG mini-contactors, providing a compact solution for motor starters and electrical control panels. Its manual reset, test button, trip indication and auxiliary contacts support straightforward operation and integration into industrial control circuits.
Typical Applications
- Industrial motor starters.
- Machine control panels.
- Small pumps, fans and motor-driven equipment.
- Production and processing machinery.
- OEM automation systems and machine building.
- Industrial electrical control and motor protection systems.
Technical Specifications
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| Current Range | 0.6–1 A | |
|---|---|---|
| Compatible With | BG06–BG12 | |
| Device Type | Thermal Overload Relay | |
| Load Voltage | 690 V | |
| Monitored Supply | Single-phase | |
| Reset Type | Manual | |
| Monitoring Function | Temperature / thermistor | |
| Contacts | 1NO + 1NC | |
| IP Rating | IP20 | |
| Manufacturer | Lovato Electric | |
| Series | 11RFN9 | |
| Model | 11RFN91 | |
| Product type | Thermal motor protection relay | |
| Number of poles | 3 | |
| Operational current range | 0.6–1 A | |
| Type of release | Thermal | |
| Reset mode | Manual | |
| 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 frontal | |
| Test button | Yes | |
| Trip indicator | Yes | |
| Operating temperature | -20 to +55 °C | |
| Maximum altitude | 3000 m | |
| Mounting type | Direct mounting on BG06, BG09 and BG12 mini-contactors | |
| Weight | approx. 114 g |
Frequently Asked Questions
What is the Lovato 11RFN91 used for?
The Lovato 11RFN91 is a thermal overload relay designed to protect three-phase motors against sustained overload conditions in industrial motor control applications.
What current range does the Lovato 11RFN91 support?
The relay has an adjustable operational current range of 0.6–1 A.
How is the Lovato 11RFN91 reset?
The 11RFN91 uses a manual reset, allowing the relay to be deliberately reset following an overload trip.
Which contactors can the Lovato 11RFN91 be mounted with?
The relay is designed for direct mounting on Lovato BG06, BG09 and BG12 mini-contactors.
What auxiliary contacts does the Lovato 11RFN91 include?
The 11RFN91 incorporates one normally open and one normally closed auxiliary contact for integration with motor control circuits.
Trusted by Industrial Automation Professionals
Lovato motor protection relays provide machine builders, panel manufacturers and automation engineers with compact and dependable solutions for protecting motors in industrial control applications.
