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11RFA91V5 – T/O RELAY RFA9 0.9-1.5A
Lovato 11RFA91V5 is a three-pole thermal motor protection relay with a 0.9–1.5 A adjustable current range, automatic reset and phase failure sensitivity for direct mounting on BG06, BG09 and BG12 mini-contactors.
£44.40
Why Choose the Lovato 11RFA91V5 Thermal Overload Relay?
The Lovato 11RFA91V5 is a compact thermal motor protection relay designed to protect three-phase motors against overload and phase failure conditions. As part of the Lovato 11RFA9 series, it provides phase failure and single-phase sensitivity with automatic resetting for dependable motor protection in industrial control applications.
Designed for direct mounting on Lovato BG06, BG09 and BG12 mini-contactors, the 11RFA91V5 enables compact motor starter assemblies while providing dedicated overload protection. Its Class 10A tripping characteristic, test button and trip indicator support straightforward commissioning, testing and fault identification.
With an adjustable operational current range of 0.9–1.5 A and a maximum rated operational voltage of 690 V, the 11RFA91V5 is suitable for low-current three-phase motor circuits. Its IP20 frontal protection and automatic reset functionality make it well suited to industrial machinery, automation equipment and electrical control panels.
Key Advantages
- Reliable thermal overload protection for three-phase motors.
- 0.9–1.5 A adjustable current range for accurate motor protection settings.
- Phase failure and single-phase sensitive protection.
- Automatic reset reduces the need for manual resetting after a trip.
- Direct mounting on Lovato BG06, BG09 and BG12 mini-contactors.
- Integrated test button and trip indicator support straightforward testing and fault identification.
Key Features
- Lovato 11RFA9 thermal overload relay series.
- 0.9–1.5 A adjustable operational current range.
- Three-pole thermal overload relay.
- Phase failure and single-phase sensitive operation.
- Automatic reset functionality.
- Class 10A tripping characteristic.
- Integrated test button and trip indicator.
- 1 NO + 1 NC auxiliary contacts.
- Direct mounting on BG06, BG09 and BG12 mini-contactors.
Reliable Motor Protection for Industrial Machinery
Thermal overload relays such as the Lovato 11RFA91V5 protect electric motors by responding to sustained overcurrent conditions that can cause excessive heating and equipment damage. Phase failure sensitivity provides additional protection against abnormal supply conditions in three-phase motor circuits, helping protect motors and machinery from damaging operating conditions.
The 11RFA91V5 integrates directly with compatible Lovato BG mini-contactors to create a compact motor starter assembly. Its automatic reset function, Class 10A tripping characteristic, test button, trip indicator and auxiliary contacts make it suitable for industrial machinery and automation systems requiring dependable motor overload protection.
Typical Applications
- Low-current three-phase motor protection.
- Industrial machinery and automation equipment.
- Compact motor starter assemblies.
- Pumps, fans and conveyor systems.
- Electrical control panels.
- OEM machinery using Lovato BG mini-contactors.
Technical Specifications
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| Current Range | 0.9–1.5 A | |
|---|---|---|
| Device Type | Thermal Overload Relay | |
| Compatible With | BG06–BG12 | |
| Reset Type | Automatic | |
| Monitoring Function | Temperature / thermistor | |
| Monitored Supply | Single-phase | |
| Contacts | 1NO + 1NC | |
| IP Rating | IP20 | |
| Manufacturer | Lovato Electric | |
| Series | 11RFA9 | |
| Model | 11RFA91V5 | |
| Product type | Thermal motor protection relay | |
| Number of poles | 3 | |
| Operational current range | 0.9–1.5 A | |
| Maximum rated operational voltage Ue | 690 V | |
| Rated insulation voltage Ui | 690 V | |
| Rated impulse withstand voltage Uimp | 8 kV | |
| Conventional free-air thermal current Ith | 10 A | |
| Tripping class | 10A | |
| Reset method | Automatic | |
| Phase failure sensitivity | Yes | |
| Auxiliary contacts | 1 NO + 1 NC | |
| Protection rating | IP20 frontal | |
| Main circuit connection | Screw terminals | |
| Overvoltage category | III | |
| Pollution degree | 3 | |
| Operating temperature | -20 to 55 °C | |
| Storage temperature | -55 to 70 °C | |
| Maximum altitude | 3000 m | |
| Mounting type | Direct mounting on BG06, BG09 and BG12 mini-contactors | |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1, UL508 and CSA C22.2 No. 14 |
Frequently Asked Questions
What is the Lovato 11RFA91V5 used for?
The Lovato 11RFA91V5 is a thermal overload relay designed to protect three-phase motors against overload and phase failure conditions.
What current range does the Lovato 11RFA91V5 support?
The relay has an adjustable operational current range of 0.9–1.5 A.
Does the Lovato 11RFA91V5 reset automatically?
Yes. The 11RFA91V5 features an automatic reset function.
Which contactors can the Lovato 11RFA91V5 be mounted on?
The relay is designed for direct mounting on Lovato BG06, BG09 and BG12 mini-contactors.
Does the Lovato 11RFA91V5 provide phase failure protection?
Yes. The 11RFA91V5 is phase failure and single-phase sensitive, providing additional protection for three-phase motor circuits.
Trusted Motor Protection from Lovato Electric
Lovato Electric 11RFA9 thermal motor protection relays provide compact overload and phase failure protection for compatible BG mini-contactor motor starter assemblies in industrial control applications.
